Features * Industry-standard architecture * * * * * * * * * - Emulates Many 20-pin PALs(R) - Low-cost, easy to use software tools High speed electrically-erasable programmable logic devices (EE PLD) - 5ns maximum pin-to-pin delay Low power, 100A pin controlled power-down mode option CMOS and TTL compatible inputs and outputs - I/O pin keeper circuits Advanced flash technology - Reprogrammable - 100% tested High reliability CMOS process - 20 year data retention - 100 erase/write cycles - 2,000V ESD protection - 200mA latchup immunity Commercial and industrial temperature ranges Dual-in-line and surface mount packages in standard pinouts PCI compliant Green (ROHS compliant) package options available High Performance Electrically-erasable Programmable Logic Devices Atmel ATF16V8C Description The Atmel(R) ATF16V8C is a high performance EECMOS programmable logic device (PLD) that utilizes the Atmel proven electrically-erasable (EE) Flash memory technology. Offered options include speeds down to 5ns and a 100A pin-controlled power-down mode. All speed ranges are specified over the full 5V 10% range for industrial temperature ranges, and 5V 5% for commercial range 5V devices. The ATF16V8C incorporates a superset of the generic architectures, which allows direct replacement of the 16R8 family and most 20-pin combinatorial PLDs. Eight outputs are each allocated eight product terms. Three different modes of operation are configured automatically with software, and allow highly complex logic functions to be realized. The ATF16V8C can significantly reduce total system power, thereby enhancing system reliability and reducing power supply costs. When pin 4 is configured as the power-down control pin, supply current drops to less than 100A whenever the pin is high. If the powerdown feature isn't required for a particular application, pin 4 may be used as a logic input. Also, the pin-keeper circuits eliminate the need for internal pull-up resistors along with their attendant power consumption. 0425H-PLD-3/11 Figure 0-1. 1. Includes optional PD control pin Pin configurations Function CLK Clock I Logic inputs I/O Bidirectinoal buffers OE Output enable VCC +5V supply PD Power-down I/CLK I1 I2 PD/I3 I4 I5 I6 I7 I8 GND 2 1 2 3 4 5 6 7 8 9 10 DIP/SOIC Top view 20 19 18 17 16 15 14 13 12 11 VCC I/O I/O I/O I/O I/O I/O I/O I/O I9/OE I/CLK I1 I2 PD/I3 I4 I5 I6 I7 I8 GND 1 2 3 4 5 6 7 8 9 10 PLCC Top view 20 19 18 17 16 15 14 13 12 11 VCC I/O I/O I/O I/O I/O I/O I/O I/O I9/OE I2 I1 I/CLK VCC I/O TSSOP Top view PD/I3 I4 I5 I6 I7 4 5 6 7 8 3 2 1 20 19 Pin name 18 17 16 15 14 9 10 11 12 13 Figure 0-2. I/O I/O I/O I/O I/O I8 GND I9/OE I/O I/O Note: Block diagram Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 1. Absolute maximum ratings* *NOTICE: Temperature under bias . . . . . . . . . . . . . . . . . . . . . . . . -40C to +85C Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . .-65C to +150C Voltage on any pin with respect to ground . . . . . -2.0V to +7.0V(1) Voltage on input pins with respect to ground during programming . . . . . . . . . . . . . . . . . . . . . . . . -2.0V to +14.0V(1) Note: Programming voltage with respect to ground . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V to +14.0V(1) 2. Stresses beyond those listed under "Absolute maximum ratings" may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 1. Minimum voltage is -0.6V DC, which may undershoot to -2.0V for pulses of less than 20ns. Maximum output pin voltage is VCC + 0.75V DC, which may overshoot to 7.0V for pulses of less than 20ns. DC and AC characteristics Table 2-1. DC and AC operating conditions Commercial Industrial 0C - 70C -40C - 85C 5V 5% 5V 10% Operating temperature (Ambient) VCC power supply Table 2-2. DC characteristics Symbol Parameter Condition IIL Input or I/O low leakage current IIH Max Units 0 VIN VIL (Max) -10.0 A Input or I/O high leakage current 3.5 VIN VCC 10.0 A ICC1(1) 15MHz, VCC = Max, VIN = 0, VCC, outputs open Com. 115 mA Power supply current, standby Ind. 130 mA IPD Power supply current, Power-down mode VCC = Max, VIN = 0, VCC IOS Output short circuit current VOUT = 0.5V; VCC = 5V; TA = 25C VIL Input low voltage Min < VCC < Max VIH Input high voltage VOL Output low voltage VCC = Min; All outputs IOL = 24mA VOH Output high voltage VCC = Min IOL = -4.0mA IOL Output low current VCC = Min IOH Note: Output high current VCC = Min Min Typ Com. 10 100 A Ind. 10 105 A -150 mA -0.5 0.8 V 2.0 VCC + 1 V 0.5 V Com., Ind. 2.4 V Com. 24.0 mA Ind. 12.0 mA Com., Ind. -4.0 mA 1. All ICC parameters measured with outputs open 3 0425H-PLD-3/11 Figure 3. Note: AC waveforms 1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified. Table 3-1. AC characteristics -5 -10 Symbol Parameter tPD Input or feedback to non-registered output tCF Clock to feedback tCO Clock to output 1 tS Input or feedback setup time 3 5 7.5 ns tH Input hold time 0 0 0 ns tP Clock period 6 8 12 ns tW Clock width 3 4 6 ns fMAX 4 -7 Min Max Min Max Min Max Units 1 5 3 7.5 3 10 ns 6 ns 7 ns 3 4 3 2 5 2 External feedback 1/(tS + tCO) 142 100 68 MHz Internal feedback 1/(tS + tCF) 166 125 74 MHz No feedback 1/(tP) 166 125 83 MHz tEA Input to output enable - product term 2 6 3 9 3 10 ns tER Input to output disable - product term 2 5 2 9 2 10 ns tPZX OE pin to output enable 2 5 2 6 2 10 ns tPXZ OE pin to output disable 1.5 5 1.5 6 1.5 10 ns Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C Table 3-2. Power-down AC characteristics(1)(2)(3) -5 -7 Symbol Parameter Min tIVDH Valid Input before PD High 5.0 7.5 10 ns tGVDH Valid OE before PD High 0 0 0 ns tCVDH Valid Clock before PD High 0 0 0 ns tDHIX Input Don't Care after PD High 5.0 7.5 10 ns tDHGX OE Don't Care after PD High 5.0 7.5 10 ns tDHCX Clock Don't Care after PD High 5.0 7.5 10 ns tDLIV PD Low to Valid Input 5.0 7.5 10 ns tDLGV PD Low to Valid OE 15.0 20.0 25 ns tDLCV PD Low to Valid Clock 15.0 20.0 25 ns tDLOV PD Low to Valid Output 20.0 25.0 30 ns Note: Max Min -10 Max Min Max Units 1. Output data is latched and held 2. HI-Z outputs remain HI-Z 3. Clock and input transitions are ignored 4. Input test waveforms and measurement levels: tR, tF < 1.5ns (10% to 90%) 5. Output test loads 5.0V R1 = 200 OUTPUT PIN R2 = 200 6. CL = 50 pF Pin capacitance Table 6-1. Pin capacitance Typ Max Units CIN 5 8 pF VIN = 0V COUT 6 8 pF VOUT = 0V Note: Conditions 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. 5 0425H-PLD-3/11 7. Power-up reset Registers of the ATF16V8C are designed to reset during power-up. At a point delayed slightly from VCC crossing VRST, all registers will be reset to the low state. As a result, the registered output state will always be high on power-up. This feature is critical for state machine initialization. However, due to the asynchronous nature of reset and the uncertainty of how VCC actually rises in the system, the following conditions are required: 1. 2. 3. 9. The VCC rise must be monotonic, from below 0.7V After reset occurs, all input and feedback setup times must be met before driving the clock term high, and The signals from which the clock is derived must remain stable during tPR Figure 8. Power-up reset Table 8-1. Power-up reset parameters Parameter Description Typ Max Units tPR Power-up Reset Time 600 1,000 ns VRST Power-up Reset Voltage 3.8 4.5 V Power-down mode The ATF16V8C includes an optional pin controlled powerdown feature. Device pin 4 may be configured as the powerdown pin. When this feature is enabled and the power-down pin is high, total current consumption drops to less than 100A. In the power-down mode, all output data and internal logic states are latched and held. All registered and combinatorial output data remains valid. Any outputs that were in a high-Z state at the onset of power-down will remain at high-Z. During power-down, all input signals except the power-down pin are blocked. The input and I/O pin-keeper circuits remain active to insure that pins do not float to indeterminate levels. This helps to further reduce system power. Selection of the power-down option is specified in the ATF16V8C logic design file. The logic compiler will include this option selection in the otherwise standard 16V8 JEDEC fuse file. When the power-down feature is not specified in the design file, pin 4 is available as a logic input, and there is no power-down pin. This allows the ATF16V8C to be programmed using any existing standard 16V8 fuse file. Note: 10. Some programmers list the JEDEC-compatible 16V8C (No PD used) separately from the non-JEDEC compatible 16V8CEXT. (EXT for extended features.) Registered output preload Registers of the ATF16V8C are provided with circuitry to allow loading of each register with either a high or a low. This feature will simplify testing since any state can be forced into the registers to control test sequencing. A JEDEC file with preload is generated when a source file with vectors is compiled. Once downloaded, the JEDEC file preload sequence will be done automatically by approved programmers. 6 Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 11. Security fuse usage A single fuse is provided to prevent unauthorized copying of the ATF16V8C fuse patterns. Once programmed, fuse verify and preload are inhibited. However, the 64-bit user signature remains accessible. The security fuse will be programmed last, as its effect is immediate. 12. Input and I/O pin-keeper circuits The ATF16V8C contains internal input and I/O pin-keeper circuits. These circuits allow each ATF16V8C pin to hold its previous value even when it is not being driven by an external source or by the device's output buffer. This helps insure that all logic array inputs are at known, valid logic levels. This reduces system power by preventing pins from floating to indeterminate levels. By using pin-keeper circuits rather than pull-up resistors, there is no DC current required to hold the pins in either logic state (high or low). These pin-keeper circuits are implemented as weak feedback inverters, as shown in the Input Diagram below. These keeper circuits can easily be overdriven by standard TTL- or CMOS-compatible drivers. The typical overdrive current required is 40A. Figure 13. Input diagram Figure 14. I/O diagram 7 0425H-PLD-3/11 15. Functional logic diagram description The logic option and functional diagrams describe the ATF16V8C architecture. Eight configurable macrocells can be configured as a registered output, combinatorial I/O, combinatorial output, or dedicated input. The ATF16V8C can be configured in one of three different modes. Each mode makes the ATF16V8C look like a different device. Most PLD compilers can choose the right mode automatically. The user can also force the selection by supplying the compiler with a mode selection. The determining factors would be the usage of register versus combinatorial outputs and dedicated outputs versus outputs with output enable control. The ATF16V8C universal architecture can be programmed to emulate many 20-pin PAL devices. These architectural subsets can be found in each of the configuration modes described in the following pages. The user can download the listed subset device JEDEC programming file to the PLD programmer, and the ATF16V8C can be configured to act like the chosen device. Check with your programmer manufacturer for this capability. Unused product terms are automatically disabled by the compiler to decrease power consumption. A security fuse, when programmed, protects the content of the ATF16V8C. Eight bytes (64 fuses) of user signature are accessible to the user for purposes such as storing project name, part number, revision, or date. The user signature is accessible regardless of the state of the security fuse. Table 15-1. Compiler mode selection Registered ABEL, Atmel-ABEL With PD ENABLE CUPL, Atmel-CUPL With PD ENABLE LOG/iC Complex Simple Auto select P16V8R P16V8C P16V8AS P16V8 P16V8PDR(1) P16V8PDC(1) P16V8PD(1) P16V8PDS(1) G16V8MS G16V8MA G16V8AS G16V8A G16V8CPMS G16V8CPMA G16V8CPAS G16V8CP GAL16V8_R(2) GAL16V8_C7(2) GAL16V8_C8(2) GAL16V8 OrCAD-PLD "Registered" "Complex" "Simple" GAL16V8A PLDesigner P16V8R P16V8C P16V8C P16V8A Synario/Atmel-Synario NA NA NA ATF16V8C ALL With PD ENABLE NA NA NA ATF16V8C (PD) ALL(1) G16V8R G16V8C G16V8AS G16V8 Tango-PLD Note: 1. Please call Atmel PLD Hotline at (408) 436-4333 for more information 2. Only applicable for version 3.4 or lower 16. Macrocell configuration Software compilers support the three different OMC modes as different device types. These device types are listed in the table below. Most compilers have the ability to automatically select the device type, generally based on the register usage and output enable (OE) usage. Register usage on the device forces the software to choose the registered mode. All combinatorial outputs with OE controlled by the product term will force the software to choose the complex mode. The software will choose the simple mode only when all outputs are dedicated combinatorial without OE control. The different device types listed in the table can be used to override the automatic device selection by the software. For further details, refer to the compiler software manuals. When using compiler software to configure the device, the user must pay special attention to the following restrictions in each mode. In registered mode, pin 1 and pin 11 are permanently configured as clock and output enable, respectively. These pins cannot be configured as dedicated inputs in the registered mode. In complex mode, pin 1 and pin 11 become dedicated inputs and use the feedback paths of pin 19 and pin 12 respectively. Because of this feedback path usage, pin 19 and pin 12 do not have the feedback option in this mode. 8 Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C In simple mode, all feedback paths of the output pins are routed via the adjacent pins. In doing so, the two inner most pins (pins 15 and 16) will not have the feedback option as these pins are always configured as dedicated combinatorial output. 16.1 Atmel ATF16V8C registered mode PAL device emulation/PAL replacement. The registered mode is used if one or more registers are required. Each macrocell can be configured as either a registered or combinatorial output or I/O, or as an input. For a registered output or I/O, the output is enabled by the OE pin, and the register is clocked by the CLK pin. Eight product terms are allocated to the sum term. For a combinatorial output or I/O, the output enable is controlled by a product term, and seven product terms are allocated to the sum term. When the macrocell is configured as an input, the output enable is permanently disabled. Any register usage will make the compiler select this mode. The following registered devices can be emulated using this mode: 16R8 16R6 16R4 Figure 17. Notes: 16RP8 16RP6 16RP4 Registered configuration for registered mode(1)(2) 1. Pin 1 controls common CLK for the registered outputs. Pin 11 controls common OE for the registered outputs. Pin 1 and Pin 11 are permanently configured as CLK and OE. 2. The development software configures all the architecture control bits and checks for proper pin usage automatically. Figure 18. Notes: Combinatorial configuration for registered mode(1)(2) 1. Pin 1 and Pin 11 are permanently configured as CLK and OE. 2. The development software configures all the architecture control bits and checks for proper pin usage automatically. 9 0425H-PLD-3/11 Figure 19. Note: 10 Registered mode logic diagram * Input not available if power-down mode is enabled Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 20. Atmel ATF16V8C complex mode PAL device emulation/PAL replacement. In the complex mode, combinatorial output and I/O functions are possible. Pins 1 and 11 are regular inputs to the array. Pins 13 through 18 have pin feedback paths back to the AND-array, which makes full I/O capability possible. Pins 12 and 19 (outermost macrocells) are outputs only. They do not have input capability. In this mode, each macrocell has seven product terms going to the sum term and one product term enabling the output. Combinatorial applications with an OE requirement will make the compiler select this mode. The following devices can be emulated using this mode: 16L8 16H8 16P8 Figure 21. 22. Complex Mode Option Atmel ATF16V8C simple mode PAL device emulation/PAL replacement. In the simple mode, eight product terms are allocated to the sum term. Pins 15 and 16 (center macrocells) are permanently configured as combinatorial outputs. Other macrocells can be either inputs or combinatorial outputs with pin feedback to the AND-array. Pins 1 and 11 are regular inputs. The compiler selects this mode when all outputs are combinatorial without OE control. The following simple PALs can be emulated using this mode: 10L8 10H8 10P8 12L6 12H6 12P6 14L4 14H4 14P4 16L2 16H2 16P2 Figure 23. Simple mode option 0 1 11 0425H-PLD-3/11 Figure 24. Note: 12 Complex mode logic diagram * Input not available if power-down mode is enabled Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C Note: Simple mode logic diagram Note: * Input not available if power-down mode is enabled 13 0425H-PLD-3/11 14 Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 15 0425H-PLD-3/11 16 Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 25. Ordering information tPD (ns) tS (ns) tCO (ns) Atmel ordering code* Package Operation range 5 3 4 ATF16V8C-5JX 20J Commercial (0C to 70C) 7.5 5 5 ATF16V8C-7JU ATF16V8C-7PU ATF16V8C-7SU 20J 20P3 20S Industrial (-40C to 85C) 5 3 4 ATF16V8C-5JC 20J Commercial (0C to 70C) ATF16V8C-7JC ATF16V8C-7PC ATF16V8C-7SC ATF16V8C-7XC 20J 20P3 20S 20X Commercial (0C to 70C) ATF16V8C-7JI ATF16V8C-7PI ATF16V8C-7SI ATF16V8C-7XI 20J 20P3 20S 20X Industrial (-40C to 85C) ATF16V8C-10JI 20J Industrial (-40C to 85C) 7.5 10 5 7.5 5 7 Using "C" Product for Industrial To use commercial product for Industrial temperature ranges, down-grade one speed grade from the "I" to the "C" device (7ns "C" = 10ns "I") and de-rate power by 30%. Notes: 1. *Shaded parts are being obsoleted in 2011 2. The suffix, "U" and "X" as part of the ordering code, implies the package is ROHS compliant and lead free Package type 20J 20-lead, Plastic J-leaded Chip Carrier (PLCC) 20P3 20-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 20S 20-lead, 0.300" Wide, Plastic Gull-Wing Small Outline (SOIC) 20X 20-lead, 4.4 mm Wide, Plastic Thin Shrink Small Outline (TSSOP) 17 0425H-PLD-3/11 26. Package Drawings 20J - PLCC PIN NO. 1 1.14(0.045) X 45 1.14(0.045) X 45 0.318(0.0125) 0.191(0.0075) IDENTIFIER e E1 E D2/E2 B1 B A2 D1 A1 D A 0.51(0.020)MAX 45 MAX (3X) COMMON DIMENSIONS (Unit of Measure = mm) Notes: 1. This package conforms to JEDEC reference MS-018, Variation AA. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. SYMBOL MIN NOM MAX A 4.191 - 4.572 A1 2.286 - 3.048 A2 0.508 - - D 9.779 - 10.033 D1 8.890 - 9.042 E 9.779 - 10.033 E1 8.890 - 9.042 D2/E2 7.366 - 8.382 B 0.660 - 0.813 B1 0.330 - 0.533 e NOTE Note 2 Note 2 1.270 TYP 10/04/01 R 18 2325 Orchard Parkway San Jose, CA 95131 TITLE 20J, 20-lead, Plastic J-leaded Chip Carrier (PLCC) DRAWING NO. REV. 20J B Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 20P3 - PDIP D PIN 1 E1 A SEATING PLANE A1 L B B1 e E COMMON DIMENSIONS (Unit of Measure = mm) C eC eB Notes: 1. This package conforms to JEDEC reference MS-001, Variation AD. 2. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm (0.010"). SYMBOL MIN NOM MAX 5.334 A - - A1 0.381 - - D 24.892 - 26.924 E 7.620 - 8.255 E1 6.096 - 7.112 B 0.356 - 0.559 B1 1.270 - 1.551 L 2.921 - 3.810 C 0.203 - 0.356 eB - - 10.922 eC 0.000 - 1.524 e NOTE Note 2 Note 2 2.540 TYP 1/23/04 R 2325 Orchard Parkway San Jose, CA 95131 TITLE 20P3, 20-lead (0.300"/7.62 mm Wide) Plastic Dual Inline Package (PDIP) DRAWING NO. 20P3 REV. D 19 0425H-PLD-3/11 20S - SOIC 20 Atmel ATF16V8C 0425H-PLD-3/11 Atmel ATF16V8C 20X - TSSOP Dimensions in Millimeters and (Inches). Controlling dimension: Millimeters. JEDEC Standard MO-153 AC INDEX MARK PIN 1 4.50 (0.177) 6.50 (0.256) 4.30 (0.169) 6.25 (0.246) 6.60 (.260) 6.40 (.252) 0.65 (.0256) BSC 0.30 (0.012) 0.19 (0.007) 1.20 (0.047) MAX 0.15 (0.006) 0.05 (0.002) SEATING PLANE 0.20 (0.008) 0.09 (0.004) 0 ~ 8 0.75 (0.030) 0.45 (0.018) 10/23/03 R 2325 Orchard Parkway San Jose, CA 95131 TITLE 20X, (Formerly 20T), 20-lead, 4.4 mm Body Width, Plastic Thin Shrink Small Outline Package (TSSOP) DRAWING NO. REV. 20X C 21 0425H-PLD-3/11 27. 22 Revision history Doc. rev. Date 0425H 03/2011 Comments Added green (ROHS compliant) package options Removed lead based packaged from ordering section Atmel ATF16V8C 0425H-PLD-3/11 Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: (+1) (408) 441-0311 Fax: (+1) (408) 487-2600 www.atmel.com Atmel Asia Limited Unit 01-5 & 16, 19F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon HONG KONG Tel: (+852) 2245-6100 Fax: (+852) 2722-1369 Atmel Munich GmbH Business Campus Parkring 4 D-85748 Garching b. Munich GERMANY Tel: (+49) 89-31970-0 Fax: (+49) 89-3194621 Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 JAPAN Tel: (+81) (3) 3523-3551 Fax: (+81) (3) 3523-7581 (c) 2011 Atmel Corporation. All rights reserved. / Rev.: 0425H-PLD-3/11 Atmel(R), logo and combinations thereof, and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. 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