Rev.2.00, Oct 06, 2005 page 1 of 6
HD74HC83
4-bit Binary Full Adder (with Fast Carry) REJ03D0554-0200
(Previous ADE-205-4 26)
Rev.2.00
Oct 06, 2005
Description
This improved full adder performs the addition of two 4-bit binary numbers. The sum (Σ) output are provided for each
bit and the resultant carry (C4) is obtained from the fourth bit.
This adder features full internal look ahead across all four bit generating the carry term in ten nanoseconds typically.
This provides the system designer with partial look-ahead performance at the economy and reduced package count of a
ripple-carry implementation.
Features
• High Speed Operation: tpd (Ai or Bi to Zi) = 16 ns typ (CL = 50 pF)
• High O utput Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Orderi ng Information
Part Name Package Type Package Code
(Previous Code) Package
Abbreviation Taping Abbreviation
(Quantity)
HD74HC83FPEL SOP-16 pin (JEITA) PRSP0016DH-B
(FP-16DAV) FP EL (2,000 pcs/reel)
HD74HC83RPEL SOP-16 pin (JEDEC) PRSP0016DG-A
(FP-16DNV) RP EL (2,500 pcs/reel)
Note: Please consult the sales office for the above package availability.
HD74HC83
Rev.2.00, Oct 06, 2005 page 2 of 6
Function Table
Outputs
Inputs When C0 = L / When C2 = L When C0 = H / When C2 = H
A1 / A3 B
1 / B3 A
1 / A3 A
1 / A3 Σ1 / Σ3 Σ2 / Σ4 C
2 / C4 Σ1 / Σ3 Σ2 / Σ4 C
2 / C4
L L L L L L L H L L
H L L L H L L L H L
L H L L H L L L H L
H H L L L H L H H L
L L H L L H L H H L
H L H L H H L L L H
L H H L H H L L L H
H H H L L L H H L H
L L L H L H L H H L
H L L H H H L L L H
L H L H H H L L L H
H H L H L L H H L H
L L H H L L H H L H
H L H H H L H L H H
L H H H H L H L H H
H H H H L H H H H H
H : High level
L : Low level
X : Irrelevant
Note : Input conditions at A1, B1, A2, B2 and C0 are used to determine outputs Σ1 and Σ2 and the value of the internal
carry C2.
The value at C2, A3, B3, A4 and B4 are than used to determine outputs Σ3, Σ4 and C4
Pin Arrangement
1
2
3
4
5
6
7
8
A
4
Σ
3
A
3
B
3
V
CC
Σ
2
B
2
A
2
B
4
Σ
4
C
4
C
0
GND
B
1
A
1
Σ
1
16
15
14
13
12
11
10
9
(Top view)
A
4
Σ
3
Σ
2
A
3
Σ
4
C
4
C
0
B
1
A
1
B
3
B
2
B
4
A
2
Σ
1
HD74HC83
Rev.2.00, Oct 06, 2005 page 3 of 6
Logic Diagram
B4
B3
A4
A3
B2
A2
B1
A1
C0Σ1
Σ2
Σ3
Σ4
C4
Absolute Maximum Ratings
Item Symbol Ratings Unit
Supply voltage range VCC –0.5 to 7.0 V
Input / Output voltage Vin, Vout –0.5 to VCC +0.5 V
Input / Output diode current IIK, IOK ±20 mA
Output current IO ±25 mA
VCC, GND current ICC or IGND ±50 mA
Power dissipation PT 500 mW
Storage temperature Tstg –65 to +150 °C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item Symbol Ratings Unit Conditions
Supply voltage VCC 2 to 6 V
Input / Output voltage VIN, VOUT 0 to VCC V
Operating temperature Ta –40 to 85 °C
0 to 1000 VCC = 2.0 V
0 to 500 VCC = 4.5 V
Input rise / fall time*1 t
r, tf 0 to 400 ns VCC = 6.0 V
Note: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
HD74HC83
Rev.2.00, Oct 06, 2005 page 4 of 6
Electrical Characteristics
Ta = 25°C Ta = –40 to+85°C
Item Symbol VCC (V) Min Typ Max Min Max Unit Test Conditions
2.0 1.5 — — 1.5 —
4.5 3.15 — — 3.15 —
VIH
6.0 4.2 — — 4.2 —
V
2.0 — — 0.5 — 0.5
4.5 — — 1.35 — 1.35
Input voltage
VIL
6.0 — — 1.8 — 1.8
V
2.0 1.9 2.0 — 1.9 —
4.5 4.4 4.5 — 4.4 —
6.0 5.9 6.0 — 5.9 —
IOH = –20 µA
4.5 4.18 — — 4.13 — IOH = –4 mA
VOH
6.0 5.68 — — 5.63 —
V Vin = VIH or VIL
IOH = –5.2 mA
2.0 — 0.0 0.1 — 0.1
4.5 — 0.0 0.1 — 0.1
6.0 — 0.0 0.1 — 0.1
IOL = 20 µA
4.5 — — 0.26 — 0.33 IOL = 4 mA
Output voltage
VOL
6.0 — — 0.26 — 0.33
V Vin = VIH or VIL
IOL = 5.2 mA
Input current Iin 6.0 — — ±0.1 — ±1.0 µA Vin = VCC or GND
Quiescent su pply
current ICC 6.0 — — 4.0 — 40 µA Vin = VCC or GND, Iout = 0 µA
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C Ta = –40 to +85°C
Item Symbol VCC (V) Min Typ Max Min Max Unit Test Conditions
2.0 — — 150 — 190
4.5 — 19 30 — 38
tPLH, tPHL
6.0 — — 26 — 33
ns C0 to Σ1
2.0 — — 150 — 190
4.5 — 16 30 — 38
tPLH, tPHL
6.0 — — 26 — 33
ns A1 or B1 to Σ1
2.0 — — 150 — 190
4.5 — 17 30 — 38
tPLH, tPHL
6.0 — — 26 — 33
ns C0 to C4
2.0 — — 150 — 190
4.5 — 18 30 — 38
Propagation delay
time
tPLH, tPHL
6.0 — — 26 — 33
ns A1 or B1 to C4
2.0 — — 75 — 95
4.5 — 5 15 — 19
Output fall time tTHL
6.0 — — 13 — 16
ns
Input capacitan ce Cin — — 5 10 — 10 pF
HD74HC83
Rev.2.00, Oct 06, 2005 page 5 of 6
Test Circuit
V
CC
A
4
V
CC
Z
out
= 50 Ω
Input
C
0
C
L
= 50 pF
Output
C
L
= 50 pF
Output
C
4
Σ
4
Note: C includes the probe and jig capacitance.
L
Pulse generator
See Function Table
C
L
= 50 pF
Output
Σ
1
B
1
A
1
B
2
A
2
B
3
A
3
B
4
Waveforms
0 V
VCC
VOH
VOL
tPLH tPHL
10 %
90 %
50 %
50 % 50 %
50 %
10 %
90 %
trtf
tTHL
10 %
90 %
tTLH
10 %
90 %
VOH
VOL
50 % 50 %
tTHL
10 %
90 %
tTLH
10 %
90 %
tPHL tPLH
1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
Notes:
Input
Same-phase output
Inverse-phase output
HD74HC83
Rev.2.00, Oct 06, 2005 page 6 of 6
Package Dimensions
0.635
0.15
1.27
5.80 6.20
0.400.34
p
A
1
10.30
FP-16DNV
RENESAS CodeJEITA Package Code Previous Code
MaxNomMin
Dimension in Millimeters
Symbol
Reference
1.75
1.270.600.40
3.95
0.250.140.10
0.46
0.250.200.15
6.10
8
°
0
°
0.25
1.08
9.90
0.15g
MASS[Typ.]
1
E
1
1
2
L
Z
H
y
x
θ
c
b
A
E
D
b
c
e
e
L
A
P-SOP16-3.95x9.9-1.27 PRSP0016DG-A
Index mark
E
1
y
xM
p
*3
*2
*1
F
8
916
E
H
D
A
Zb
Terminal cross section
( Ni/Pd/Au plating )
p
b
c
Detail F
1
1
L
L
A
θ
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
0.80
0.15
1.27
7.50 8.00
0.400.34
p
A
1
10.5
FP-16DAV
RENESAS CodeJEITA Package Code Previous Code
MaxNomMin
Dimension in Millimeters
Symbol
Reference
2.20
0.900.700.50
5.50
0.200.100.00
0.46
0.250.200.15
7.80
8
°
0
°
0.12
1.15
10.06
0.24g
MASS[Typ.]
1
E
1
1
2
L
Z
H
y
x
θ
c
b
A
E
D
b
c
e
L
A
P-SOP16-5.5x10.06-1.27 PRSP0016DH-B
*1
*2
E
81
16 9
xM
p
*3
y
F
Index mark
b
D
E
H
Z
A
Terminal cross section
( Ni/Pd/Au plating )
p
c
b
1
1
Detail F
L
L
A
θ
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
e
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