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PDF HD74AC283 Data sheet ( Hoja de datos )
| Número de pieza | HD74AC283 | |
| Descripción | 4-bit Binary Full Adder with Fast Carry | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74AC283/HD74ACT283
4-bit Binary Full Adder with Fast Carry
Description
The HD74AC283/HD74ACT283 high-speed 4-bit binary full adder with internal carry lookahead accepts
two 4-bit binary works (A0 – A3, B0 – B 3) and a Carry input (C0). It generates the binary Sum outputs (S0 –
S3) and the Carry output (C4) from the most significant bit. The HD74AC283/HD74ACT283 will operate
with either active High or active Low operands (positive or negative logic).
Features
• Outputs Source/Sink 24 mA
• HD74ACT283 has TTL-Cmpatible Inputs
Pin Arrangement
S1 1
B1 2
A1 3
S0 4
A0 5
B0 6
C0 7
GND 8
(Top view)
16 VCC
15 B2
14 A2
13 S2
12 A3
11 B3
10 S3
9 C4
1 page  
Logic Diagram
C0 A0 B0
A1 B1
HD74AC283/HD74ACT283
A2 B2
A3 B3
S0 S1
S2
S3 C4
Please note that this diagram is provided only for the understanding of logic operations and shoudl not be
used to estimate propagation delays.
DC Characteristics (unless otherwise specified)
Item
Maximum quiescent supply current
Symbol Max
ICC 80
Unit
µA
Maximum quiescent supply current ICC 8.0 µA
Maximum ICC/input (HD74ACT283) ICCT
1.5
mA
Condition
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
VIN = VCC – 2.1 V, VCC = 5.5 V,
Ta = Worst case
5
5 Page 
5.00
5.30 Max
16 9
18
0.65
*0.22
+
–
0.08
0.07
0.20 ± 0.06
0.13 M
0.65 Max
0.10
Unit: mm
1.0
6.40 ± 0.20
0° – 8° 0.50 ± 0.10
*Dimension including the plating thickness
Base material dimension
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
TTP-16DA
—
—
0.05 g
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet HD74AC283.PDF ] | |
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