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PDF 74LS83A Data sheet ( Hoja de datos )
| Número de pieza | 74LS83A | |
| Descripción | 4-BIT BINARY FULL ADDER | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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4-BIT BINARY FULL ADDER
WITH FAST CARRY
The SN54 / 74LS83A is a high-speed 4-Bit binary Full Adder with internal
carry lookahead. It accepts two 4-bit binary words (A1 – A4, B1 – B4) and a
Carry Input (C0). It generates the binary Sum outputs ∑1 – ∑4) and the Carry
Output (C4) from the most significant bit. The LS83A operates with either
active HIGH or active LOW operands (positive or negative logic). The
SN54 / 74LS283 is recommended for new designs since it is identical in
function with this device and features standard corner power pins.
CONNECTION DIAGRAM DIP (TOP VIEW)
B4 Σ4 C4 C0 GND B1 A1 Σ1
16 15 14 13 12 11 10 9
NOTE:
The Flatpak version has the
same pinouts (Connection
Diagram) as the Dual In-Line
Package.
12
A4 Σ3
3 4 56
A3 B3 VCC Σ2
78
B2 A2
PIN NAMES
LOADING (Note a)
HIGH
LOW
A1 – A4
B1 – B4
C0
Σ1 – Σ4
C4
Operand A Inputs
Operand B Inputs
Carry Input
Sum Outputs (Note b)
Carry Output (Note b)
1.0 U.L.
1.0 U.L.
0.5 U.L.
10 U.L.
10 U.L.
0.5 U.L.
0.5 U.L.
0.25 U.L.
5 (2.5) U.L.
5 (2.5) U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)
Temperature Ranges.
C0 A1 B1
13 10 11
A2 B2
87
LOGIC DIAGRAM
A3 B3
34
A4 B4
1 16
VCC = PIN 5
GND = PIN 12
= PIN NUMBERS
SN54/74LS83A
4-BIT BINARY FULL ADDER
WITH FAST CARRY
LOW POWER SCHOTTKY
16
1
J SUFFIX
CERAMIC
CASE 620-09
16
1
N SUFFIX
PLASTIC
CASE 648-08
16
1
D SUFFIX
SOIC
CASE 751B-03
ORDERING INFORMATION
SN54LSXXJ
SN74LSXXN
SN74LSXXD
Ceramic
Plastic
SOIC
LOGIC SYMBOL
10 11 8 7 3 4 1 16
B1 A2 B2 A3 B3 A4 B4
13 C0
C4
∑1∑2 ∑3∑4 C4
9 6 2 15 14
14
C1 C2
C3
96
∑1 ∑2
2
∑3
15
∑4
14
C4
FAST AND LS TTL DATA
5-81
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet 74LS83A.PDF ] | |
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