74283 IC 4-Bit Binary Adder

74283 Pin Configuration

Pin No

Pin Name

Description

1

2

Sum Output Pin 2

2

B2

Operand Input Pin B2

3

A2

Operand Input Pin A2

4

1

Sum Output Pin 1

5

A1

Operand Input Pin A1

6

B1

Operand Input Pin B1

7

C0

Carry Input C0

8

GND

Ground Pin

9

C4

Operand Input Pin C4

10

4

Sum Output Pin 4

11

B4

Operand Input Pin B4

12

A4

Operand Input Pin A4

13

3

Sum Output Pin 3

14

A3

Operand Input Pin A3

15

B3

Operand Input Pin B3

16

Vcc

Chip Supply Voltage

Features for the 74283

Full-Carry Look-Ahead Across the Four Bits

Systems Achieve Partial Look-Ahead Performance with the Economy of Ripple Carry

Supply Voltage and Ground on Corner Pins to Simplify the P-C Board Layout

Specifications:

Series: SN74LS283

Product Type: Logic Adder & Subtractor

Function: Binary Full Adders With Fast Carry

Logic Type: Bipolar

Logic Family: LS

High-Level Output Current: 400 uA

Low-Level Output Current: 8 mA

Propagation Delay Time: 17 ns, 22 ns, 24 ns

Number of Bits: 4-bit

Number of Channels: 4 Channel

Supply Voltage Min: 4.75 V

Supply Voltage Max: 5.25 V

Operating Supply Voltage: 5 V

Minimum Operating Temperature: 0C

Maximum Operating Temperature: +70C

Mounting Style: Through Hole

Package/Case: PDIP-16

74283 Datasheet