74HC283 – 74283 ( 4-Bit Binary Adder )

74HC283-74283 (4-Bit Binary Adder) is a high-quality electronic component designed for Arduino, prototyping, and educational electronics.
74283 Pin Configuration

Pin No
Pin Name
Description

1
Σ2
Sum Output Pin Σ2

2
B2
Operand Input Pin B2

3
A2
Operand Input Pin A2

4
Σ1
Sum Output Pin Σ1

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
Σ4
Sum Output Pin Σ4

11
B4
Operand Input Pin B4

12
A4
Operand Input Pin A4

13
Σ3
Sum Output Pin Σ3

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: 0°C
Maximum Operating Temperature: +70°C
Mounting Style: Through Hole
Package/Case: PDIP-16

74283 Datasheet
It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.