Texas Instruments CD74HC283, CD74HCT283 User Guide and Specifications
Summary
Need a reliable way to add two binary numbers? This product is a high-speed 4-bit Binary Full Adder (CD74HC283 / CD74HCT283) designed for robust digital signal processing. It features fast carry capabilities and operates across an extended range of -55°C to 125°C, supporting both positive and negative logic systems. The accompanying documentation provides a comprehensive technical guide, detailing electrical specifications, operation limits, power consumption, and pin diagrams. This component is essential for electronics engineers and hardware designers building high-performance circuitry requiring precise binary arithmetic.
Page 1 Text Content
CD74HC283, CD74HCT283
Data sheet acquired from Harris Semiconductor SCHS176 High Speed CMOS Logic
November 1997 4-Bit Binary Full Adder with Fast Carry
Features Description Adds Two Binary Numbers
The Harris CD74HC283 and CD74HCT283 binary full adders that add two 4-bit binary numbers and generate
Full Internal Lookahead
[ /Title
carry-out bit if the sum exceeds 15.
(CD74 Fast Ripple Carry for Economical Expansion
Because of the symmetry of the add function, this device
HC283 Operates with Both Positive and Negative Logic
can be used with either all active-high operands (positive Fanout (Over Temperature Range) logic) or with all active-low operands (negative logic). When CD74 using positive logic the carry-in input must be tied low if there
Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
is no carry-in.
HCT28 Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads 3)
Wide Operating Temperature Range . . . -55o C to 125o C Ordering Information
/Sub-
Balanced Propagation Delay and Transition Times
ject PKG.
PART NUMBER TEMP. RANGE (o C) PACKAGE NO.
Significant Power Reduction Compared to LSTTL
(High
Logic ICs
CD74HC283E -55 to 125 16 Ld PDIP E16.3
Speed
HC Types
CMOS CD74HCT283E -55 to 125 16 Ld PDIP E16.3
2V to 6V Operation
Logic
CD74HC283M -55 to 125 16 Ld SOIC M16.15
High Noise Immunity: NIL = 30%, NIH = 30% of VCC
4-Bit
at VCC = 5V CD74HCT283M -55 to 125 16 Ld SOIC M16.15
Binary
HCT Types NOTES:
4.5V to 5.5V Operation 1. When ordering, use the entire part number. Add the suffix to
Adder
Direct LSTTL Input Logic Compatibility, obtain the variant in the tape and reel.
VIL= 0.8V (Max), VIH = 2V (Min) 2. Wafer and die is available which meets all electrical
CMOS Input Compatibility, Il 1µA at VOL, VOH specifications. Please contact your local sales office or Harris customer service for ordering information.
Pinout Functional Diagram
CD74HC283, CD74HCT283 (PDIP, SOIC)
TOP VIEW
S1 VCC A1 S1 B1 B2
CIN S3
GND COUT
CIN COUT
GND = 8 VCC = 16
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
File Number 1848.1
Copyright © Harris Corporation 1997
Page Summary Contents For Texas Instruments CD74HC283, CD74HCT283 User Guide and Specifications
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 6 |
| File Size | 41.65 KB |
| Published | May 28, 2026 |
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Frequently Asked Questions
Does physical handling require caution for these components?
These devices are sensitive to electrostatic discharge, requiring users to follow proper IC Handling Procedures.