Texas Instruments CD54HC283, CD74HC283, CD54HCT283, CD74HCT283 High-Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry User Manual Technical Data Sheet
Summary
This datasheet from Texas Instruments (originally Harris Semiconductor) documents the CD54HC283 and CD74HC283 4-bit binary full adders with fast carry and full internal lookahead, available in HC and HCT CMOS logic families. The HC types operate from 2 V to 6 V with high noise immunity of 30 percent of VCC, while HCT types operate from 4.5 V to 5.5 V with direct LSTTL input compatibility. The devices support both positive and negative logic operation and provide standard outputs capable of drivi
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CD54HC283, CD74HC283, CD54HCT283, CD74HCT283
Data sheet acquired from Harris Semiconductor SCHS176D High-Speed CMOS Logic November 1997 - Revised October 2003 4-Bit Binary Full Adder with Fast Carry
Features Description Adds Two Binary Numbers
The ’HC283 and ’HCT283 binary full adders add two 4-bit binary numbers and generate carry-out bit if the sum
Full Internal Lookahead
[ /Title
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) Ordering Information
Wide Operating Temperature Range . . . -55o C to 125o C
/Sub-
Balanced Propagation Delay and Transition Times PART NUMBER TEMP. RANGE (o C) PACKAGE
Significant Power Reduction Compared to LSTTL CD54HC283F3A -55 to 125 16 Ld CERDIP
(High
Logic ICs
Speed CD54HCT283F3A -55 to 125 16 Ld CERDIP
CMOS HC Types
CD74HC283E -55 to 125 16 Ld PDIP
2V to 6V Operation
Logic
CD74HC283M -55 to 125 16 Ld SOIC
High Noise Immunity: NIL = 30%, NIH = 30% of VCC
4-Bit
at VCC = 5V
CD74HC283MT -55 to 125 16 Ld SOIC
Binary
HCT Types
Full CD74HC283M96 -55 to 125 16 Ld SOIC
4.5V to 5.5V Operation
Adder CD74HCT283E -55 to 125 16 Ld PDIP
Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min)
CD74HCT283M -55 to 125 16 Ld SOIC
CMOS Input Compatibility, Il 1µA at VOL, VOH
CD74HCT283MT -55 to 125 16 Ld SOIC
CD74HCT283M96 -55 to 125 16 Ld SOIC
NOTE: When ordering, use the entire part number. The suffix denotes tape and reel. The suffix denotes small-quantity reel of 250.
Pinout Functional Diagram
CD54HC283, CD54HCT283 A0
(CERDIP)
CD74HC283, CD74HCT283 B0 (PDIP, SOIC)
TOP VIEW A1 S1
S1 VCC B1
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. Copyright © 2003, Texas Instruments Incorporated
Page Summary Contents For Texas Instruments CD54HC283, CD74HC283, CD54HCT283, CD74HCT283 High-Speed CMOS Logic 4-Bit Binary Full Adder with Fast Carry User Manual Technical Data Sheet
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 11 |
| File Size | 260.82 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What is the primary function of the CDxxx283 adder?
It adds two 4-bit binary numbers and generates a carry-out bit if there is a sum.
Can this device operate with both positive and negative logic levels?
Yes, it can be used with either all active-high (positive) or all active-low (negative) operands.
What is the rated operating temperature range for these devices?
The CDxxx series supports a wide operating temperature range of -55°C to 125°C.