SN54HC21
SN54HC21 is DUAL 4-INPUT POSITIVE-AND GATES manufactured by Texas Instruments.
SN74HC21, SN54HC21
SCLS087F
- DECEMBER 1982
- REVISED JUNE 2021
SNx4HC21 Dual 4-Input AND Gates
1 Features
- Buffered inputs
- Wide operating voltage range: 2 V to 6 V
- Wide operating temperature range: -40°C to +85°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction pared to LSTTL logic ICs
2 Applications
- bining power good signals
- Enable digital signals
3 Description
This device contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A
- B
- C
- D in positive logic.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SN74HC21D
SOIC (14)
8.70 mm × 3.90 mm
SN74HC21N
PDIP (14)
19.30 mm × 6.40...
