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CD74HCT21 Series

2-ch 4-input 4.5-V to 5.5-V AND gate with TTL-compatible inputs

Manufacturer: Texas Instruments
Link to Manufacturer Page: https://www.ti.com/

Catalog

2-ch 4-input 4.5-V to 5.5-V AND gate with TTL-compatible inputs

PartOperating Temperature [Min]Operating Temperature [Max]Number of InputsVoltage - Supply [Max]Voltage - Supply [Min]Number of CircuitsPackage / CasePackage / CasePackage / CaseLogic TypeCurrent - Output High, LowMounting TypeInput Logic Level - Low
Texas Instruments
CD74HCT21MT
-55 °C
125 °C
4
5.5 V
4.5 V
2
3.9 mm
0.154 in
14-SOIC
AND Gate
4 mA, 4 mA
Surface Mount
0.8 V
Texas Instruments
CD74HCT21M96
-55 °C
125 °C
4
5.5 V
4.5 V
2
3.9 mm
0.154 in
14-SOIC
AND Gate
4 mA, 4 mA
Surface Mount
0.8 V
Texas Instruments
CD74HCT21M
-55 °C
125 °C
4
5.5 V
4.5 V
2
3.9 mm
0.154 in
14-SOIC
AND Gate
4 mA, 4 mA
Surface Mount
0.8 V
Texas Instruments
CD74HCT21E
-55 °C
125 °C
4
5.5 V
4.5 V
2
7.62 mm
0.3 in
14-DIP
AND Gate
4 mA, 4 mA
Through Hole
0.8 V

Key Features

• LSTTL input logic compatibleVIL(max)= 0.8 V, VIH(min)= 2 VCMOS input logic compatibleII≤ 1 µA at VOL, VOHBuffered inputs4.5 V to 5.5 V operationWide operating temperature range: -55°C to +125°CSupports fanout up to 10 LSTTL loadsSignificant power reduction compared to LSTTL logic ICsLSTTL input logic compatibleVIL(max)= 0.8 V, VIH(min)= 2 VCMOS input logic compatibleII≤ 1 µA at VOL, VOHBuffered inputs4.5 V to 5.5 V operationWide operating temperature range: -55°C to +125°CSupports fanout up to 10 LSTTL loadsSignificant power reduction compared to LSTTL logic ICs

Description

AI
This device contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic. This device contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic.