74LS21 Series

2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate

Catalog

2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate

Part	Max Propagation Delay	Max CL	Package Length	Package Name	Package Width	Mounting Type	Input Logic Level - High	Number of Inputs	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Current - Output High	Current - Output Low	Number of Circuits	Logic Type	Input Logic Level - Low (Voltage)	Operating Temperature (Max)	Input Logic Level - Low (Min)	Input Logic Level - Low (Max)
Texas Instruments SN74LS21N	20 ns	15 pF	0.3 in	14-DIP 14-PDIP	7.62 mm	Through Hole	2 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate	0.8 V	70 °C
Texas Instruments SN74LS21NS	20 ns	15 pF	0.209 in	14-SO 14-SOIC	5.3 mm	Surface Mount	3.4 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate		70 °C	0.4 V	0.5 V
Texas Instruments SN74LS21D	20 ns	15 pF	0.154 in	14-SOIC	3.9 mm	Surface Mount	2 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate	0.8 V	70 °C
Texas Instruments SN74LS21NSR	20 ns	15 pF	0.209 in	14-SO 14-SOIC	5.3 mm	Surface Mount	2 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate	0.8 V	70 °C
Texas Instruments SN74LS21DR	20 ns	15 pF	0.154 in	14-SOIC	3.9 mm	Surface Mount	2 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate	0.8 V	70 °C
Texas Instruments SN74LS21NG4	20 ns	15 pF	0.3 in	14-DIP 14-PDIP	7.62 mm	Through Hole	2 V	4	5.25 V	4.75 V	400 µA	8 mA	2	AND Gate	0.8 V	70 °C

Catalog

2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate

Description

These devices contain two independent 4-input AND gates. The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C. These devices contain two independent 4-input AND gates. The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C.