SN74ALS21A Series

2-ch, 4-input, 4.5-V to 5.5-V ultra-high-speed (4 ns) bipolar AND gate

Catalog

2-ch, 4-input, 4.5-V to 5.5-V ultra-high-speed (4 ns) bipolar AND gate

Part	Voltage - Supply [Min]	Voltage - Supply [Max]	Package / Case [x]	Package / Case [y]	Package / Case	Operating Temperature [Max]	Max Propagation Delay @ V, Max CL	Input Logic Level - Low	Mounting Type	Number of Inputs	Number of Circuits	Logic Type	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Supplier Device Package
Texas Instruments SN74ALS21ADR	4.5 V	5.5 V	0.154 in	3.9 mm	14-SOIC	70 °C	15 ns	0.8 V	Surface Mount	4	2	AND Gate	400 µA	8 mA
Texas Instruments SN74ALS21ANSR	4.5 V	5.5 V	0.209 "	5.3 mm	14-SOIC	70 °C	15 ns	0.8 V	Surface Mount	4	2	AND Gate	400 µA	8 mA	14-SO
Texas Instruments SN74ALS21AN	4.5 V	5.5 V	0.3 "	7.62 mm	14-DIP	70 °C	15 ns	0.8 V	Through Hole	4	2	AND Gate	400 µA	8 mA

Catalog

2-ch, 4-input, 4.5-V to 5.5-V ultra-high-speed (4 ns) bipolar AND gate

Key Features

• Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPsPackage Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

Description

These devices contain two independent 4-input positive-AND gates. They perform the Boolean functionsorin positive logic. The SN54ALS21A and SN54AS21 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS21A and SN74AS21 are characterized for operation from 0°C to 70°C. These devices contain two independent 4-input positive-AND gates. They perform the Boolean functionsorin positive logic. The SN54ALS21A and SN54AS21 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS21A and SN74AS21 are characterized for operation from 0°C to 70°C.