Specification	SN74ALS27AN

Current - Output High, Low [custom]	400 µA
Current - Output High, Low [custom]	8 mA
Input Logic Level - Low	0.8 V
Logic Type	NOR Gate
Max Propagation Delay @ V, Max CL	15 ns
Mounting Type	Through Hole
Number of Circuits	3
Number of Inputs	3
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Package / Case	14-DIP
Package / Case [x]	0.3 "
Package / Case [y]	7.62 mm
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V

SN74ALS27A Series

3-ch, 3-input, 4.5-V to 5.5-V bipolar NOR gates

Part	Mounting Type	Logic Type	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Input Logic Level - Low	Voltage - Supply [Min]	Voltage - Supply [Max]	Number of Circuits	Max Propagation Delay @ V, Max CL	Number of Inputs	Package / Case	Package / Case [y]	Package / Case [x]	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Current - Quiescent (Max) [Max]
Texas Instruments SN74ALS27AN	Through Hole	NOR Gate	400 µA	8 mA	0.8 V	4.5 V	5.5 V	3	15 ns	3	14-DIP	7.62 mm	0.3 "	70 °C	0 °C
Texas Instruments SN74ALS27ANE4
Texas Instruments SN74ALS27ADRE4	Surface Mount	NOR Gate	400 µA	8 mA	0.8 V	4.5 V	5.5 V	3	15 ns	3	14-SOIC	3.9 mm	0.154 in	70 °C	0 °C
Texas Instruments SN74ALS27FN
Texas Instruments SN74ALS27ADG4	Surface Mount	NOR Gate	400 µA	8 mA	0.8 V	4.5 V	5.5 V	3	15 ns	3	14-SOIC	3.9 mm	0.154 in	70 °C	0 °C
Texas Instruments SN74ALS27ANSR	Surface Mount	NOR Gate	400 µA	8 mA	0.8 V	4.5 V	5.5 V	3	15 ns	3	14-SOIC	5.3 mm	0.209 "	70 °C	0 °C	14-SO	1.8 mA
Texas Instruments SN74ALS27AD	Surface Mount	NOR Gate	400 µA	8 mA	0.8 V	4.5 V	5.5 V	3	15 ns	3	14-SOIC	3.9 mm	0.154 in	70 °C	0 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 1.14
		10	$ 1.02
		25	$ 0.96
		100	$ 0.79
		250	$ 0.74
		500	$ 0.65
		1000	$ 0.61
Texas Instruments	TUBE	1	$ 1.56
		100	$ 1.20
		250	$ 0.88
		1000	$ 0.63

Description

General part information

SN74ALS27A Series

These devices contain three independent 3-input positive-NOR gates. They perform the Boolean functionsorin positive logic.

The SN54ALS27A and SN54AS27 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS27A and SN74AS27 are characterized for operation from 0°C to 70°C.

These devices contain three independent 3-input positive-NOR gates. They perform the Boolean functionsorin positive logic.

Documents

Technical documentation and resources

Triple 3-Input Positive-NOR Gates datasheet (Rev. B)

Data sheet