CD74HCT27 Series

3-ch, 3-input, 4.5-V to 5.5-V NOR gates with TTL-compatible CMOS inputs

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

Catalog

3-ch, 3-input, 4.5-V to 5.5-V NOR gates with TTL-compatible CMOS inputs

Part	Logic Type	Mounting Type	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Package / Case	Package / Case	Input Logic Level - Low	Current - Output High, Low	Number of Circuits	Max Propagation Delay @ V, Max CL	Number of Inputs	Voltage - Supply [Max]	Voltage - Supply [Min]
Texas Instruments CD74HCT27E	NOR Gate	Through Hole	-55 °C	125 °C	14-DIP	7.62 mm	0.3 in	0.8 V	4 mA, 4 mA	3	23 ns	3	5.5 V	4.5 V
Texas Instruments CD74HCT27M96	NOR Gate	Surface Mount	-55 °C	125 °C	14-SOIC	3.9 mm	0.154 in	0.8 V	4 mA, 4 mA	3	23 ns	3	5.5 V	4.5 V
Texas Instruments CD74HCT27M	NOR Gate	Surface Mount	-55 °C	125 °C	14-SOIC	3.9 mm	0.154 in	0.8 V	4 mA, 4 mA	3	23 ns	3	5.5 V	4.5 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

This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y =A + B + Cin positive logic. This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y =A + B + Cin positive logic.