Specification	CD74HC27MT

Current - Output High, Low [custom]	5.2 mA
Current - Output High, Low [custom]	5.2 mA
Input Logic Level - High [Max]	4.2 V
Input Logic Level - High [Min]	1.5 V
Input Logic Level - Low [Max]	1.8 V
Input Logic Level - Low [Min]	0.5 V
Logic Type	NOR Gate
Max Propagation Delay @ V, Max CL	16 ns
Mounting Type	Surface Mount
Number of Circuits	3
Number of Inputs	3
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Package / Case	14-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Voltage - Supply [Max]	6 V
Voltage - Supply [Min]	2 V

CD74HC27 Series

3-ch, 3-input, 2-V to 6-V 5.2 mA drive strength NOR gate

Part	Max Propagation Delay @ V, Max CL	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Input Logic Level - Low [Max]	Input Logic Level - Low [Min]	Logic Type	Input Logic Level - High [Min]	Input Logic Level - High [Max]	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Package / Case [x]	Package / Case [y]	Package / Case	Number of Inputs	Number of Circuits	Voltage - Supply [Min]	Voltage - Supply [Max]	Supplier Device Package	Package / Case	Package / Case
Texas Instruments SN74HC27D	15 ns	Surface Mount	85 °C	-40 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.154 in	3.9 mm	14-SOIC	3	3	2 V	6 V
Texas Instruments SN74HC27NS	15 ns	Surface Mount	85 °C	-40 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.209 "	5.3 mm	14-SOIC	3	3	2 V	6 V	14-SO
Texas Instruments SN74HC27DR	15 ns	Surface Mount	85 °C	-40 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.154 in	3.9 mm	14-SOIC	3	3	2 V	6 V
Texas Instruments SN74HC27NSR	15 ns	Surface Mount	85 °C	-40 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.209 "	5.3 mm	14-SOIC	3	3	2 V	6 V	14-SO
Texas Instruments CD74HC27E	16 ns	Through Hole	125 °C	-55 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.3 "	7.62 mm	14-DIP	3	3	2 V	6 V
Texas Instruments SN74HC27DBR	15 ns	Surface Mount	85 °C	-40 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA			14-SSOP	3	3	2 V	6 V	14-SSOP	5.3 mm	0.209 "
Texas Instruments CD74HC27MT	16 ns	Surface Mount	125 °C	-55 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.154 in	3.9 mm	14-SOIC	3	3	2 V	6 V
Texas Instruments CD74HC27M96	16 ns	Surface Mount	125 °C	-55 °C	1.8 V	0.5 V	NOR Gate	1.5 V	4.2 V	5.2 mA	5.2 mA	0.154 in	3.9 mm	14-SOIC	3	3	2 V	6 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.12
		10	$ 1.00
		25	$ 0.95
		100	$ 0.78
	Digi-Reel®	1	$ 1.12
		10	$ 1.00
		25	$ 0.95
		100	$ 0.78
	Tape & Reel (TR)	250	$ 0.73
		500	$ 0.64
		1250	$ 0.51
		2500	$ 0.48
		6250	$ 0.45
		12500	$ 0.43
Texas Instruments	SMALL T&R	1	$ 0.83
		100	$ 0.64
		250	$ 0.47
		1000	$ 0.34

Description

General part information

CD74HC27 Series

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

Documents

Technical documentation and resources

CD74HC27MT

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CD74HC27MT

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Technical Specifications

CD74HC27 Series

Pricing

Description

CD74HC27 Series

Documents

CDx4HC27 Triple 3-Input NOR Gates datasheet (Rev. D)

Signal Switch Data Book (Rev. A)

Live Insertion

Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc

TI IBIS File Creation, Validation, and Distribution Processes

CMOS Power Consumption and CPD Calculation (Rev. B)

LOGIC Pocket Data Book (Rev. B)

Understanding and Interpreting Standard-Logic Data Sheets (Rev. C)

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

Implications of Slow or Floating CMOS Inputs (Rev. E)

Designing With Logic (Rev. C)

Input and Output Characteristics of Digital Integrated Circuits

Logic Guide (Rev. AB)

SN54/74HCT CMOS Logic Family Applications and Restrictions

CD74HC27 Series