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74HC08D,653

Quad 2-Input AND Gate, 2-6V, 7ns tpd, SOIC-14, CMOS

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Manufacturer Part：

74HC08D,653

Package：

SOIC-14 (8.75 x 4.0 x 1.45 mm, SO14)

Description

Product Overview

The 74HC08D,653 from Nexperia is a quad 2-input AND gate in a 14-pin SOIC package, operating from 2.0 V to 6.0 V with 7 ns typical propagation delay and CMOS input levels.

Key Specifications

Type	Quad 2-Input AND Gate
Logic Family	74HC (CMOS)
Supply Voltage	2.0 V to 6.0 V
Propagation Delay	7 ns (typical)
Output Drive	+/-5.2 mA
Number of Gates	4
Input Levels	CMOS
Package	SOIC-14 (SO14)
Operating Temperature	-40C to +125C

Features

Wide 2.0 V to 6.0 V supply voltage range
CMOS low power dissipation
High noise immunity
ESD protection exceeds 2000 V HBM
Input clamp diodes for over-voltage interfacing
Latch-up performance exceeds 100 mA per JESD 78

Applications

General-purpose logic gating and signal conditioning
Address decoding and chip select generation
Data validation and enable control
Glue logic in microprocessor systems

Product Introduction:74HC08D,653 Product Introduction

The 74HC08D,653 from Nexperia is a quad 2-input AND gate implemented in high-speed Si-gate CMOS technology. The device provides four independent 2-input AND gates in a single 14-pin SOIC package. The 74HC family offers wide supply voltage operation from 2.0 V to 6.0 V with CMOS input levels and low power consumption. The 7 ns typical propagation delay at 4.5 V enables use in medium-speed logic applications. Input clamp diodes allow interfacing to voltages exceeding VCC using current-limiting resistors. The device complies with JEDEC standards JESD7A and JESD8C.

Working Principle:74HC08D,653 Working Principle

The 74HC08D implements the Boolean AND function: the output Y is HIGH only when both inputs A and B are HIGH. Each of the four gates operates independently. The CMOS implementation uses complementary P-channel and N-channel MOSFETs in a push-pull output configuration, providing rail-to-rail output swing with low static power consumption. When both inputs are HIGH, the P-channel pull-up transistors are off and the N-channel pull-down network creates a conduction path, but the AND logic structure ensures the output is driven HIGH through the pull-up path. When any input is LOW, the corresponding N-channel transistor turns off and the output is pulled LOW through the N-channel network. The input clamp diodes protect against electrostatic discharge and allow interfacing beyond VCC with series resistance.

Pin Description:74HC08D,653 Pin Definition and Functions

Pin	Name	Type	Function
1	1A	Input	Gate 1 input A
2	1B	Input	Gate 1 input B
3	1Y	Output	Gate 1 output
4	2Y	Output	Gate 2 output
5	2A	Input	Gate 2 input A
6	2B	Input	Gate 2 input B
7	GND	Ground	Ground
8	3A	Input	Gate 3 input A
9	3B	Input	Gate 3 input B
10	3Y	Output	Gate 3 output
11	4Y	Output	Gate 4 output
12	4A	Input	Gate 4 input A
13	4B	Input	Gate 4 input B
14	VCC	Power	Supply voltage (2.0-6.0V)

Application Scenarios:In which products and applications is74HC08D,653 used

Address decoding with multiple chip select lines in MCU systems
Data validation gating in digital communication interfaces
Clock enable control in synchronous logic designs
General-purpose glue logic for signal combining

Alternative Models:What chips are recommended as replacements for 74HC08D,653

Manufacturer	Part Number	Package	Notes
Nexperia	74HCT08D	SOIC-14	TTL input levels, 4.5-5.5V
TI	SN74HC08D	SOIC-14	Pin-compatible, same function
onsemi	MC74HC08D	SOIC-14	Pin-compatible, same function
Toshiba	TC74HC08AF	SOP-14	Pin-compatible, same function
Nexperia	74HC08PW	TSSOP-14	Same function, smaller package