74HC688D,653

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Nexperia USA Inc.

MAGNITUDE COMPARATOR, 74HC688, 8 CHANNEL, 8-BIT, 20 PINS, SOIC

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74HC688D,653

Active

Nexperia USA Inc.

MAGNITUDE COMPARATOR, 74HC688, 8 CHANNEL, 8-BIT, 20 PINS, SOIC

Find alt

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Description Specifications Series Pricing CAD Documents

Description

General part information

74HC688 Series

The 74HC688 is an 8-bit magnitude comparator. It performs comparisons of two 8-bit binary or BCD words. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Technical Specifications

Parameters and characteristics for this part

Specification	74HC688D,653

Current - Output High	5.2 mA
Current - Output Low	5.2 mA
Current - Quiescent (Iq)	8 µA
Max CL	50 pF
Max Propagation Delay	29 ns
Mounting Type	Surface Mount
Number of Bits	8 bits
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output	Active Low
Output Function	A=B
Package Length	0.295 in
Package Name	20-SO, 20-SOIC
Package Width	7.5 mm
Type	Identity Comparator
Voltage - Supply (Maximum)	6 V
Voltage - Supply (Minimum)	2 V

74HC688 Series

8-bit magnitude comparator

Part	Operating Temperature (Max)	Operating Temperature (Min)	Package Length	Package Name	Package Width	Max Propagation Delay	Max CL	Output	Current - Output High	Current - Output Low	Current - Quiescent (Iq)	Output Function	Number of Bits	Type	Mounting Type	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)
Nexperia USA Inc. 74HC688D,652	125 °C	-40 °C	0.295 in	20-SO 20-SOIC	7.5 mm	29 ns	50 pF	Active Low	5.2 mA	5.2 mA	8 µA	A=B	8 bits	Identity Comparator	Surface Mount	2 V	6 V
Nexperia USA Inc. 74HC688PW,118	125 °C	-40 °C	0.173 in	20-TSSOP	4.4 mm	29 ns	50 pF	Active Low	5.2 mA	5.2 mA	8 µA	A=B	8 bits	Identity Comparator	Surface Mount	2 V	6 V
Nexperia USA Inc. 74HC688D,653	125 °C	-40 °C	0.295 in	20-SO 20-SOIC	7.5 mm	29 ns	50 pF	Active Low	5.2 mA	5.2 mA	8 µA	A=B	8 bits	Identity Comparator	Surface Mount	2 V	6 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet

Nexperia package poster

plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body

Questions about package outline drawings

Wave soldering profile

HC/T User Guide

Pin FMEA 74HC/74HCT family

74HC688D Nexperia Product Reliability