Specification	CD74HC688NSR

Current - Output High, Low [custom]	5.2 mA
Current - Output High, Low [custom]	5.2 mA
Current - Quiescent (Iq)	8 ÁA
Max Propagation Delay @ V, Max CL	29 ns
Mounting Type	Surface Mount
Number of Bits	8
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Output	Active Low
Output Function	A=B
Package / Case	20-SOIC
Package / Case	0.209 "
Package / Case	5.3 mm
Supplier Device Package	20-SO
Type	Identity Comparator
Voltage - Supply [Max]	6 V
Voltage - Supply [Min]	2 V

CD74HC688 Series

8-Bit Identity/Magnitude Comparators (P=Q) with Enable

Part	Output Function	Operating Temperature [Max]	Operating Temperature [Min]	Max Propagation Delay @ V, Max CL	Number of Bits	Type	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Current - Quiescent (Iq)	Voltage - Supply [Min]	Voltage - Supply [Max]	Package / Case	Package / Case [y]	Package / Case [y]	Output	Mounting Type	Supplier Device Package	Package / Case [x]	Package / Case	Package / Case
Texas Instruments SN74HC688DWRE4	A=B	85 °C	-40 °C	36 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC	0.295 in	7.5 mm	Active Low	Surface Mount	20-SOIC
Texas Instruments SN74HC688PWRE4	A=B	85 °C	-40 °C	36 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-TSSOP	4.4 mm		Active Low	Surface Mount	20-TSSOP	0.173 in
Texas Instruments CD74HC688MG4	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC	0.295 in	7.5 mm	Active Low	Surface Mount	20-SOIC
Texas Instruments CD74HC688M96	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC	0.295 in	7.5 mm	Active Low	Surface Mount	20-SOIC
Texas Instruments CD74HC688E	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-DIP			Active Low	Through Hole	20-PDIP		7.62 mm	0.3 in
Texas Instruments CD74HC688PWR	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-TSSOP	4.4 mm		Active Low	Surface Mount	20-TSSOP	0.173 in
Texas Instruments SN74HC688DWR	A=B	85 °C	-40 °C	36 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC	0.295 in	7.5 mm	Active Low	Surface Mount	20-SOIC
Texas Instruments CD74HC688M96E4	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC	0.295 in	7.5 mm	Active Low	Surface Mount	20-SOIC
Texas Instruments CD74HC688NSR	A=B	125 °C	-55 °C	29 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-SOIC			Active Low	Surface Mount	20-SO		5.3 mm	0.209 "
Texas Instruments SN74HC688PWTG4	A=B	85 °C	-40 °C	36 ns	8	Identity Comparator	5.2 mA	5.2 mA	8 ÁA	2 V	6 V	20-TSSOP	4.4 mm		Active Low	Surface Mount	20-TSSOP	0.173 in

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	$ 2.08
		10	$ 1.87
		25	$ 1.76
		100	$ 1.50
		250	$ 1.41
		500	$ 1.23
		1000	$ 1.02
	Digi-Reel®	1	$ 2.08
		10	$ 1.87
		25	$ 1.76
		100	$ 1.50
		250	$ 1.41
		500	$ 1.23
		1000	$ 1.02
	Tape & Reel (TR)	2000	$ 0.95
		4000	$ 0.95
		6000	$ 0.92
		10000	$ 0.88
Texas Instruments	LARGE T&R	1	$ 1.56
		100	$ 1.29
		250	$ 0.93
		1000	$ 0.70

Description

General part information

CD74HC688 Series

8-Bit Identity/Magnitude Comparators (P=Q) with Enable

Documents

Technical documentation and resources

CDx4HC688, CDx4HCT688 High-Speed CMOS Logic 8-Bit Magnitude Comparator datasheet (Rev. E)

Data sheet

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

Application note

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

Application note

CD74HC688NSR

Deep-Dive with AI

CD74HC688NSR

Deep-Dive with AI

Technical Specifications

CD74HC688 Series

Pricing

Description

CD74HC688 Series

Documents

Designing With Logic (Rev. C)

CMOS Power Consumption and CPD Calculation (Rev. B)

TI IBIS File Creation, Validation, and Distribution Processes

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

LOGIC Pocket Data Book (Rev. B)

SN54/74HCT CMOS Logic Family Applications and Restrictions

Signal Switch Data Book (Rev. A)

Logic Guide (Rev. AB)

Input and Output Characteristics of Digital Integrated Circuits

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

Live Insertion

CDx4HC688, CDx4HCT688 High-Speed CMOS Logic 8-Bit Magnitude Comparator datasheet (Rev. E)

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

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

CD74HC688 Series