Integrated Circuits (ICs)

CD74HCT688E

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8-BIT IDENTITY/MAGNITUDE COMPARATORS (P=Q) WITH ENABLE

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Search across all available documentation for this part.

DocumentsCDx4HC688, CDx4HCT688 High-Speed CMOS Logic 8-Bit Magnitude Comparator datasheet (Rev. E)Designing With Logic (Rev. C)+10

Integrated Circuits (ICs)

CD74HCT688E

Active

Texas Instruments

8-BIT IDENTITY/MAGNITUDE COMPARATORS (P=Q) WITH ENABLE

Deep-Dive with AI

DocumentsCDx4HC688, CDx4HCT688 High-Speed CMOS Logic 8-Bit Magnitude Comparator datasheet (Rev. E)Designing With Logic (Rev. C)+10

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	CD74HCT688E

Current - Output High, Low [custom]	4 mA
Current - Output High, Low [custom]	4 mA
Current - Quiescent (Iq)	8 ÁA
Max Propagation Delay @ V, Max CL	34 ns
Mounting Type	Through Hole
Number of Bits	8
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Output	Active Low
Output Function	A=B
Package / Case	20-DIP
Package / Case	7.62 mm
Package / Case	0.3 in
Supplier Device Package	20-PDIP
Type	Identity Comparator
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V

CD74HCT688 Series

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

Part	Type	Output	Output Function	Number of Bits	Current - Quiescent (Iq)	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Supply [Min]	Voltage - Supply [Max]	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Supplier Device Package	Max Propagation Delay @ V, Max CL	Package / Case	Package / Case [y]	Package / Case [y]	Mounting Type	Package / Case	Package / Case
Texas Instruments CD74HCT688M	Identity Comparator	Active Low	A=B	8	8 ÁA	-55 °C	125 °C	4.5 V	5.5 V	4 mA	4 mA	20-SOIC	34 ns	20-SOIC	0.295 in	7.5 mm	Surface Mount
Texas Instruments CD74HCT688E	Identity Comparator	Active Low	A=B	8	8 ÁA	-55 °C	125 °C	4.5 V	5.5 V	4 mA	4 mA	20-PDIP	34 ns	20-DIP			Through Hole	7.62 mm	0.3 in
Texas Instruments CD74HCT688MG4	Identity Comparator	Active Low	A=B	8	8 ÁA	-55 °C	125 °C	4.5 V	5.5 V	4 mA	4 mA	20-SOIC	34 ns	20-SOIC	0.295 in	7.5 mm	Surface Mount
Texas Instruments CD74HCT688ME4	Identity Comparator	Active Low	A=B	8	8 ÁA	-55 °C	125 °C	4.5 V	5.5 V	4 mA	4 mA	20-SOIC	34 ns	20-SOIC	0.295 in	7.5 mm	Surface Mount
Texas Instruments CD74HCT688EG4	Identity Comparator	Active Low	A=B	8	8 ÁA	-55 °C	125 °C	4.5 V	5.5 V	4 mA	4 mA	20-PDIP	34 ns	20-DIP			Through Hole	7.62 mm	0.3 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 1.06
		20	$ 0.95
		40	$ 0.90
		100	$ 0.74
		260	$ 0.69
		500	$ 0.61
		1000	$ 0.48
		2500	$ 0.45
		5000	$ 0.43
Texas Instruments	TUBE	1	$ 0.79
		100	$ 0.61
		250	$ 0.45
		1000	$ 0.32

Description

General part information

CD74HCT688 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

CD74HCT688E

Deep-Dive with AI

CD74HCT688E

Deep-Dive with AI

Technical Specifications

CD74HCT688 Series

Pricing

Description

CD74HCT688 Series

Documents

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

Designing With Logic (Rev. C)

Signal Switch Data Book (Rev. A)

Semiconductor Packing Material Electrostatic Discharge (ESD) Protection

TI IBIS File Creation, Validation, and Distribution Processes

Logic Guide (Rev. AB)

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

LOGIC Pocket Data Book (Rev. B)

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

SN54/74HCT CMOS Logic Family Applications and Restrictions

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

CMOS Power Consumption and CPD Calculation (Rev. B)

CD74HCT688 Series