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CD74HCT688ME4

IC COMPARATOR IDENTITY 20SOIC

Product Category: Logic Comparators
Mfr. Part #
CD74HCT688ME4
Manufacturer: Texas Instruments
Package: 20-SOIC (0.295", 7.50mm Width)
Lead Free Status /RoHS Status:
Data Sheet: CD74HCT688ME4 Datasheet
Inventory: In Stock

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Mfr. Part #: CD74HCT688ME4

Specifications
Product Details

Specifications

Manufacturer Texas Instruments

Product Category Logic Comparators

Series 74HCT

Product Digital Comparators

Type Identity Comparator

Packaging Tube Alternate Packaging

Unit-Weight 0.017662 oz

Mounting-Style SMD/SMT

Package-Case 20-SOIC (0.295", 7.50mm Width)

Operating-Temperature -55Â°C ~ 125Â°C

Mounting-Type Surface Mount

Output-Type Active Low

Voltage-Supply 4.5 V ~ 5.5 V

Output Active Low

Number-of-Bits 8 Bits

Output-Function A=B

Current-Output-High-Low 4mA, 4mA

Max-Propagation-Delay-V-Max-CL 34ns @ 4.5V, 50pF

Current-Quiescent 8Î¼A

Maximum Operating Temperature + 125 C

Operating temperature range - 55 C

Supply-Voltage-Max 5.5 V

Supply-Voltage-Min 4.5 V

Package-Case SOIC-20

Comparator-Type Magnitude

Propagation Delay 34 ns

Logic-Function A = B

Product Details

Description

The â€™HC670 and CD74HCT670 are 16-bit register files organized as 4 words x 4 bits each. Read and write address and enable inputs allow simultaneous writing into one location while reading another. Four data inputs are provided to store the 4-bit word. The write address inputs (WA0 and WA1) determine the location of the stored word in the register.

Features

â€¢ Simultaneous and Independent Read and Write Operations
â€¢ Expandable to 512 Words of n-Bits
â€¢ Three-State Outputs
â€¢ Organized as 4 Words x 4 Bits Wide
â€¢ Buffered Inputs
â€¢ Typical Read Time = 16ns for â€™HC670 VCC = 5V, CL = 15pF, TA = 25Â°C
â€¢ Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
â€¢ Wide Operating Temperature Range . . . -55oC to 125oC
â€¢ Balanced Propagation Delay and Transition Times
â€¢ Significant Power Reduction Compared to LSTTL Logic ICs
â€¢ HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
â€¢ HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il â‰¤ 1ÂµA at VOL, VOH

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Mfr. Part #: CD74HCT688ME4