Latches & Registers | MC74HCT373A

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Overview

High-Performance Silicon-Gate CMOS

The MC74HCT373A may be used as a level converter for interfacing TTL or NMOS outputs to High-Speed CMOS inputs.

HCT373A is identical in pinout to the LS373.

The eight latches of the HCT373A are transparent D-type latches. While the Latch Enable is high the Q outputs follow the Data Inputs. When Latch Enable is taken low, data meeting the setup and hold times becomes latched.

The Output Enable does not affect the state of the latch, but when Output Enable is high, all outputs are forced to the high-impedance state. Thus, data may be latched even when the outputs are not enabled.

The HCT373A is identical in function to the HCT573A, which has the input pins on the opposite side of the package from the output pins. This device is similar in function to the HCT533A, which has inverting outputs.

  • Output Drive Capability: 15 LSTTL Loads
  • TTL/NMOS-Compatible Input Levels
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 4.5 to 5.5 V
  • Low Input Current: 1.0 mA
  • In Compliance with the Requirements Defined by JEDEC Standard No. 7A
  • Chip Complexity: 196 FETs or 49 Equivalent Gates
  • These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representative.

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MC74HCT373ADTR2G

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CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

Latch

8

4.5

5.5

28

6

$0.2631

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MC74HCT373ADWG

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

Latch

8

4.5

5.5

28

6

$0.3592

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MC74HCT373ADWR2G

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

Latch

8

4.5

5.5

28

6

$0.2727

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NLVHCT373ADWR2G

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

Latch

8

4.5

5.5

28

6

Price N/A

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Reliability Data

Die Related Summary Data

Device: MC74HCT373ADTR2G

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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