Latches & Registers | MM74HC373

3-STATE Octal D-Type Latch

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Overview

The MM74HC373 high speed octal D-type latches utilize advanced silicon-gate CMOS technology. They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus organized system. When the LATCH ENABLE input is HIGH, the Q outputs will follow the D inputs. When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the outputs until LATCH ENABLE returns HIGH again. When a high logic level is applied to the OUTPUT CONTROL input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. The 74HC logic family is speed, function, and pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.

  • This product is general usage and suitable for many different applications.

  • Typical propagation delay: 18 ns
  • Wide operating voltage range: 2 to 6 volts
  • Low input current: 1 µA maximum
  • Low quiescent current: 80 µA maximum (74 Series)
  • Output drive capability: 15 LS-TTL loads

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MM74HC373MTC

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

Latch

8

2

6

9.2

8

$0.322

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MM74HC373MTCX

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CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

Latch

8

2

6

9.2

8

$0.2667

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MM74HC373WM

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

Latch

8

2

6

9.2

8

$0.3584

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MM74HC373WMX

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CAD Model

Pb

A

H

P

SOIC-20W

751BJ

3

260

REEL

1000

N

Latch

8

2

6

9.2

8

$0.3397

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Reliability Data

Die Related Summary Data

Device: MM74HC373MTC

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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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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