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General description

The 74ALVC373 is an octal D-type transparent latch featuring separate D-type inputs for each latch and 3-state true outputs for bus-oriented applications. A latch enable (LE) input and an outputs enable (OE) input are common to all latches.

When pin LE is HIGH, data at the D-inputs (pins D0 to D7) enters the latches. In this condition, the latches are transparent, that is, a latch output will change each time its corresponding D-input changes. When pin LE is LOW, the latches store the information that was present at the D-inputs one set-up time preceding the HIGH-to-LOW transition of pin LE.

When pin OE is LOW, the contents of the eight latches are available at the Q-outputs (pins Q0 to Q7). When pin OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of input pin OE does not affect the state of the latches.

The 74ALVC373 is functionally identical to the 74ALVC573, but has a different pin arrangement.

Features

  • Wide supply voltage range from 1.65 V to 3.6 V
  • 3.6 V tolerant inputs/outputs
  • CMOS low power consumption
  • Direct interface with TTL levels (2.7 V to 3.6 V)
  • Power-down mode
  • Latch-up performance exceeds 250 mA
  • Complies with JEDEC standards:
    • JESD8-7 (1.65 V to 1.95 V)
    • JESD8-5 (2.3 V to 2.7 V)
    • JESD8B/JESD36 (2.7 V to 3.6 V)
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A 115-A exceeds 200 V

Products/packages

Type numberNorth American Type numberOrdering code (12NC)Product statusPackagePackingMarkingChemical contentLeadfree conversion date
74ALVC373BQ74ALVC373BQ-G9352 855 55115Volume productionSOT764-1
(DHVQFN20)
Reel Pack, SMD, 7"Standard Marking74ALVC373BQ
74ALVC373D74ALVC373D9352 697 30112Volume productionSOT163-1
(SO20)
TubeStandard Marking74ALVC373D
week 30, 2004
74ALVC373D74ALVC373D-T9352 697 30118Volume productionSOT163-1
(SO20)
Tape reel smdStandard Marking74ALVC373D
week 30, 2004
74ALVC373PW74ALVC373PW9352 697 31112Volume productionSOT360-1
(TSSOP20)
TubeStandard Marking74ALVC373PW
week 3, 2005
74ALVC373PW74ALVC373PW-T9352 697 31118Volume productionSOT360-1
(TSSOP20)
Reel Pack, SMD, 13"Standard Marking74ALVC373PW
week 3, 2005

Pricing/ordering/availability

Type numberOrdering code(12NC)Indicative price/unit($)RegionDistributorIn stockInventory dateBuy onlineSamples
74ALVC373BQ9352 855  55115        Order samples
74ALVC373D9352 697  30112  0.2600      Order samples
74ALVC373D9352 697  30118  0.2600      Order samples
74ALVC373PW9352 697  31112  0.2600     not available
74ALVC373PW9352 697  31118  0.2600      Order samples

Block diagrams/pinning

Technical documents

Application Notes

AN240; Interfacing 3 Volt and 5 Volt Applications (15-Sep-95)

Parametrics/similar products

Type numberPackageDescriptionPropagation Delay(ns)VoltageNo. of PinsPower Dissipation ConsiderationsLogic Switching LevelsOutput Drive Capability
74ALVC373DSOT163-1
(SO20)
2.5/3.3V Octal D-Type Transparent Latch (3-State) 2.2@3.3V 1.65-3.6 20 Low Power or Battery Applications TTL +/- 24 mA
74ALVC373PWSOT360-1
(TSSOP20)
2.5/3.3V Octal D-Type Transparent Latch (3-State) 2.2@3.3V 1.65-3.6 20 Low Power or Battery Applications TTL +/- 24 mA

Similar products

74ALVC373 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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