74HCT373BQ

Octal D-type transparent latch; 3-state

The 74HC373; 74HCT373 is an octal D-type transparent latch with 3-state outputs. The device features latch enable (LE) and output enable (OE) inputs. When LE is HIGH, data at the inputs enter the latches. In this condition the latches are transparent, a latch output will change each time its corresponding D-input changes. When LE is LOW the latches store the information that was present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the latches. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74HCT373BQ 74HCT373BQ,115 935274584115 SOT764-1 Order product

Features

  • Input levels:
    • For 74HC373: CMOS level
    • For 74HCT373: TTL level
  • 3-state non-inverting outputs for bus oriented applications
  • Common 3-state output enable input
  • Functionally identical to the 74HC563; 74HCT563 and 74HC573; 74HCT573
  • Complies with JEDEC standard no. 7 A
  • ESD protection:
    • HBM JESD22-A114F exceeds 2 000 V
    • MM JESD22-A115-A exceeds 200 V
  • Multiple package options
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Target applications

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)No of bitsPower dissipation considerationsTamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HCT373BQProduction4.5 - 5.5TTL+/- 6148low-40~125789.150DHVQFN20

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
74HCT373BQ74HCT373BQ,115
( 9352 745 84115 )
ActiveHCT373BQ
DHVQFN20
(SOT764-1)
SOT764-1Reel 7" Q1/T1

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74HCT373BQ74HCT373BQ,11574HCT373BQAlways Pb-free84.96.621.51E811
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
74HC_HCT373Octal D-type transparent latch; 3-stateData sheet2017-03-17
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
hchc Spice modelSPICE model2013-05-06
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SOT764-1_115DHVQFN20; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or X Ordering code (12NC) ending 115Packing2013-04-23
SOT764-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm bodyOutline drawing2018-11-14

Support

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Models

File nameTitleTypeDate
hchc Spice modelSPICE model2013-05-06

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
74HCT373BQ74HCT373BQ,115935274584115Reel 7" Q1/T1Order product

Sample

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