74HC253DB NRND

Dual 4-input multiplexer; 3-state

The 74HC253; 74HCT253 is a dual 4-bit multiplexer, each with four binary inputs (nI0 to nI3), an output enable input (nOE) and shared select inputs (S0 and S1). One of the four binary inputs is selected by the select inputs and routed to the output nY. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Not recommended for new designs (NRND), click here for the alternative product.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74HC253DB 74HC253DB,118 935189860118 SOT338-1 Order product
74HC253DB 74HC253DB,112 935189860112 SOT338-1 Order product

Features

  • Non-inverting data path
  • 3-state outputs interface directly with system bus
  • Complies with JEDEC standard no. 7A
  • Common select inputs
  • Separate output enable inputs
  • Input levels:
    • For 74HC253: CMOS level
    • For 74HCT253: TTL level
  • ESD protection:
    • HBM JESD22-A114F exceeds 2000 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

  • Data selectors
  • Data multiplexers

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Package name
74HC253DB
NRND
Not for design in2.0 - 6.0CMOS+/- 7.817low-40~12514842.0SSOP16

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
74HC253DB
NRND
74HC253DB,118
( 9351 898 60118 )
ActiveHC253
SSOP16
(SOT338-1)
SOT338-1SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1
74HC253DB,112
( 9351 898 60112 )
ActiveHC253Bulk Pack

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
74HC253DB
NRND
74HC253DB,11874HC253DB11
74HC253DB
NRND
74HC253DB,11274HC253DB11
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
74HC_HCT253Dual 4-input multiplexer; 3-stateData sheet2017-03-16
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
hchc Spice modelSPICE model2013-05-06
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SSOP-TSSOP-VSO-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SOT338-1plastic, shrink small outline package; 16 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm bodyOutline drawing2018-10-18

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
74HC253DB74HC253DB,118935189860118Reel 13" Q1/T1Order product
74HC253DB74HC253DB,112935189860112Bulk PackOrder product

Sample

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