74AHC164BQ

8-bit serial-in/parallel-out shift register


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The 74AHC164; 74AHCT164 shift register is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7A.

The 74AHC164; 74AHCT164 input signals are 8-bit serial through one of two inputs (DSA or DSB); either input can be used as an active HIGH enable for data entry through the other input. Both inputs must be connected together or an unused input must be tied HIGH.

Data shifts one place to the right on each LOW-to-HIGH transition of the clock input (CP) and enters into output Q0, which is a logical AND of the two data inputs (DSA and DSB) that existed one set-up time prior to the rising clock edge.

A LOW-level on the master reset (MR) input overrides all other inputs and clears the register asynchronously, forcing all outputs LOW.

Features and benefits

  • Balanced propagation delays
  • All inputs have Schmitt-trigger actions
  • Inputs accept voltages higher than VCC
  • Input levels:
    • For 74AHC164: CMOS level
    • For 74AHCT164: TTL level
  • ESD protection:
    • HBM EIA/JESD22-A114E exceeds 2000 V
    • MM EIA/JESD22-A115-A exceeds 200 V
    • CDM EIA/JESD22-C101C exceeds 1000 V
  • Multiple package options
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: 74AHC164BQ, 74AHC164D, 74AHC164PW, 74AHCT164BQ, 74AHCT164D, 74AHCT164PW, 74HC164D, 74HC164DB, 74HC164N, 74HC164PW, 74HCT164BQ, 74HCT164D, 74HCT164DB, 74HCT164N, 74HCT164PW
Block diagram: 74AHC164BQ, 74AHC164D, 74AHC164PW, 74AHCT164BQ, 74AHCT164D, 74AHCT164PW, 74HC164D, 74HC164DB, 74HC164N, 74HC164PW, 74HCT164BQ, 74HCT164D, 74HCT164DB, 74HCT164N, 74HCT164PW

Parametrics of this product

Type numberPackageNr of pinsPackage nameProduct statustpd(ns)VCC(V)FamilyNr of bitsPower dissipation considerationsLogic switching levelsOutput drive capability(mA)fmax(MHz)DescriptionTamb(Cel)
74AHC164BQSOT762-1
(DHVQFN14)		14DHVQFN14Production4.52.0 - 5.5AHC(T)8lowCMOS+/- 81158-bit serial-in/parallel-out shift register-40~125

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74AHC164BQ74AHC164BQ,1159352 833 93115Volume productionSOT762-1
(DHVQFN14) 		Reel Pack, SMD, 7"AC164

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT762-1DHVQFN14plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 14 terminals; body 2.5 x 3 x 0.85 mmMO-241 (JEDEC); 2003-01-27

Related documents

Reflow soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74AHC164BQ74AHC164BQ,11574AHC164BQAlways Pb-free6.621.5105740181268883E811
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Documentation for this product

File nameTitleTypeFormatDate
74AHC_AHCT1648-bit serial-in/parallel-out shift registerData sheetpdf2008-04-24
AN11106Pin FMEA for AHC/AHCT familyApplication notepdf2011-11-04
AN223Ground and VCC Bounce of High-Speed Integrated CircuitsApplication notepdf2013-03-13
AN252Live Insertion Aspects of Philips Logic FamiliesApplication notepdf2013-03-13
AN212Package lead inductance considerations in high-speed applicationsApplication notepdf2013-03-13
AN10156Sorting through the low voltage logic mazeApplication notepdf2013-03-13
ahc164ahc164 IBIS modelIBIS modelibs2013-04-07

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
74AHC164BQ9352 833 9311574AHC164BQ,115NAMOUSER ELECTRONICS2,3955/18/2013Buy online 
   NADIGI-KEY CORPORATION2505/18/2013Buy online 
   NAAVNET EXPRESS AMERICAS1005/20/2013Buy online 
   ASIAElement 14100120/05/2013Buy online 
   JAPANCHIP ONE STOP10005/20/2013Buy online 

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