74HCT165DB

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


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The 74HC165; 74HCT165 are high-speed Si-gate CMOS devices that comply with JEDEC standard no. 7A. They are pin compatible with Low-power Schottky TTL (LSTTL).

The 74HC165; 74HCT165 are 8-bit parallel-load or serial-in shift registers with complementary serial outputs (Q7 and Q7) available from the last stage. When the parallel load (PL) input is LOW, parallel data from the D0 to D7 inputs are loaded into the register asynchronously.

When PL is HIGH, data enters the register serially at the DS input and shifts one place to the right (Q0 → Q1 → Q2, etc.) with each positive-going clock transition. This feature allows parallel-to-serial converter expansion by tying the Q7 output to the DS input of the succeeding stage.

The clock input is a gated-OR structure which allows one input to be used as an active LOW clock enable (CE) input. The pin assignment for the CP and CE inputs is arbitrary and can be reversed for layout convenience. The LOW-to-HIGH transition of input CE should only take place while CP HIGH for predictable operation. Either the CP or the CE should be HIGH before the LOW-to-HIGH transition of PL to prevent shifting the data when PL is activated.

Features and benefits

  • Asynchronous 8-bit parallel load
  • Synchronous serial input
  • Complies with JEDEC standard no. 7A
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Applications

  • Parallel-to-serial data conversion
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: 74HC165BQ, 74HC165D, 74HC165DB, 74HC165N, 74HC165PW, 74HCT165BQ, 74HCT165D, 74HCT165DB, 74HCT165N, 74HCT165PW
Block diagram: 74HC165BQ, 74HC165D, 74HC165DB, 74HC165N, 74HC165PW, 74HCT165BQ, 74HCT165D, 74HCT165DB, 74HCT165N, 74HCT165PW

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)
74HCT165DBSOT338-1
(SSOP16)		16SSOP16Production144.5 - 5.5HC(T)8lowTTL+/- 4488-bit parallel or serial-in/serial-out shift register; TTL enabled-40~125

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74HCT165DB74HCT165DB,1129351 903 50112Volume productionSOT338-1
(SSOP16) 		TubeHCT165
74HCT165DB74HCT165DB,1189351 903 50118Volume productionSOT338-1
(SSOP16) 		Reel Pack, SMD, 13"HCT165

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT338-1SSOP16plastic shrink small outline package; 16 leads; body width 5.3 mmMO-150 (JEDEC); 2003-02-19

Related documents

Reflow soldering

Wave soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74HCT165DB74HCT165DB,11274HCT165DBweek 12, 20056.621.5105740181268883E811
74HCT165DB74HCT165DB,11874HCT165DBweek 12, 20056.621.5105740181268883E811
Quality and reliability disclaimer

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Documentation for this product

File nameTitleTypeFormatDate
74HC_HCT1658-bit parallel-in/serial-out shift registerData sheetpdf2008-03-14
AN11044Pin FMEA 74HC/74HCT familyApplication notepdf2011-03-16
AN252Live Insertion Aspects of Philips Logic FamiliesApplication notepdf2013-03-13
HCT_USER_GUIDEHC/T User GuideUser manualpdf1997-11-01

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
74HCT165DB9351 903 5011274HCT165DB,112EUARROW EUROPE2,3685/8/2013Buy onlinenot available
   EUAVNET EXPRESS EUROPE1,9505/18/2013Buy online 
   NAMOUSER ELECTRONICS9985/18/2013Buy online 
   NADIGI-KEY CORPORATION5535/18/2013Buy online 
74HCT165DB9351 903 5011874HCT165DB,118      not available

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