HEF4027B

Dual JK flip-flop

The HEF4027B is a edge-triggered dual JK flip-flop which features independent set-direct (SD), clear-direct (CD), clock (CP) inputs and outputs (Q, Q). Data is accepted when CP is LOW, and transferred to the output on the positive-going edge of the clock. The active HIGH asynchronous clear-direct (CD) and set-direct (SD) inputs are independent and override the J, K, and CP inputs. The outputs are buffered for best system performance. Schmitt trigger action makes the clock input highly tolerant of slower rise and fall times.

It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.

Features

  • Fully static operation
  • 5 V, 10 V, and 15 V parametric ratings
  • Standardized symmetrical output characteristics
  • Specified from -40 ºC to +85 ºC
  • Complies with JEDEC standard JESD 13-B

Target applications

  • Registers
  • Counters
  • Control circuits

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
HEF4027BTProduction4.5 - 15.5CMOS± 2.43030low-40~85825.441.5SO16

Package

Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
HEF4027BT
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActiveHEF4027BTHEF4027BT,653
( 9333 727 90653 )
Bulk Pack, CECCActiveHEF4027BTHEF4027BT,652
( 9333 727 90652 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
HEF4027BTHEF4027BT,653HEF4027BTweek 6, 200475.32.993.34E811
HEF4027BTHEF4027BT,652HEF4027BTweek 6, 200475.32.993.34E811
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
HEF4027BDual JK flip-flopData sheet2017-03-17
AN11051Pin FMEA HEF4000 familyApplication note2019-01-09
SOT109-1_431SO16; Reel sulfur barrier pack, SMD, 13" Q1/T1 standard product orientation Orderable part number ending ,431 or Z Ordering code (12NC) ending 431Packing2016-08-25
SOT109-1_118SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packing2013-04-24
SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm bodyOutline drawing2018-10-18
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08

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Ordering, pricing & availability

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