HEF4043BT

Quad R/S latch with 3-state outputs

The HEF4043B is a quad R/S latch with 3-state outputs with a common output enable input (OE). Each latch has an active HIGH set input (1S to 4S), an active HIGH reset input (1R to 4R) and an active HIGH 3-state output (1Q to 4Q).

When OE is HIGH, the latch output (nQ) is determined by the nR and nS inputs. When OE is LOW, the latch outputs are in the high impedance OFF-state. OE does not affect the state of the latch. The high impedance off-state feature allows common bussing of the outputs.

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.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
HEF4043BT HEF4043BT,653 933372880653 SOT109-1 Order product
HEF4043BT HEF4043BT,652 933372880652 SOT109-1 Order product

Features

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

Target applications

  • Four-bit storage with output enable

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
HEF4043BTProduction4.5 - 15CMOS± 2.4254medium-40~85835.642.1SO16

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
HEF4043BTHEF4043BT,653
( 9333 728 80653 )
ActiveHEF4043BT
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECC
HEF4043BT,652
( 9333 728 80652 )
ActiveHEF4043BTBulk Pack, CECC

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
HEF4043BTHEF4043BT,653HEF4043BT75.32.993.34E811
HEF4043BTHEF4043BT,652HEF4043BT75.32.993.34E811
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
HEF4043BQuad R/S latch with 3-state outputsData sheet2017-03-17
AN11051Pin FMEA HEF4000 familyApplication note2019-01-09
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
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

Support

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Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
HEF4043BTHEF4043BT,653933372880653Reel 13" Q1/T1 CECCOrder product
HEF4043BTHEF4043BT,652933372880652Bulk Pack, CECCOrder product

Sample

As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.