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74LVCH16244AEV

16-bit buffer/line driver; 5 V input/output tolerant; 3-state

The 74LVC16244A; 74LVCH16244A is a 16-bit buffer/line driver with 3-state outputs. The device can be used as four 4-bit buffers, two 8-bit buffers or one 16-bit buffer. The device features four output enables (1OE, 2OE, 3OE and 4OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

The 74LVCH16244A bus hold on data inputs eliminates the need for external pull-up resistors to hold unused inputs.

This product has been discontinued

Features and benefits

  • Wide supply voltage range from 1.2 V to 3.6 V

  • 5 V tolerant inputs/outputs for interfacing with 5 V logic

  • IOFF circuitry provides partial Power-down mode operation

  • CMOS low power consumption

  • Multibyte flow-through standard pin-out architecture

  • Low inductance multiple power and ground pins for minimum noise and ground bounce

  • Direct interface with TTL levels

  • High-impedance when VCC = 0 V

  • All data inputs have bus hold. (74LVCH16244A only)

  • Complies with JEDEC standard:

    • JESD8-7A (1.65 V to 1.95 V)

    • JESD8-5A (2.3 V to 2.7 V)

    • JESD8-C/JESD36 (2.7 V to 3.6 V)

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

  • Specified from -40 °C to +85 °C and -40 °C to +125 °C

Parametrics

Type number Package name
74LVCH16244AEV VFBGA56

Package

All type numbers in the table below are discontinued.

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
74LVCH16244AEV 74LVCH16244AEV,118
(935270792118)		 Obsolete LVCH16244A Standard Procedure Standard Procedure no package information
74LVCH16244AEV,151
(935270792151)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEV,157
(935270792157)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEV,518
(935270792518)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEVE
(935270792551)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEVK
(935270792557)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEV/G;5
(935281129518)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEV/G,5
(935281129551)		 Obsolete LVCH16244A Standard Procedure Standard Procedure
74LVCH16244AEV/G:5
(935281129557)		 Obsolete LVCH16244A Standard Procedure Standard Procedure

Environmental information

All type numbers in the table below are discontinued.

Type number Orderable part number Chemical content RoHS RHF-indicator
74LVCH16244AEV 74LVCH16244AEV,118 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEV,151 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEV,157 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEV,518 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEVE 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEVK 74LVCH16244AEV rhf
74LVCH16244AEV 74LVCH16244AEV/G;5 74LVCH16244AEV rohs rhf rhf
74LVCH16244AEV 74LVCH16244AEV/G,5 74LVCH16244AEV rohs rhf rhf
74LVCH16244AEV 74LVCH16244AEV/G:5 74LVCH16244AEV rohs rhf rhf
Quality and reliability disclaimer

Series

Documentation (4)

File name Title Type Date
74LVC_LVCH16244A 16-bit buffer/line driver; 5 V input/output tolerant; 3-state Data sheet 2024-04-09
AN11009 Pin FMEA for LVC family Application note 2019-01-09
AN263 Power considerations when using CMOS and BiCMOS logic devices Application note 2023-02-07
lvch16244a lvch16244a IBIS model IBIS model 2013-04-09

Support

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Models

File name Title Type Date
lvch16244a lvch16244a IBIS model IBIS model 2013-04-09

How does it work?

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Interactive datasheet