74LVC16245A データシートの表示（PDF） - NXP Semiconductors.

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74LVC16245A

16-bit bus transceiver with direction pin; 5 V tolerant; 3-state

NXP Semiconductors. 

74LVC16245A; 74LVCH16245A

16-bit bus transceiver with direction pin; 5 V tolerant; 3-state

Rev. 08 — 6 November 2008

Product data sheet

1. General description

The 74LVC16245A; 74LVCH16245A are 16-bit transceivers featuring non-inverting

3-state bus compatible outputs in both send and receive directions. The device features

two output enable (nOE) inputs for easy cascading and two send/receive (nDIR) inputs for

direction control. nOE controls the outputs so that the buses are effectively isolated. This

device can be used as two 8-bit transceivers or one 16-bit transceiver.

Inputs can be driven from either 3.3 V or 5 V devices. When disabled, up to 5.5 V can be

applied to the outputs. These features allow the use of these devices in mixed

3.3 V and 5 V applications.

The 74LVCH16245A bus hold on data inputs eliminates the need for external pull-up

resistors to hold unused inputs.

2. Features

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

I Wide supply voltage range from 1.2 V to 3.6 V

I CMOS low power consumption

I MULTIBYTE flow-through standard pin-out architecture

I Low inductance multiple power and ground pins for minimum noise and ground

bounce

I Direct interface with TTL levels

I High-impedance when VCC = 0 V

I All data inputs have bus hold. (74LVCH16245A only)

I Complies with JEDEC standard JESD8-B / JESD36

I ESD protection:

N HBM JESD22-A114E exceeds 2000 V

N CDM JESD22-C101C exceeds 1000 V

I Specified from −40 °C to +85 °C and −40 °C to +125 °C

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