74ALVC162838T datasheet(2/6 Pages) FAIRCHILD

Part #	74ALVC162838T

Description	Low Voltage 16-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs/Outputs and 26??Series Resistors in the Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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Connection Diagram

Truth Table

H

= Logic HIGH

L

= Logic LOW

X

= Don’t Care, but not floating

Z

= High Impedance

↑ = LOW-to-HIGH Clock Transition

Functional Description

The 74ALVC162838 consists of sixteen selectable non-

inverting buffers or registers with word wide modes. Mode

functionality is selected through operation of the CLK and

REGE pin as shown by the truth table. When REGE is held

at a logic HIGH the device operates as a 16-bit register.

Data is transferred from In to On on the rising edge of the

CLK input. When the REGE pin is held at a logic LOW the

device operates in a flow through mode and data propa-

gates directly from the I to the O outputs. All outputs can be

3-stated by holding the OE pin at a logic HIGH.

Logic Diagram

Inputs

Outputs

CLK

REGE

In

OE

On

↑

HH

L

H

↑

HL

L

XL

H

L

H

X

LLL

L

XXX

H

Z

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74ALVC162838T Datasheet(PDF) 2 Page - Fairchild Semiconductor

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