74VCX162373MTD datasheet(2/7 Pages) FAIRCHILD

Numer części	74VCX162373MTD

Szczegółowy opis	Low Voltage 16-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs and 26廓 Series Resistors in Outputs

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Producent	FAIRCHILD [Fairchild Semiconductor]

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Connection Diagram

Truth Tables

H

= HIGH Voltage Level

L

= LOW Voltage Level

X

= Immaterial (HIGH or LOW, inputs may not float)

Z

= High Impedance

O0 = Previous O0 before HIGH-to-LOW of Latch Enable

Functional Description

The 74VCX162373 contains sixteen edge D-type latches

with 3-STATE outputs. The device is byte controlled with

each byte functioning identically, but independent of the

other. Control pins can be shorted together to obtain full

16-bit operation. The following description applies to each

byte. When the Latch Enable (LEn) input is HIGH, data on

the In enters the latches. In this condition the latches are

transparent, i.e., a latch output will change state each time

its I input changes. When LEn is LOW, the latches store

information that was present on the I inputs a setup time

preceding the HIGH-to-LOW transition on LEn. The 3-

STATE outputs are controlled by the Output Enable (OEn)

input. When OEn is LOW the standard outputs are in the 2-

state mode. When OEn is HIGH, the standard outputs are

in the high impedance mode but this does not interfere with

entering new data into the latches.

Logic Diagram

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

Inputs

Outputs

LE1

OE1

I0–I7

O0–O7

XH

X

Z

HL

L

HL

H

LL

X

O0

Inputs

Outputs

LE2

OE2

I8–I15

O8–O15

XH

X

Z

HL

L

HL

H

LL

X

O0

Podobny numer części - 74VCX162373MTD

Producent	Numer części	Arkusz danych	Szczegółowy opis
Fairchild Semiconductor	74VCX162373MTD	153Kb / 8P	Low Voltage 16-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs and 26ohm Series Resistors in Outputs
ON Semiconductor	74VCX162373MTD	262Kb / 10P	Low Voltage 16-Bit Transparent Latch Revised June 2005

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