74VCX162374_05 datasheet(2/8 Pages) FAIRCHILD | Low Voltage 16-Bit D-Type Flip-Flop with 3.6V Tolerant Inputs and Outputs and 26ohm Series Resistors in Outputs

2 page

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Connection Diagram

Truth Tables

HIGH Voltage Level

LOW Voltage Level

Immaterial (HIGH or LOW, inputs may not float)

High Impedance

O0 Previous O0 before HIGH-to-LOW of CP

Functional Description

The 74VCX162374 consists of sixteen edge-triggered flip-

flops with individual D-type inputs and 3-STATE true out-

puts. The device is byte controlled with each byte function-

ing identically, but independent of the other. The control

pins can be shorted together to obtain full 16-bit operation.

Each clock has a buffered clock and buffered Output

Enable common to all flip-flops within that byte. The

description which follows applies to each byte. Each flip-

flop will store the state of their individual I inputs that meet

the setup and hold time requirements on the LOW-to-HIGH

Clock (CPn) transition. With the Output Enable (OEn) LOW,

the contents of the flip-flops are available at the outputs.

When OEn is HIGH, the outputs go to the high impedance

state. Operations of the OEn input does not affect the state

of the flip-flops.

Logic Diagram

Byte 1 (0:7)

Byte 2 (8:15)

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

CP1

OE1

I0–I7

O0–O7

Inputs

Outputs

CP2

OE2

I8–I15

O8–O15

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