MC54HC597J Просмотр технического описания (PDF) - Motorola => Freescale

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MC54HC597J

8-Bit Serial or Parallel-Input/Serial-Output Shift Register with Input Latch

Motorola => Freescale 

MC54/74HC597

SWITCHING WAVEFORMS

tw

tr

tf

90%

VCC

1/fmax

tw

VCC

LATCH CLOCK

50%

SHIFT CLOCK

50%

10%

GND

GND

tPLH

tPHL

QH

90%

50%

10%

tTLH

tTHL

Figure 1. (Serial Shift/Parallel Load = L)

RESET

tPHL

QH

tw

50%

50%

SHIFT CLOCK

VCC

GND

trec

Figure 3.

tPLH

tPHL

QH

50%

Figure 2. (Serial Shift/Parallel Load = H)

SERIAL SHIFT/

PARALLEL LOAD

QH

tw

50%

tPLH

50%

VCC

50%

GND

tPHL

Figure 4.

VALID

VALID

PARALLEL DATA

VCC

SERIAL DATA

VCC

A/H

50%

GND

INPUT SA

50%

GND

tsu

th

tsu

th

VCC

VCC

LATCH CLOCK

50%

SHIFT CLOCK

50%

GND

GND

Figure 5.

Figure 6.

SERIAL SHIFT/

VCC

PARALLEL LOAD

50%

GND

tsu

SHIFT CLOCK

50%

VCC

GND

Figure 7.

DEVICE

UNDER

TEST

TEST POINT

OUTPUT

CL*

* Includes all probe and jig capacitance

Figure 8. Test Circuit

High–Speed CMOS Logic Data

5

DL129 — Rev 6

MOTOROLA

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