MC54-74HC259A datasheet(5/8 Pages) MOTOROLA

Part #	MC54-74HC259A

Description	8-Bit Addressable Latch 1-of-8 Decoder

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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5 / 8 page

MC54/74HC259A

High–Speed CMOS Logic Data

DL129 — Rev 6

5

MOTOROLA

SWITCHING WAVEFORMS

Figure 1.

DATA IN

OUTPUT Q

tr

tf

VCC

GND

tPHL

tPLH

tTLH

tTHL

90%

50%

10%

90%

50%

10%

DATA IN

ADDRESS

SELECT

VCC

GND

VCC

GND

VCC

GND

50%

tPHL

tPLH

Figure 2.

DATA IN

ENABLE

OUTPUT Q

VCC

GND

VCC

GND

50%

tPHL

tPLH

tw

Figure 3.

VCC

GND

VCC

GND

DATA IN

RESET

OUTPUT Q

tw

50%

tPHL

Figure 4.

DATA IN

OR

ADDRESS

SELECT

ENABLE

50%

VCC

GND

VCC

GND

th(H)

th(L)

tsu

* Includes all probe and jig capacitance

CL*

TEST POINT

DEVICE

UNDER

TEST

OUTPUT

Figure 5.

Figure 6. Test Circuit

OUTPUT Q

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MC54-74HC259A Datasheet(PDF) 5 Page - Motorola, Inc

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