MC74HC259 데이터 시트보기 (PDF) - Motorola => Freescale

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MC74HC259

8-Bit Addressable Latch 1-of-8 Decoder

Motorola => Freescale 

MC54/74HC259

SWITCHING WAVEFORMS

VCC

DATA IN

GND

tr

DATA IN

tPLH

OUTPUT Q

90%

50%

10%

90%

50%

10%

tTLH

tf

VCC

GND

tPHL

tTHL

ADDRESS

SELECT

OUTPUT Q

50%

50%

tPHL

50%

VCC

GND

VCC

GND

tPLH

Figure 1.

Figure 2.

VCC

DATA IN

VCC

GND

DATA IN

tw

tw

VCC

tw

GND

VCC

ENABLE

50%

50% 50%

RESET

50%

GND

tPHL

tPLH

tPHL

GND

OUTPUT Q

OUTPUT Q

50%

Figure 3.

Figure 4.

DATA IN

OR 50%

ADDRESS

SELECT

ENABLE

th(H)

tsu

50%

Figure 5.

TEST POINT

VCC

GND

th(L)

tsu

VCC

OUTPUT

DEVICE

UNDER

TEST

CL*

GND

* Includes all probe and jig capacitance

Figure 6. Test Circuit

MOTOROLA

4

High–Speed CMOS Logic Data

DL129 — Rev 6

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