CD74HCT4094E 데이터 시트보기 (PDF) - Harris Semiconductor

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CD74HCT4094E

High Speed CMOS Logic 8-Stage Shift and Store Bus Register, Three-State

Harris Semiconductor 

CD74HC4094, CD74HCT4094

Test Circuits and Waveforms

6ns

CLOCK

tSU

tH

6ns

90%

VS

10%

tW

VS

tW

INPUT LEVEL

GND

INPUT LEVEL

SERIAL IN

Qn, QS1

tPLH

QS2

VS

tPLH

VS

tPHL

GND

VOH

VOL

tPHL

VOH

VOL

FIGURE 1. DATA PROPAGATION DELAYS, SET-UP AND HOLD TIMES

SERIAL IN

CLOCK

STROBE

Qn

INPUT LEVEL

tSU

tH

VS

tW

VS

tPLH, tPHL

VS

GND

INPUT LEVEL

VS

GND

VOH

VOL

VOH

VOL

FIGURE 2. STROBE PROPAGATION DELAYS AND SET-UP

AND HOLD TIMES

tr = 6ns

OE

tPLZ

OUTPUT

LOW TO OFF

tPHZ

OUTPUT

HIGH TO OFF

OUTPUTS

CONNECTED

tf = 6ns

90%

VS

10%

tPZL

10%

90%

VS

tPZH

VS

OUTPUTS

DISCONNECTED

OUTPUTS

CONNECTED

FIGURE 3. ENABLE AND DISABLE TIMES

8

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