74F841(2004) 데이터 시트보기 (PDF) - Philips Electronics

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74F841
(Rev.:2004)

10-bit bus interface latches, non-inverting/inverting (3-State)

Philips Electronics 

Philips Semiconductors

10-bit bus interface latches, non-inverting/inverting

(3-State)

Product data

74F841/74F842

AC WAVEFORMS

For all waveforms, VM = 1.5 V.

The shaded areas indicate when the input is permitted to change for predictable output performance.

Dn, LE

Qn

VM

VM

tPLH

tPHL

VM

VM

Dn, LE

Qn

VM

VM

tPHL

tPLH

VM

VM

SF01303

Waveform 1. Propagation delay, non-inverting path

SF01304

Waveform 2. Propagation delay, inverting path

Dn

VM

VM

ts(H) th(H)

VM

VM

ts(L) th(L)

LE

VM

VM

VM

tw(H)

SF01306

Waveform 3. Data set-up and hold times

OEn

Qn, Qn

VM

tPZH

VM

tPHZ

VM

VOH – 0.3 V

0V

SF00509

Waveform 4. 3-State Output Enable time to HIGH level

and Output Disable time from HIGH level

OEn

VM

VM

Qn, Qn

tPZL

tPLZ

VM

3.5V

VOL + 0.3 V

SF00510

Waveform 5. 3-State Output Enable time to LOW level

and Output Disable time from LOW level

2004 Jan 23

8

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