74HC75 查看數據表（PDF） - Philips Electronics

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74HC75

Quad bistable transparant latch

Philips Electronics 

Philips Semiconductors

12. Waveforms

74HC75

Quad bistable transparant latch

nD input

VM

nQ output

tPHL

VM

tPLH

tTHL

tTLH

001aab855

VM = 0.5 × VI.

Fig 6. Waveforms showing the data input (nD) to output (nQ) propagation delays and the

output transition times

nD input

VM

nQ output

tPHL

VM

tPLH

tTHL

tTLH

001aab856

VM = 0.5 × VI.

Fig 7. Waveforms showing the data input (nD) to output (nQ) propagation delays and the

output transition times

nD input

LEnn input

VM

tsu

th

VM

tsu

th

9397 750 13816

Product data sheet

nQ output Q = D

Q=D

001aab858

Fig 8.

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

performance.

VM = 0.5 × VI.

Waveforms showing the data set-up and hold times for nD input to LEnn input

Rev. 03 — 12 November 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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