74F552 datasheet(9/14 Pages) PHILIPS

9 / 14 page

Philips Semiconductors

Product specification

74F552

Octal registered transceiver with parity and flags (3-State)

1991 Jan 02

AC WAVEFORMS

For all waveforms, VM = 1.5V.

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

CPS,

CPR

An, Bn

FS, FR

tPLH

SF01043

tPHL

tW(L)

tW(H)

1/fMAX

Waveform 1. Propagation Delay, Clock Input to Output and

Maximum Clock Frequency

OEAS, OEBR

FS, FR

SF01044

tPHL

Waveform 2. Propagation Delay, Output Enable to Flag Output

tPLH

tPHL

OEAS

SF01045

ERROR

Waveform 3. Propagation Delay, Output Enable to ERROR

tPLH

tPHL

CPS,

CPR

PARITY

SF01046

ERROR

tPHL

tPLH

Waveform 4. Propagation Delay, Clock to PARITY and ERROR

SF01047

ts(L)

ts(H)

th(L)

th(H)

An, Bn

CES, CER

PARITY

CPS, CPR

Waveform 5. Data Setup and Hold Times

OEAS, OEBR

CPS,

CPR

SF01048

tREC

Waveform 6. Recovery Time from Output Enable to Clock

tPHZ

tPZH

OEAS, OEBR

An, Bn

PARITY

VOH -0.3V

SF01049

Waveform 7. 3-State Output Enable Time to High Level

and Output Disable Time from High Level

tPLZ

tPZL

OEAS, OEBR

An, Bn

PARITY

VOL +0.3V

SF01050

Waveform 8. 3-State Output Enable Time to Low Level

and Output Disable Time from Low Level

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