Philips Semiconductors

Product specification

74F552

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

1991 Jan 02

9

AC WAVEFORMS

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

VM

VM

CPS,

CPR

An, Bn

FS, FR

VM

tPLH

SF01043

VM

tPHL

1/fMAX

Waveform 1. Propagation Delay, Clock Input to Output and

Maximum Clock Frequency

VM

OEAS, OEBR

FS, FR

SF01044

tPHL

VM

Waveform 2. Propagation Delay, Output Enable to Flag Output

OEAS

SF01045

ERROR

Waveform 3. Propagation Delay, Output Enable to ERROR

CPS,

CPR

PARITY

SF01046

ERROR

Waveform 4. Propagation Delay, Clock to PARITY and ERROR

SF01047

An, Bn

CES, CER

PARITY

CPS, CPR

Waveform 5. Data Setup and Hold Times

VM

OEAS, OEBR

CPS,

CPR

SF01048

tREC

VM

Waveform 6. Recovery Time from Output Enable to Clock

OEAS, OEBR

An, Bn

PARITY

0V

SF01049

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

and Output Disable Time from High Level

OEAS, OEBR

An, Bn

PARITY

SF01050

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

and Output Disable Time from Low Level