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| 74F552 Datasheet, PDF (9/14 Pages) NXP Semiconductors – Octal registered transceiver with parity and flags 3-State | |||
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Philips Semiconductors
Octal registered transceiver with parity and flags (3-State)
Product specification
74F552
AC WAVEFORMS
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted ot change for predictable output.
CPS, VM
CPR
An, Bn
FS, FR
1/fMAX
tW(H)
tW(L)
tPHL
VM
VM
tPLH
VM
OEAS, OEBR
VM
tPHL
FS, FR
VM
SF01043
Waveform 1. Propagation Delay, Clock Input to Output and
Maximum Clock Frequency
SF01044
Waveform 2. Propagation Delay, Output Enable to Flag Output
OEAS
ERROR
VM
tPHL
VM
tPLH
VM
VM
SF01045
Waveform 3. Propagation Delay, Output Enable to ERROR
CPS, VM
VM
CPR
PARITY
tPLH
VM
VM
tPHL
ERROR
VM
tPHL
tPLH
VM
SF01046
Waveform 4. Propagation Delay, Clock to PARITY and ERROR
An, Bn
CES, CER
PARITY
CPS, CPR
VM
VM
ts(L) th(H)
VM
VM
VM
ts(H) th(L)
VM
SF01047
Waveform 5. Data Setup and Hold Times
OEAS, OEBR
VM
CPS,
CPR
tREC
VM
SF01048
Waveform 6. Recovery Time from Output Enable to Clock
OEAS, OEBR
An, Bn
PARITY
VM
tPZH
VM
VM
tPHZ
VOH -0.3V
0V
SF01049
Waveform 7. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OEAS, OEBR
VM
VM
tPZL
tPLZ
An, Bn
VM
PARITY
VOL +0.3V
SF01050
Waveform 8. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
1991 Jan 02
9
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