74ABT648 View Datasheet(PDF) - Philips Electronics
Part Name
Description
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74ABT648 Datasheet PDF : 14 Pages
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Philips Semiconductors
Octal bus transceiver/register, inverting (3-State)
Product specification
74ABT648
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1/fMAX
CPBA or
CPAB
VM
VM
VM
An or Bn
tw(H)
tPHL
tw(L)
VM
tPLH
VM
SA00087
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
An or Bn
VM
VM
SBA or SAB
An or Bn
tPHL
VM
tPLH
VM
Bn or An
SA00178
Waveform 3. Propagation Delay, An to Bn or Bn to An and SBA
to An or SAB to Bn
OE
VM
VM
DIR
tPZH
tPHZ
An or Bn
VOH –0.3V
VM
0V
SA00179
Waveform 5. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
SBA or SAB
An or Bn
VM
VM
tPLH
VM
tPHL
VM
An or Bn
An or Bn
SA00088
Waveform 2. Propagation Delay, SAB to Bn or SBA to An
ÉÉÉÉÉÉÉÉÉ An or Bn
VM
VÉÉÉM ÉÉÉÉÉÉÉÉÉÉÉÉVMÉÉÉÉÉÉVMÉÉÉÉÉÉ
ts(H)
th(H)
ts(L)
th(L)
CPBA or
CPAB
tW(L)
VM
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
Waveform 4. Data Setup and Hold Times
SA00090
OE
VM
VM
DIR
tPZL
tPLZ
An or Bn
VM
VOL +0.3V
0V
SA00180
Waveform 6. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
1998 Jun 08
8
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