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74ABT845 Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. 74ABT845
Description  8-bit bus interface latch with set and reset 3-State
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74ABT845 Datasheet(HTML) 6 Page - NXP Semiconductors

   
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Philips Semiconductors
Product specification
74ABT845
8-bit bus interface latch with set and reset
(3-State)
1995 Sep 06
6
AC WAVEFORMS
NOTE: For all waveforms, VM = 1.5V.
VM
VM
VM
VM
tPLH
tPHL
PRE
Qn
MR, Dn
SA00254
Waveform 1. Propagation Delay, Data to Output,
Preset to Output, and Master Reset to Output
VM
Dn
VM
VM
VM
VM
VM
LE
ts(H)
th(H)
ts(L)
th(L)
VM
tw(H)
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SA00256
Waveform 3. Data Setup and Hold Times and Latch Enable
Pulse Width
OE
tPZL
tPLZ
VOL +0.3V
Qn
VM
VM
VM
VOL
SA00109
Waveform 5. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
VM
VM
VM
VM
tPLH
tPHL
LE
Qn
Dn
SA00255
Waveform 2. Propagation Delay, Latch Enable
to Output
OE
VM
tPZH
tPHZ
0V
Qn
VM
VM
SA00066
VOH–0.3V
Waveform 4. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
VM
PRE, MR
VM
Qn
tw(L)
VM
tREC
LE
Qn
SA00257
Waveform 6. Master Reset and Preset Pulse Width and Master
Reset and Preset to Latch Enable Recovery Time


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