74ABT373A Просмотр технического описания (PDF) - Philips Electronics
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74ABT373A Datasheet PDF : 11 Pages
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Philips Semiconductors
Octal transparent latch (3-State)
Product specification
74ABT373A
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time, High or Low
Dn to E
3
th(H)
th(L)
Hold time, High or Low
Dn to E
3
tw(H)
E pulse width
High
1
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
LIMITS
Tamb = +25oC
VCC = +5.0V
Min
Typ
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
Min
1.5
0.7
1.5
1.0
0.4
1.0
1.0
0.0
1.0
1.0
–0.5
1.0
2.5
1.7
2.5
UNIT
ns
ns
ns
E
VM
VM
VM
tw(H)
tPHL
Qn
VM
tPLH
VM
SA00063
Waveform 1. Propagation Delay, Enable to Output, and Enable
Pulse Width
OE
VM
VM
tPZH
tPHZ
Qn
VM
VOH–0.3V
0V
SA00066
Waveform 4. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
Dn
VM
VM
tPLH
tPHL
Qn
VM
VM
SA00064
Waveform 2. Propagation Delay for Data to Outputs
Dn ÉÉÉÉÉÉÉÉÉVM ÉÉÉVM ÉÉÉÉÉÉÉÉÉÉÉÉVÉÉÉM ÉÉÉVMÉÉÉÉÉÉÉÉÉ
ts(H)
th(H)
ts(L)
th(L)
E
VM
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SA00065
Waveform 3. Data Setup and Hold Times
OE
VM
VM
tPZL
tPLZ
Qn
VM
VOL+0.3V
0V
SA00067
Waveform 5. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
1995 Feb 17
6
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