74ABT841D Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
74ABT841D Datasheet PDF : 6 Pages
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Philips Semiconductors
10-bit bus interface latch (3-State)
Product specification
74ABT841
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 LE
3
th(H)
th(L)
Hold time, High or Low
Dn to LE
3
tw(H)
tw(L)
LE pulse width
High or Low
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
2.5
1.0
2.5
1.5
0.0
1.5
1.5
0.2
1.5
1.0
–0.8
1.0
3.3
1.9
3.3
UNIT
ns
ns
ns
LE
VM
VM
tw(H)
tPHL
Qn
VM
VM
tPLH
VM
SA00248
Waveform 1. Propagation Delay, Latch Enable Input 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 ÉÉÉÉÉÉÉÉÉÉÉÉVMÉÉÉÉÉÉVMÉÉÉÉÉÉ
ts(H)
th(H)
ts(L)
th(L)
LE
VM
VM
NOTE: The shaded areas indicate when the input is permitted to change
for predictable output performance.
SA00249
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 Sep 06
5
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