74F377A Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
74F377A Datasheet PDF : 10 Pages
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Philips Semiconductors
Octal D-type flip-flop with enable
Product specification
74F377A
AC CHARACTERISTICS
SYMBOL
PARAMETER
fMAX
tPLH
tPHL
Maximum clock frequency
Propagation delay
CP to Qn
AC SETUP REQUIREMENTS
SYMBOL
PARAMETER
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Setup time, High or Low
Dn to CP
Hold time, High or Low
Dn to CP
Setup time, High or Low
E to CP
Hold time, High or Low
E to CP
Clock Pulse width
High or Low
WAVEFORM
1
1
WAVEFORM
2
2
2
2
1
LIMITS
Tamb = +25oC
VCC = +5.0V
CL = 50pF
RL = 500Ω
MIN
TYP
MAX
Tamb =0oC to +70oC
VCC = +5.0V ±10%
CL = 50pF
RL = 500Ω
MIN
MAX
150
165
120
3.0
5.0
8.0
2.5
9.0
4.5
6.5
9.0
4.0
10.5
LIMITS
Tamb = +25oC
VCC = +5.0V
CL = 50pF
RL = 500Ω
MIN
TYP
MAX
Tamb = 0oC to +70oC
VCC = +5.0V ±10%
CL = 50pF
RL = 500Ω
MIN
MAX
2.5
2.5
2.5
2.5
1.0
1.0
0.0
0.0
3.0
3.0
4.0
4.5
0.0
0.0
0.0
0.0
4.0
5.0
4.0
4.0
UNIT
MHz
ns
UNIT
ns
ns
ns
ns
ns
AC WAVEFORMS
CP VM
1/fmax
tw(H)
tPHL
VM
tw(L)
VM
tPLH
Dn
VM
VM
th
ts
Qn
VM
VM
E
SF00294
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width and Maximum Clock Frequency
CP
NOTE: For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output
performance.
VM VM
ts(L)
th = 0
VM
VM VM
ts(H)
th = 0
VM
Waveform 2. Data and Enable
Setup and Hold Times
SF01237
1996 Mar 12
5
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