MC74F543DW 查看數據表（PDF） - Motorola => Freescale
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MC74F543DW Datasheet PDF : 4 Pages
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AC ELECTRICAL CHARACTERISTICS
Symbol
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Maximum Clock Frequency
Propagation Delay
Transparent Mode
An to Bn or Bn to An
Propagation Delay
LEBA to An
Propagation Delay
LEAB to Bn
Output Enable Time to
OEBA or OEAB to An or Bn
EBA or EAB to An or Bn
Output Disable Time to
OEBA or OEAB to An or Bn
EBA or EAB to An or Bn
AC OPERATING REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
tw(L)
Parameter
Setup Time, HIGH or LOW
An or Bn to LEBA or LEAB
Hold Time, HIGH or LOW
An to Bn to LEBA or LEAB
Latch Enable, B to A
Pulse Width, LOW
MC74F543
74F
TA = + 25°C
VCC = + 5.0 V
CL = 50 pF
Min
Typ
Max
70
100
3.0
5.5
7.5
3.0
5.0
6.5
4.5
8.5
11
4.5
8.5
11
4.5
8.5
11
4.5
8.5
11
3.0
7.0
9.0
4.0
7.5
10.5
2.5
6.0
8.0
2.0
5.5
7.5
74F
TA = 0°C to + 70°C
VCC = + 5.0 V ± 10%
CL = 50 pF
Min
Max
70
3.0
8.5
3.0
7.5
4.5
12.5
4.5
12.5
4.5
12.5
4.5
12.5
3.0
10
4.0
12
2.5
9.0
2.0
8.5
Unit
MHz
ns
ns
ns
ns
ns
74F
74F
TA = + 25°C
VCC = + 5.0 V
CL = 50 pF
TA = 0°C to + 70°C
VCC = + 5.0 V ± 10%
CL = 50 pF
Min
Typ
Max
Min
Typ
Max
Unit
3.0
3.5
3.0
3.5
ns
3.0
3.5
3.0
3.5
ns
8.0
9.0
ns
FAST AND LS TTL DATA
4-214
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