MC74F579 查看數據表（PDF） - Motorola => Freescale
零件编号
产品描述 (功能)
比赛名单
MC74F579 Datasheet PDF : 4 Pages
| |||
AC ELECTRICAL CHARACTERISTICS
Symbol
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
Parameter
Maximum Clock Frequency
Propagation Delay
CP to I/On
Propagation Delay
CP to TC
Propagation Delay
U/D to TC
Propagation Delay
CET to TC
Propagation Delay
MR to I/On
Output Enable Time to HIGH or
LOW Level CS, PE to I/On
Output Disable Time to HIGH or
LOW Level CS, PE to I/On
Output Enable Time to HIGH or
LOW Level OE to I/On
Output Disable Time to HIGH or
LOW Level OE to I/On
AC SETUP REQUIREMENTS
Symbol
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw
tw(L)
trec
Parameter
Setup Time, HIGH or LOW
I/On to CP
Hold Time, HIGH or LOW
I/On to CP
Setup Time, HIGH or LOW
PE, SR or CS to CP
Hold Time, HIGH or LOW
PE, SR or CS to CP
Setup Time, HIGH or LOW
CET, CEP to CP
Hold Time, HIGH or LOW
CET, CEP to CP
CP Pulse Width
MR Pulse Width
MR Recovery Time
MC74F579
74F
TA = + 25°C
VCC = + 5.0 V
CL = 50 pF
Min
Typ
Max
100
5.0
10.5
5.0
10.5
4.5
10
5.5
10
3.5
8.0
4.5
8.0
3.5
7.0
3.5
8.0
5.0
10
4.5
10.5
6.5
10.5
3.0
7.5
4.0
9.5
4.0
8.5
6.0
9.5
1.0
6.0
2.5
7.0
74F
TA = 0°C to + 70°C
VCC = +5.0 V ± 10%
CL = 50 pF
Min
Max
80
5.0
11.5
5.0
11.5
4.5
11
5.0
11
3.5
9.0
4.5
9.0
3.5
8.5
3.5
8.5
5.0
11
4.5
11.5
6.0
11.5
3.0
9.0
4.0
11
4.0
9.5
5.0
10.5
1.0
6.5
2.5
8.0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
74F
TA = + 25°C
VCC = + 5.0 V
CL = 50 pF
Min
Typ
Max
3.0
3.0
1.0
1.0
9.5
9.5
0
0
5.0
9.0
0
0
4.5
3.5
4.0
74F
TA = 0°C to + 70°C
VCC = +5.0 V ± 10%
CL = 50 pF
Min
Typ
Max
Unit
4.0
4.0
ns
1.0
1.0
ns
10
10
ns
0
0
ns
5.5
10.5
ns
0
0
ns
6.0
ns
4.5
ns
4.5
ns
FAST AND LS TTL DATA
4-231
Share Link: 