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54F109LMQB 查看數據表(PDF) - National ->Texas Instruments

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54F109LMQB Dual JK Positive Edge-Triggered Flip-Flop National-Semiconductor
National ->Texas Instruments National-Semiconductor
54F109LMQB Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
AC Electrical Characteristics (Continued)
See Section 0 for Waveforms and Load Configurations
Symbol
Parameter
74F
TA = +25˚C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
tPLH
tPHL
tPLH
tPHL
Propagation Delay
CPn to Qn or Qn
Propagation Delay
CDn or SDn to
Qn or Qn
3.8
5.3
7.0
4.4
6.2
8.0
3.2
5.2
7.0
3.5
7.0
9.0
54F
TA, VCC = Mil
CL = 50 pF
Min
Max
3.8
9.0
4.4
10.5
3.2
9.0
3.5
11.5
74F
TA, VCC = Com
Fig.
CL = 50 pF
Units No.
Min
Max
3.8
8.0
4.4
9.2
3.2
8.0
3.5
10.5
ns
kk-kk
ns
kk-kk
AC Operating Requirements
See Section 0 for Waveforms
Symbol
Parameter
74F
TA = +25˚C
VCC = +5.0V
Min
Max
ts(H)
Setup Time, HIGH or LOW
3.0
ts(L)
Jn or Kn to CPn
3.0
th(H)
Hold Time, HIGH or LOW
1.0
th(L)
Jn or Kn to CPn
1.0
tw(H)
CPn Pulse Width
4.0
tw(L)
HIGH or LOW
5.0
tw(L)
CDn or SDn Pulse Width,
4.0
LOW
trec
Recovery Time
2.0
CDn or SDn to CP
54F
TA, VCC = Mil
Min
Max
3.0
4.0
1.0
1.0
4.0
5.0
4.0
74F
TA, VCC = Com
Min
Max
3.0
3.0
1.0
1.0
4.0
5.0
4.0
Units
ns
ns
ns
Fig.
No.
kk-kk
kk-kk
kk-kk
2.0
2.0
ns
kk-kk
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are de-
fined as follows:
DSXXX
DSXXX
DSXXX
DSXXX
DSXXX
DSXXX
DSXXX
DSXXX
Book
Extract
End
DS009471-7
5
PrintDate=1997/08/28 PrintTime=11:45:30 10182 ds009471 Rev. No. 1 cmserv Proof
www.national.com
5
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