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PDF 74F109SC Data sheet ( Hoja de datos )
| Número de pieza | 74F109SC | |
| Descripción | Dual JK Positive Edge-Triggered Flip-Flop | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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November 1994
54F/74F109
Dual JK Positive Edge-Triggered Flip-Flop
General Description
The ’F109 consists of two high-speed, completely indepen-
dent transition clocked JK flip-flops. The clocking operation
is independent of rise and fall times of the clock waveform.
The JK design allows operation as a D flip-flop (refer to ’F74
data sheet) by connecting the J and K inputs.
Asynchronous Inputs:
LOW input to SD sets Q to HIGH level
LOW input to CD sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD makes both Q and Q
HIGH
Features
n Guaranteed 4000V minimum ESD protection.
Ordering Code: See Section 0
Commercial
Military
74F109PC
74F109SC (Note 1)
54F109DM (Note 2)
74F109SJ (Note 1)
54F109FM (Note 2)
54F109LM (Note 2)
Package
Number
N16E
J16A
M16A
M16D
W16A
E20A
Package Description
16-Lead (0.300" Wide) Molded Dual-in-Line
16-Lead Ceramic Dual-in-Line
16-Lead (0.150" Wide) Molded Small Outline,
JEDEC
16-Lead (0.300" Wide) Molded Small Outline,
EIAJ
16-Lead Cerpack
16-Lead Ceramic Leadless Chip Carrier, Type C
Note 1: Devices also available in 13" reel. Use suffix = SCX and SJX.
Note 2: Military grade device with environmental and burn-in processing. Use suffix = DMQB, FMQB and LMQB.
Logic Symbols
IEEE/IEC
DSXXX
DS009471-3
DS009471-4
DS009471-6
FAST® and TRI-STATE® are registered trademarks of National Semiconductor Corporation.
© 1997 National Semiconductor Corporation DS009471
PrintDate=1997/08/28 PrintTime=11:45:22 10182 ds009471 Rev. No. 1 cmserv Proof
www.national.com
1
1
1 page  
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
CL = 50 pF
Units
Fig.
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)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(L)
Setup Time, HIGH or LOW
Jn or Kn to CPn
Hold Time, HIGH or LOW
Jn or Kn to CPn
CPn Pulse Width
HIGH or LOW
CDn or SDn Pulse Width,
LOW
3.0
3.0
1.0
1.0
4.0
5.0
4.0
trec Recovery Time
CDn or SDn to CP
2.0
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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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74F109SC.PDF ] | |
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