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PDF CGS74C2525 Data sheet ( Hoja de datos )

Número de pieza CGS74C2525
Descripción 1-to-8 Minimum Skew Clock Driver
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



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No Preview Available ! CGS74C2525 Hoja de datos, Descripción, Manual

September 1995
CGS74C2525  CGS74CT2525
CGS74C2526  CGS74CT2526
1-to-8 Minimum Skew Clock Driver
The CGS ’C CT2525 is a minimum skew clock driver with
one input driving eight outputs specifically designed for sig-
nal generation and clock distribution applications The ’2525
is designed to distribute a single clock to eight separate
receivers with low skew across all outputs during both the
tPLH and tPHL transitions The ’2526 is similar to the ’2525
but contains a multiplexed clock input to allow for systems
with dual clock speeds or systems where a separate test
clock has been implemented
Features
Y These CGS devices implement National’s FACTTM
family
Y Ideal for signal generation and clock distribution
Y Guaranteed pin to pin and part to part skew
Y Multiplexed clock input (’2526)
Y Guaranteed 2 kV minimum ESD protection
Y Symmetric output current drive of 24 mA for IOL IOH
Y ’CT has TTL-compatible inputs
Y These products are identical to 74AC ACT2525 and
2526
Y Available as Mil Aero versions
54AC ACT2525
54AC ACT2526
Logic Symbols
’2525
Connection Diagrams
Pin Assignment
for DIP and SOIC
’2525
’2526
TL F 10684 – 1
TL F 10684 – 2
’2526
TL F 10684 – 3
TRI-STATE is a registered trademark of National Semiconductor Corporation
FACTTM is a trademark of National Semiconductor Corporation
C1996 National Semiconductor Corporation TL F 10684
RRD-B30M106 Printed in U S A
TL F 10684 – 4
http www national com

1 page




CGS74C2525 pdf
AC Electrical Characteristics Over recommended operating conditions unless specified otherwise
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tOSHL
tOSLH
tOST
tPV
trise
tfall
trise
tfall
Parameter
Propagation Delay
CLK to On (’2525)
Propagation Delay
CLKn to On (’2526)
Propagation Delay
SEL to On (’2526)
Maximum Skew
Common Edge
Output-to-Output (Note 7)
Variation
Maximum Skew
Common Edge
Output-to-Output (Note 7)
Variation
Maximum Skew
Opposite Edge
Output-to-Output (Note 7)
Variation
Maximum Skew
Part-to-Part
Variation (Note 8)
’C2525
’CT2525
’C2526
’CT2526
Maximum
Rise Fall Time
(20% to 80% VCC)
Maximum
Rise Fall Time
(0 8V 2 0V and 2 0V 0 8V)
VCC
Range
(V)
(Note 6)
33
50
33
50
33
50
33
50
33
50
50
50
50
50
CGS74C
TA e a25 C
CL e 50 pF
Min Typ Max
3 0 6 5 11 0
32 50 78
3 0 7 0 13 0
36 55 78
3 0 8 0 14 0
40 65 85
03
02
03
02
04 10
35
50
30
09
54AC
TA e b55 C
to a125 C
CL e 50 pF
Min Max
3 0 11 0
25 82
15
10
15
10
15
10
40
40
CGS74C
TA e b40 C
to a85 C
CL e 50 pF
Min Typ Max
3 0 12 5
29 81
3 0 14 0
33 86
3 0 15 0
35 95
600
500
600
500
10
3 75
11
Units
ns
ns
ns
ps
ps
ns
ns
ns
ns
ns
AC Electrical Characteristics Over recommended operating conditions unless specified otherwise
Symbol
Parameter
VCC
Range
(V)
(Note 6)
tPLH
tPHL
tPLH
tPHL
Propagation Delay
CLK to On (’2525)
Propagation Delay
CLKn to On (’2526)
50
50
CGS74CT
TA e a25 C
CL e 50 pF
Min Typ Max
46 65 90
5 8 8 5 11 1
54ACT
TA e b55 C
to a125 C
CL e 50 pF
Min Max
CGS74CT
TA e b40 C
to a85 C
CL e 50 pF
Min Max
4 0 10 1
5 1 12 4
Units
ns
ns
5 http www national com

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