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CGS74CT2524 Datasheet, PDF (3/6 Pages) National Semiconductor (TI) – 1 to 4 Minimum Skew (300 ps) Clock Driver
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AC Electrical Characteristics
Over recommended operating conditions unless specified otherwise All typical values are measured at VCC e 5V TA e 25 C
CGS74CT2524
Symbol
Parameter
VCC e 4 5V to 5 5V
TA e b40 C to a85 C
CL e 50 pF
RL e 500X
Min
Typ
Max
Units
tPLH
Low-to-High Propagation Delay
35
CLK to On
tPHL
High-to-Low Propagation Delay
35
CLK to On
90
ns
90
ns
Extended AC Electrical Characteristics
Over recommended operating conditions unless specified otherwise All typical values are measured at VCC e 5V TA e 25 C
CGS74CT2524
Symbol
Parameter
VCC e 4 5V to 5 5V
TA e b40 C to a85 C
CL e 50 pF
RL e 500X
Package
Min
Typ
Max
Units
Fmax
tOSHL
Maximum Operating Frequency
Maximum Skew Common Edge
Output-to-Output Variation (Note 1)
M
M (Note 2)
N
100
300
450
500
MHz
ps
tOSLH
Maximum Skew Common Edge
Output-to-Output Variation (Note 1)
M
M (Note 2)
N
300
450
ps
500
tPS
Maximum Skew Pin (Signal)
Transition Variation (Note 3)
10
ns
trise
Rise Time Fall Time
tfall
(from 0 8V to 2 0V 2 0V to 0 8V)
15
ns
THigh
Time High
4
ns
TLow
Time Low
4
ns
Note 1 Output-to-Output Skew is defined as the absolute value of the difference between the actual propagation delay from any outputs within the same packaged
device The specifications apply to any outputs switching in the same direction either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH) or in opposite directions both
HL and LH (tOST) tOSHL and tOSLH are characterized and guaranteed by design 1 MHz
Note 2 Characterized at 66 MHz Parameter guaranteed by design
Note 3 Pin transition skew is the absolute difference between High-to-Low and Low-to-High propagation delay measure at a given output pin
Note 4 Load capacitance includes the test jig
3
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