dm74ls194a Fairchild Semiconductor, dm74ls194a Datasheet - Page 4

• Manufacturer Part Number: dm74ls194a
• Description: 4-bit Bidirectional Universal Shift Register
• Manufacturer: Fairchild Semiconductor

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f
t
t
t
Switching Characteristics
at V
Note 8: All typicals are at V
Note 9: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 10: With all outputs open, inputs A through D grounded, and 4.5V applied to S0, S1, CLEAR, and the serial inputs, I
ground, then 4.5V applied to CLOCK.
Timing Diagram
MAX
PLH
PHL
PHL
Symbol
CC
5V and T
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
HIGH-to-LOW Output
A
25 C
CC
Typical Clear, Load, Right-Shift, Left-Shift, Inhibit, and Clear Sequences
Parameter
5V, T
A
25 C.
Clock to Any Q
Clock to Any Q
Clear to Any Q
From (Input)
To (Output)
4
C
Min
20
L
50 pF, R
L
CC
2 k
Max
is tested with momentary
26
35
38
Units
MHz
ns
ns
ns