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DM74S373 • DM74S374
DM74S374 Electrical Characteristics
over recommended operating free air temperature (unless otherwise noted)
Note 13: All typicals are at V
CC
= 5V, T
A
= 25°C.
Note 14: Not more than one output should be shorted at a time, and the duration should not exceed one second.
DM74S374 Switching Characteristics
at V
CC
= 5V and T
A
= 25°C
Note 15: C
L
= 5 pF
Symbol Parameter Conditions Min
Typ
Max Units
(Note 13)
V
I
Input Clamp Voltage V
CC
= Min, I
I
= −18 mA −1.2 V
V
OH
HIGH Level V
CC
= Min, I
OH
= Max
2.4 3.2 V
Output Voltage V
IL
= Max, V
IH
= Min
V
OL
LOW Level V
CC
= Min, I
OL
= Max
0.5 V
Output Voltage V
IH
= Min, V
IL
= Max
I
I
Input Current @ Max Input Voltage V
CC
= Max, V
I
= 5.5V 1 mA
I
H
HIGH Level Input Current V
CC
= Max, V
I
= 2.7V 50 µA
I
IL
LOW Level Input Current V
CC
= Max, V
I
= 0.5V −250 µA
I
OZH
Off-State Output Current with V
CC
= Max, V
O
= 2.4V 50 µA
HIGH Level Output Voltage Applied V
IH
= Min, V
IL
= Max
I
OZL
Off-State Output Current with V
CC
= Max, V
O
= 0.5V
−50 µA
LOW Level Output Voltage Applied V
IH
= Min, V
IL
= Max
I
OS
Short Circuit Output Current V
CC
= Max (Note 14) −40 −100 mA
I
CC
Supply Current V
CC
= Max Outputs HIGH 110
mAOutputs LOW 90 140
Outputs Disabled 160
R
L
= 280Ω
Symbol Parameter
From (Input)
C
L
= 15 pF C
L
= 50 pF Units
To (Output) Min Max Min Max
f
MAX
Maximum Clock Frequency 75 75 MHz
t
PLH
Propagation Delay Time
Clock to Any Q 15 15 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Clock to Any Q 17 20 ns
HIGH-to-LOW Level Output
t
PZH
Output Enable Time to
Output Control to Any Q 15 17 ns
HIGH Level Output
t
PZL
Output Enable Time to
Output Control to Any Q 18 23 ns
LOW Level Output
t
PHZ
Output Disable Time from
Output Control to Any Q 9 ns
HIGH Level Output (Note 15)
t
PLZ
Output Disable Time from
Output Control to Any Q 12 ns
LOW Level Output (Note 15)
