h = HIGH Voltage Level one setup time prior to the LOW-to-HIGH Clock Transition
L = LOW Voltage Level
I = LOW Voltage Level one setup time prior to the LOW-to-HIGH Clock Transition
X = Immaterial
= LOW-to-HIGH Clock Transition
Logic Diagram
DS100952-3
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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2
54FCT377
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
Ceramic
V
CC
Pin Potential to
Ground Pin
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Any Output
in the Disabled or
Power-Off State
in the HIGH State
−65˚C to +150˚C
−55˚C to +125˚C
−55˚C to +175˚C
−0.5V to +7.0V
−0.5V to +7.0V
−30 mA to +5.0 mA
Current Applied to Output
in LOW State (Max)
Twice the rated I
OL
(mA)
DC Latchup Source Current
−500 mA
(Across Comm Operating Range)
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Supply Voltage
Military
Minimum Input Edge Rate
Data Input
Enable Input
−55˚C to +125˚C
+4.5V to +5.5V
(∆V/∆t)
50 mV/ns
20 mV/ns
−0.5V to +4.75V
−0.5V to V
CC
DC Electrical Characteristics
Symbol
V
IH
V
IL
V
CD
V
OH
V
OL
I
IH
I
IL
I
OS
I
CCQ
∆I
CC
Parameter
Min
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output LOW Voltage
Input HIGH Current
Input LOW Current
Output Short-Circuit Current
Quiescent Power
Supply Current
Maximum I
CC
/Input
2.0
I
CCD
I
CC
Dynamic I
CC
Total Power Supply
Current
0.4
6.0
mA
mA/
MHz
mA
Max
Max
Max
−60
1.5
54FCT
54FCT
54FCT
54FCT
4.3
2.4
0.2
0.5
5
−5
µA
µA
mA
mA
Max
Max
Max
Max
V
Min
2.0
0.8
−1.2
FCT377
Typ
Max
V
V
V
V
Min
Min
Recognized HIGH Signal
Recognized LOW Signal
I
IN
= −18 mA
I
OH
= −300 uA
I
OH
= −12 mA
I
OL
= 300 uA
I
OL
= 32mA
V
IN
= V
CC
V
IN
= 0.5V
V
OUT
= 0.0V
V
I
= 0.2V or V
I
= 5.3V, V
CC
= 5.5V
V
I
= V
CC
− 2.1V
Data Input V
I
= V
CC
− 2.1V
All Others at V
CC
or GND
Outputs Open
One bit Toggling, 50% Duty Cycle
V
CC
= 5.5V, Outputs Open, f
CP
=
10MHz, 50% Duty Cycle, One bit
Toggling at f
I
= 5 MHz, 50% Duty
Cycle
Units
V
CC
Conditions
Note 1:
Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions
is not implied.
Note 2:
Either voltage limit or current limit is sufficient to protect inputs.
3
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54FCT377
AC Electrical Characteristics
Symbol
Parameter
54FCT
T
A
= −55˚C to +125˚C
V
CC
= 4.5V to 5.5V
C
L
= 50 pF
Min
t
PLH
t
PHL
Propagation Delay
CP to O
n
2.0
2.0
Max
15.0
8.3
ns
Units
Fig.
No.
Figure 4
AC Operating Requirements
54FCT
Symbol
Parameter
T
A
= −55˚C to +125˚C
V
CC
= 4.5V to 5.5V
C
L
= 50 pF
Min
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
Setup Time, HIGH
or LOW D
n
to CP
Hold Time, HIGH
or LOW D
n
to CP
Setup Time, HIGH
or LOW CE to CP
Hold Time, HIGH
or LOW CE to CP
Pulse Width, CP,
HIGH or LOW
4.0
4.0
2.5
2.5
4.5
4.5
2.0
2.0
7.0
7.0
ns
ns
ns
ns
Max
ns
Fig.
Units
No.
Figure 6
Figure 6
Figure 6
Figure 6
Figure 5
Capacitance
Symbol
C
IN
C
OUT
(Note 3)
Parameter
Input Capacitance
Output Capacitance
Max
10
12
Units
pF
pF
V
CC
V
CC
Conditions
= 0V, T
A
= 25˚C
= 5.0V
Note 3:
C
OUT
is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012.
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