AC Electrical Characteristics
Symbol
Parameter
54ABT
TA −55˚C to +125˚C
Units
=
=
VCC 4.5V to 5.5V
=
CL 50 pF
Min
1.4
1.4
1.7
1.4
1.1
1.5
1.5
1.6
Max
6.5
6.5
7.0
6.3
6.8
6.8
8.5
8.0
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay
Dn to On
ns
ns
ns
ns
Propagation Delay
LE to On
Output Enable Time
Output Disable Time
AC Operating Requirements
Symbol
Parameter
54ABT
Units
=
TA −55˚C to +125˚C
=
VCC 4.5V to 5.5V
=
CL 50 pF
Min
2.4
2.4
2.2
2.2
3.3
Max
ts(H)
Setup Time, HIGH
or LOW Dn to LE
Hold Time, HIGH
or LOW Dn to LE
Pulse Width,
ns
ns
ns
ts(L)
th(H)
th(L)
tw(H)
LE HIGH
Capacitance
Symbol
Parameter
Typ Units Conditions
=
(TA 25˚C)
=
VCC 0V
CIN
Input Capacitance
Output Capacitance
5
pF
pF
=
VCC 5.0V
COUT (Note 5)
11
=
C is measured at frequency f 1 MHz, per MIL-STD-883B, Method 3012.
OUT
Note 5:
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NSC [ National Semiconductor ]
