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54AC245 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54AC245
Description  Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC245 Datasheet(HTML) 5 Page - National Semiconductor (TI)

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DC Characteristics for ’ACT Family Devices (Continued)
54ACT
Symbol
Parameter
V
CC
T
A =
Units
Conditions
(V)
−55˚C to +125˚C
Guaranteed
Limits
I
OZT
Maximum I/O
V
I (OE) = VIL,VIH
Leakage Current
5.5
±5.0
µA
V
I = VCC, GND
V
O = VCC, GND
Note 5: All outputs loaded; thresholds on input associated with output under test.
Note 6: Maximum test duration 2.0 ms, one output loaded at a time.
Note 7: ICC for 54ACT @ 25˚C is identical to 74ACT @ 25˚C.
AC Electrical Characteristics
54AC
V
CC
T
A = −55˚C
Fig.
Symbol
Parameter
(V)
to +125˚C
Units
No.
(Note 8)
C
L = 50 pF
Min
Max
t
PLH
Propagation Delay
3.3
1.0
11.5
ns
A
n to Bn or Bn to An
5.0
1.0
8.5
t
PHL
Propagation Delay
3.3
1.0
10.0
ns
A
n to Bn or Bn to An
5.0
1.0
7.5
t
PZH
Output Enable Time
3.3
1.0
13.5
ns
5.0
1.0
10.0
t
PZL
Output Enable Time
3.3
1.0
14.5
ns
5.0
1.0
10.5
t
PHZ
Output Disable Time
3.3
1.0
13.5
ns
5.0
1.0
10.5
t
PLZ
Output Disable Time
3.3
1.0
14.0
ns
5.0
1.0
10.5
Note 8: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
AC Electrical Characteristics
54ACT
V
CC
T
A = −55˚C
Symbol
Parameter
(V)
to +125˚C
Units
(Note 9)
C
L = 50 pF
Min
Max
t
PLH
Propagation Delay
5.0
1.0
9.0
ns
A
n to Bn or Bn to An
t
PHL
Propagation Delay
5.0
1.0
10.0
ns
A
n to Bn or Bn to An
t
PZH
Output Enable Time
5.0
1.0
12.0
ns
t
PZL
Output Enable Time
5.0
1.0
13.0
ns
t
PHZ
Output Disable Time
5.0
1.0
12.0
ns
t
PLZ
Output Disable Time
5.0
1.0
12.0
ns
Note 9: Voltage Range 5.0 is 5.0V ±0.5V
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