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54ACT245 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACT245 Octal Bidirectional Transceiver with TRI-STATE® Inputs/Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACT245 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
DC Characteristics for ’ACT Family Devices (Continued)
Symbol
Parameter
IOZT
Maximum I/O
Leakage Current
54ACT
VCC
TA =
(V)
−55˚C to +125˚C
Guaranteed
Limits
5.5
±5.0
Units
µA
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.
Conditions
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
AC Electrical Characteristics
Symbol
Parameter
tPLH
tPHL
tPZH
Propagation Delay
An to Bn or Bn to An
Propagation Delay
An to Bn or Bn to An
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
Note 8: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 8)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
54AC
TA = −55˚C
to +125˚C
Fig.
Units
No.
CL = 50 pF
Min
Max
1.0
11.5
ns
1.0
8.5
1.0
10.0
ns
1.0
7.5
1.0
13.5
ns
1.0
10.0
1.0
14.5
ns
1.0
10.5
1.0
13.5
ns
1.0
10.5
1.0
14.0
ns
1.0
10.5
AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
An to Bn or Bn to An
tPHL
Propagation Delay
An to Bn or Bn to An
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
Note 9: Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 9)
5.0
5.0
5.0
5.0
5.0
5.0
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Min
Max
1.0
9.0
1.0
10.0
1.0
12.0
1.0
13.0
1.0
12.0
1.0
12.0
Units
ns
ns
ns
ns
ns
ns
5
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