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54ABT245 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54ABT245
Description  Octal Bidirectional Transceiver with TRI-STATE Outputs
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54ABT245 Datasheet(HTML) 4 Page - National Semiconductor (TI)

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DC Electrical Characteristics (Continued)
Symbol
Parameter
ABT245
Units
V
CC
Conditions
Min
Typ
Max
I
CCD
Dynamic I
CC
No Load
0.1
mA/
MHz
Max
Outputs Open
(Note 3)
OE = GND, T/R = GND or V
CC
One Bit Toggling, 50% Duty Cycle
(Note 4)
Note 3: Guaranteed but not tested.
Note 4: For 8 bits toggling, ICCD < 0.8 mA/MHz.
DC Electrical Characteristics
Conditions
Symbol
Parameter
Min
Max
Units
V
CC
C
L = 50 pF,
R
L = 500Ω
V
OLP
Quiet Output Maximum Dynamic V
OL
1.1
V
5.0
T
A = 25˚C (Note 5)
V
OLV
Quiet Output Minimum Dynamic V
OL
-0.45
V
5.0
T
A = 25˚C(Note 5)
Note 5: Max number of outputs defined as (n).n−1 data inputs are driven 0V to 3V. One output at LOW.
AC Electrical Characteristics
Symbol
Parameter
54ABT
Units
T
A = −55˚C to +125˚C
V
CC = 4.5V– 5.5V
C
L = 50 pF
Min
Max
t
PLH
Propagation Delay
1.0
4.8
ns
t
PHL
Data to Outputs
1.0
4.8
t
PZH
Output Enable
1.0
6.7
ns
t
PZL
Time
2.0
7.5
t
PHZ
Output Disable
1.7
7.4
ns
t
PLZ
Time
1.7
6.5
Capacitance
Symbol
Parameter
Typ
Units
Conditions
T
A = 25˚C
C
IN
Input Capacitance
5.0
pF
V
CC = 0V (OE , T/R)
C
I/O (Note 6)
I/O Capacitance
11.0
pF
V
CC = 5.0V (An,Bn)
Note 6: CI/O is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012.
www.national.com
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