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54AC646 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 54AC646
Description  Octal Transceiver/Register with TRI-STATE Outputs
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC646 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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DC Characteristics for ’AC Family Devices (Continued)
54AC
Symbol
Parameter
V
CC
T
A =
Units
Conditions
(V)
−55˚C to +125˚C
Guaranteed
Limits
I
CC
Maximum Quiescent
5.5
160.0
µA
V
IN = VCC
Supply Current
or GND
I
OZT
Maximum I/O
V
I (OE) = VIL,VIH
Leakage Current
5.5
±10.0
µA
V
I = VCC, GND
V
O = VCC, GND
Note 3: All outputs loaded; thresholds on input associated with output under test.
Note 4: Maximum test duration 2.0 ms, one output loaded at a time.
Note 5: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
ICC for 54AC @ 25˚C is identical to 74AC @ 25˚C.
AC Electrical Characteristics
54AC
V
CC
T
A = −55˚C
Fig.
Symbol
Parameter
(V)
to +125˚C
Units
No.
(Note 6)
C
L = 50 pF
Min
Max
t
PLH
Propagation Delay
3.3
1.0
20.0
ns
Clock to Bus
5.0
1.5
14.0
t
PHL
Propagation Delay
3.3
1.0
17.5
ns
Clock to Bus
5.0
1.5
12.0
t
PLH
Propagation Delay
3.3
1.0
15.0
ns
Bus to Bus
5.0
1.5
10.0
t
PHL
Propagation Delay
3.3
1.0
14.5
ns
Bus to Bus
5.0
1.5
9.5
t
PLH
Propagation Delay
3.3
1.0
17.0
SBA or SAB to A
n or Bn
5.0
1.5
12.0
ns
(w/ A
n or Bn HIGH or LOW)
t
PHL
Propagation Delay
3.3
1.0
17.0
SBA or SAB to A
n or Bn
5.0
1.5
12.0
ns
(w/ A
n or Bn HIGH or LOW)
t
PZH
Enable Time
3.3
1.0
13.0
ns
GtoA
n or Bn
5.0
1.5
9.5
t
PZL
Enable Time
3.3
1.0
15.5
ns
GtoA
n or Bn
5.0
1.5
11.0
t
PHZ
Disable Time
3.3
1.0
14.0
ns
GtoA
n or Bn
5.0
1.5
11.0
t
PLZ
Disable Time
3.3
1.0
13.5
ns
GtoA
n or Bn
5.0
1.5
11.0
t
PZH
Enable Time
3.3
1.0
14.5
ns
DIR to A
n or Bn
5.0
1.5
10.5
t
PZL
Enable Time
3.3
1.0
16.0
ns
DIR to A
n or Bn
5.0
1.5
12.5
t
PHZ
Disable Time
3.3
1.0
14.5
ns
DIR to A
n or Bn
5.0
1.5
12.0
www.national.com
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