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54ACTQ646 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACTQ646 Quiet Series Octal Transceiver/Register with 3-STATE Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACTQ646 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
DC Electrical Characteristics for ACTQ (Continued)
Symbol
Parameter
VCC
TA =
(V)
−55˚C to +125˚C
Guaranteed Limits
VOLP
Quiet Output
5.0
1.5
Maximum Dynamic
VOL
VOLV
Quiet Output
5.0
-1.2
Minimum Dynamic
VOL
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: ICC for 54ACTQ @ 25˚C is identical to 74ACQ @ 25˚C.
Note 6: Max number of outputs defined as (n). Data inputs are driven 0V to 3V. One output @ GND.
Units
Conditions
V
(Note 6)
V
(Note 6)
AC Electrical Characteristics
Symbol
Parameter
VCC (V)
(Note 7)
tPLH,
Propagation Delay
5.0
tPHL
Clock to Bus
tPLH,
Propagation Delay
5.0
tPHL
Bus to Bus
tPLH,
Propagation Delay
tPHL
SBA or SAB to An or Bn
5.0
(w/An or Bn HIGH or LOW)
tPZH,
Enable Time
5.0
tPZL
G to An or Bn
tPHZ,
Disable Time
5.0
tPLZ
G to An or Bn
tPZH,
Enable Time
5.0
tPZL
DIR to An or Bn
tPHZ,
Disable Time
5.0
tPLZ
DIR to An or Bn
Note 7: Voltage Range 5.0 is 5.0V ±0.5V
TA = −55˚C to +125˚C
CL = 50 pF
Min
Max
2.0
11.0
2.0
12.0
2.0
12.5
1.5
15.0
1.5
12.0
1.5
15.0
1.5
12.0
Units
ns
ns
ns
ns
ns
ns
ns
AC Operating Requirements
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Bus to Clock
tH
Hold Time, HIGH or LOW
Bus to Clock
tW
Clock Pulse Width
HIGH or LOW
Note 8: Voltage Range 5.0 is 5.0V ±0.5V
VCC (V)
(Note 8)
5.0
5.0
5.0
TA = −55˚C to +125˚C
CL = 50 pF
Guaranteed Minimum
3.0
1.5
4.0
Units
ns
ns
ns
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