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參數資料
| 型號： | MN54ACQ244-X |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Octal Buffers/Line Drivers With TRI-State Outputs |
| 中文描述： | 八路緩沖器/線路驅動器具有三態輸出 |
| 文件頁數： | 5/8頁 |
| 文件大小： | 140K |
| 代理商： | MN54ACQ244-X |
DC Electrical Characteristics for ’ACTQ Family Devices
(Continued)
54ACTQ
55C to +125C
Guaranteed Limits
50
Symbol
Parameter
V
CC
(V)
5.5
Units
Conditions
I
OLD
Minimum Dynamic
(Note 10)
Output Current
Maximum Quiescent
Supply Current
Quiet Output
Maximum Dynamic V
OL
Quiet Output
Minimum Dynamic V
OL
mA
V
OLD
= 1.65V Max
I
OHD
I
CC
5.5
5.5
50
80.0
mA
μA
V
OHD
= 3.85V Min
V
IN
= V
CC
or GND (Note 11)
(Notes 12, 13)
V
OLP
5.0
1.5
V
V
OLV
5.0
1.2
V
(Notes 12, 13)
Note 9:
All outputs loaded thresholds on input associated with output under test.
Note 10:
Maximum test duration 2.0 ms, one output loaded at a time.
Note 11:
I
CC
for 54ACTQ
@
25C is identical to 74ACTQ
@
25C.
Note 12:
Plastic DIP package.
Note 13:
Max number of outputs defined as (n). Data Inputs are driven 0V to 3V. One output
@
GND.
AC Electrical Characteristics
54ACQ
T
A
= 55C
to +125C
C
L
= 50 pF
Min
1.0
1.0
1.0
1.0
1.0
1.0
V
CC
(V)
Fig.
No.
Symbol
Parameter
Units
(Note 14)
Max
12.5
9.0
12.0
10.0
11.5
10.0
t
PHL,
t
PLH
Propagation Delay
Data to Output
Output Enable Time
3.3
5.0
3.3
5.0
3.3
5.0
ns
t
PZL,
t
PZH
ns
t
PHZ,
t
PLZ
Output Disable Time
ns
Note 14:
Voltage Range 5.0 is 5.0V
±
0.5V.
Voltage Range 3.3 is 3.3V
±
0.3V.
Note 15:
Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci-
fication applies to any outputs switching in the same direction, either HIGH to LOW (t
OSHL
) or LOW to HIGH (t
OSLH
). Parameter guaranteed by design.
AC Electrical Characteristics
54ACTQ
T
A
= 55C
to +125C
C
L
= 50 pF
Min
1.5
V
CC
(V)
Fig.
No.
Symbol
Parameter
Units
(Note 16)
Max
9.0
t
PHL
, t
PLH
Propagation Delay
Data to Output
Output Enable Time
Output Disable Time
5.0
ns
t
PZL
, t
PZH
t
PHZ
, t
PLZ
5.0
5.0
1.5
1.5
10.5
10.5
ns
ns
Note 16:
Voltage Range 5.0 is 5.0V
±
0.5V.
Note 17:
Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci-
fication applies to any outputs switching in the same direction, either HIGH to LOW (t
OSHL
) or LOW to HIGH (t
OSLH
). Parameter guaranteed by design.
5
www.national.com
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