參數(shù)資料
型號： 74AC521SJ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： 8-Bit Identity Comparator
中文描述： AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20
封裝： 5.30 MM, EIAJ TYPE2, SOP-20
文件頁數(shù)： 3/8頁
文件大?。?/td> 80K
代理商： 74AC521SJ
3
www.fairchildsemi.com
7
Absolute Maximum Ratings
(Note 2)
Recommended Operating
Conditions
Note 2:
Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, with-
out exception, to ensure that the system design is reliable over its power
supply, temperature, output/input loading variables. Fairchild does not rec-
ommend operation of FACT
circuits outside databook specifications.
DC Electrical Characteristics for AC
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:
I
IN
and I
CC
@ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V V
CC
.
Supply Voltage (V
CC
)
DC Input Diode Current (I
IK
)
V
I
=
0.5V
V
I
=
V
CC
+
0.5V
DC Input Voltage (V
I
)
DC Output Diode Current (I
OK
)
V
O
=
0.5V
V
O
=
V
CC
+
0.5V
DC Output Voltage (V
O
)
DC Output Source
or Sink Current (I
O
)
DC V
CC
or Ground Current
per Output Pin (I
CC
or I
GND
)
Storage Temperature (T
STG
)
Junction Temperature (T
J
)
PDIP
0.5V to
+
7.0V
20 mA
+
20 mA
0.5V to V
CC
+
0.5V
20 mA
+
20 mA
0.5V to V
CC
+
0.5V
±
50 mA
±
50 mA
65
°
C to
+
150
°
C
140
°
C
Supply Voltage (V
CC
)
AC
ACT
Input Voltage (V
I
)
Output Voltage (V
O
)
Operating Temperature (T
A
)
Minimum Input Edge Rate (
V/
t)
AC Devices
V
IN
from 30% to 70% of V
CC
V
CC
@ 3.3V, 4.5V, 5.5V
Minimum Input Edge Rate (
V/
t)
ACT Devices
V
IN
from 0.8V to 2.0V
V
CC
@ 4.5V, 5.5V
2.0V to 6.0V
4.5V to 5.5V
0V to V
CC
0V to V
CC
40
°
C to
+
85
°
C
125 mV/ns
125 mV/ns
Symbol
Parameter
V
CC
(V)
3.0
4.5
5.5
T
A
=
+
25
°
C
Typ
1.5
2.25
2.75
T
A
=
40
°
C to
+
85
°
C
Guaranteed Limits
Units
Conditions
V
IH
Minimum HIGH Level
Input Voltage
2.1
3.15
3.85
2.1
3.15
3.85
V
OUT
=
0.1V
or V
CC
0.1V
V
V
IL
Maximum LOW Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
OUT
=
0.1V
or V
CC
0.1V
V
V
OH
Minimum HIGH Level
Output Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
V
I
OUT
=
50
μ
A
V
IN
=
V
IL
or V
IH
I
OH
=
12 mA
I
OH
=
24 mA
I
OH
=
24 mA (Note 3)
I
OUT
=
50
μ
A
3.0
4.5
2.56
3.86
2.46
3.76
V
5.5
3.0
4.5
4.86
0.1
0.1
4.76
0.1
0.1
V
OL
Maximum LOW Level
Output Voltage
0.002
0.001
V
5.5
0.001
0.1
0.1
V
IN
=
V
IL
or V
IH
I
OL
= 12 mA
I
OL
= 24 mA
I
OL
= 24 mA (Note 3)
3.0
0.36
0.44
4.5
5.5
0.36
0.36
0.44
0.44
V
I
IN
(Note 5)
I
OLD
I
OHD
I
CC
(Note 5)
Maximum Input
5.5
±
0.1
±
1.0
μ
A
V
I
=
V
CC
, GND
Leakage Current
Minimum Dynamic
Output Current (Note 4)
5.5
5.5
75
75
mA
mA
V
OLD
=
1.65V Max
V
OHD
=
3.85V Min
V
IN
=
V
CC
or GND
Maximum Quiescent
Supply Current
5.5
4.0
40.0
μ
A
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