74AC521PCNL Fairchild Semiconductor, 74AC521PCNL Datasheet - Page 4
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74AC521PCNL
Manufacturer Part Number
74AC521PCNL
Description
Manufacturer
Fairchild Semiconductor
Type
Identity Comparatorr
Datasheet
1.74AC521PCNL.pdf
(9 pages)
Specifications of 74AC521PCNL
Logic Family
AC
Technology
CMOS
High Level Output Current
-24mA
Low Level Output Current
24mA
Output Function
A=B
Quiescent Current
4uA
Mounting
Through Hole
Pin Count
20
Polarity
Inverting
Abs. Propagation Delay Time
12.5ns
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
6V
Operating Supply Voltage (min)
2V
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Number Of Bits
8
Lead Free Status / RoHS Status
Compliant
www.fairchildsemi.com
V
V
V
V
I
I
I
I
I
t
t
t
t
DC Electrical Characteristics for ACT
IN
CCT
OLD
OHD
CC
Note 6: All outputs loaded; thresholds on input associated with output under test.
Note 7: Maximum test duration 2.0 ms, one output loaded at a time.
AC Electrical Characteristics for AC
Note 8: Voltage Range 3.3 is 3.3V
PLH
PHL
PLH
PHL
IH
IL
OH
OL
Symbol
Symbol
Voltage Range 5.0 is 5.0V
Minimum HIGH Level
Input Voltage
Maximum LOW Level
Input Voltage
Minimum HIGH Level
Output Voltage
Maximum LOW Level
Output Voltage
Maximum Input
Leakage Current
Maximum
I
Minimum Dynamic
Output Current (Note 7)
Maximum Quiescent
Supply Current
Propagation Delay
A
Propagation Delay
A
Propagation Delay
I
Propagation Delay
I
CC
A
A
n
n
/Input
or B
or B
B
B
to O
to O
n
n
to O
to O
A
A
Parameter
A
A
B
B
Parameter
B
B
r
r
0.3V
0.5V
V
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
5.5
5.5
5.5
5.5
5.5
(V)
CC
(Note 8)
0.001
0.001
4.49
5.49
V
Typ
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
1.5
1.5
1.5
1.5
0.6
(V)
CC
T
A
25
4
q
Min
C
3.86
4.86
0.36
0.36
r
3.5
2.5
4.5
3.0
3.0
2.5
3.0
2.0
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
4.0
0.1
Guaranteed Limits
T
C
A
L
T
A
Typ
7.0
5.0
7.5
5.5
5.5
4.0
5.5
4.0
50 pF
25
40
q
C
3.76
4.76
0.44
0.44
r
40.0
q
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
1.5
75
1.0
C to
75
Max
11.0
11.5
8.0
8.5
8.0
6.0
8.0
6.0
85
q
C
T
A
Units
mA
mA
mA
Min
3.0
2.0
3.5
2.5
2.5
2.0
2.5
2.0
P
P
V
V
V
V
V
V
A
A
C
40
L
q
C to
50 pF
V
or V
V
or V
I
V
I
I
I
V
I
I
V
V
V
V
V
or GND
OUT
OH
OH
OUT
OL
OL
OUT
OUT
IN
IN
I
I
OLD
OHD
IN
= 24 mA
= 24 mA (Note 6)
=
=
CC
CC
Max
12.0
12.5
V
V
9.0
9.0
9.0
7.0
9.0
7.0
85
V
V
V
Conditions
CC
CC
50
24 mA
24 mA (Note 6)
1.65V Max
0.1V
0.1V
IL
IL
3.85V Min
CC
q
50
C
, GND
0.1V
0.1V
or V
or V
P
P
A
2.1V
A
IH
IH
Units
ns
ns
ns
ns