CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
2. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Specifications
TEST
CONDITIONS
PARAMETER
HC TYPES
High Level Input
Voltage
V
IH
-
-
2
4.5
6
Low Level Input
Voltage
V
IL
-
-
2
4.5
6
High Level Output
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
I
I
V
CC
or
GND
V
OL
V
IH
or V
IL
V
OH
V
IH
or V
IL
-0.02
-0.02
-0.02
-
-6
-7.8
0.02
0.02
0.02
-
-6
-7.8
-
2
4.5
6
-
4.5
6
2
4.5
6
-
4.5
6
6
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.98
5.48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.26
0.26
±0.1
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.84
5.34
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.33
0.33
±1
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.7
5.2
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.4
0.4
±1
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
SYMBOL
V
I
(V)
I
O
(mA)
V
CC
(V)
25
o
C
MIN
TYP
MAX
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
MIN
MAX
MIN
MAX
UNITS
3
CD74HC253, CD74HCT253
DC Electrical Specifications
(Continued)
TEST
CONDITIONS
PARAMETER
Quiescent Device
Current
HCT TYPES
High Level Input
Voltage
Low Level Input
Voltage
High Level Output
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
Quiescent Device
Current
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
Three-State Leakage
Current
NOTE:
3. For dual-supply systems theoretical worst case (V
I
= 2.4V, V
CC
= 5.5V) specification is 1.8mA.
I
I
I
CC
∆I
CC
(Note 3)
SYMBOL
I
CC
V
I
(V)
V
CC
or
GND
I
O
(mA)
0
V
CC
(V)
6
25
o
C
MIN
-
TYP
-
MAX
8
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
MIN
-
MAX
80
MIN
-
MAX
160
UNITS
µA
V
IH
V
IL
V
OH
-
-
V
IH
or V
IL
-
-
-0.02
4.5 to
5.5
4.5 to
5.5
4.5
2
-
4.4
-
-
-
-
0.8
-
2
-
4.4
-
0.8
-
2
-
4.4
-
0.8
-
V
V
V
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
V
OL
V
IH
or V
IL
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
V
CC
and
GND
V
CC
or
GND
V
CC
-2.1
V
IL
or V
IH
0
0
-
5.5
5.5
4.5 to
5.5
5.5
-
-
-
-
-
100
±0.1
8
360
-
-
-
±1
80
450
-
-
-
±1
160
490
µA
µA
µA
I
OZ
V
O
=
V
CC
or
GND
-
-
±0.5
-
±5
-
±10
µA
HCT Input Loading Table
INPUT
1I
O
- 1I
3
, 2I
O
-2l
3
1E
O
, 2E
O
, S
0
, S
1
UNIT LOADS
0.4
1
NOTE: Unit Load is
∆I
CC
limit specified in DC Electrical Table, e.g.,
360µA max at 25
o
C.
Switching Specifications
Input t
r
, t
f
= 6ns
TEST
SYMBOL CONDITIONS
V
CC
(V)
25
o
C
MIN
TYP
MAX
-40
o
C TO
85
o
C
MIN
MAX
-55
o
C TO
125
o
C
MIN
MAX
UNITS
PARAMETER
HC TYPES
Propagation Delay
Select to Outputs
t
PLH,
t
PHL
C
L
= 50pF
2
4.5
-
-
-
-
-
-
14
-
175
35
-
30
-
-
-
-
220
44
-
37
-
-
-
-
265
53
-
45
ns
ns
ns
ns
C
L
=15pF
C
L
= 50pF
5
6
4
CD74HC253, CD74HCT253
Switching Specifications
Input t
r
, t
f
= 6ns
(Continued)
25
o
C
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
14
-
-
-
12
-
-
-
9
-
-
-
-
-
-
46
MAX
175
35
-
30
150
30
-
26
110
22
-
19
60
12
10
10
20
-
-40
o
C TO
85
o
C
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
220
44
-
37
190
38
-
33
140
28
-
24
75
15
13
10
20
-
-55
o
C TO
125
o
C
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
265
53
-
45
225
45
-
38
165
33
-
28
90
18
15
10
20
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF
PARAMETER
Data to Outputs
TEST
SYMBOL CONDITIONS
t
PLH,
t
PHL
C
L
= 50pF
V
CC
(V)
2
4.5
C
L
=15pF
C
L
= 50pF
Disable Delay Times
t
PHZ,
t
PLZ
C
L
= 50pF
C
L
= 50pF
CL = 15pF
C
L
= 50pF
Enable Delay Times
t
PZH
,
t
PZL
C
L
= 50pF
CL = 50pF
CL = 15pF
CL = 50pF
Output Transition Times
t
TLH
, t
THL
C
L
= 50pF
5
6
2
4.5
5
6
2
4.5
5
6
2
4.5
6
Input Capacitance
Three-State Output Capacitance
Power Dissipation Capacitance
(Notes 4, 5)
HCT TYPES
Propagation Delay
Select to Outputs
C
I
C
O
C
PD
-
-
-
-
-
5
t
PLH
,
t
PHL
C
L
= 50pF
C
L
=15pF
4.5
5
4.5
5
4.5
5
4.5
5
4.5
-
-
5
-
-
-
-
-
-
-
-
-
-
-
-
-
16
-
16
40
-
38
-
30
-
-
-
-
-
-
-
-
-
-
-
-
50
-
-
60
-
57
-
45
-
45
-
18
10
20
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF
Data to Outputs
t
PLH
,
t
PHL
t
PLH
,
t
PHL
t
PZH
,
t
PZL
C
L
= 50pF
C
L
=15pF
C
L
= 50pF
C
L
=15pF
C
L
= 50pF
C
L
=15pF
48
-
38
-
38
-
15
10
20
-
-
-
-
-
-
-
-
-
-
-
Disable Delay Times
12
-
12
-
-
-
52
-
30
-
12
10
20
-
Enable Delay Times
Output Transition Time
Input Capacitance
Three-State Output Capacitance
Power Dissipation Capacitance
(Notes 4, 5)
NOTES:
t
TLH
, t
THL
C
L
= 50pF
C
IN
C
O
C
PD
-
-
-
4. C
PD
is used to determine the dynamic power consumption, per multiplexer.
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