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CD74HC253M Datasheet, PDF (5/14 Pages) Texas Instruments – High-Speed CMOS Logic Dual 4-Input Multiplexer
◁
CD74HC253, CD74HCT253
Switching Specifications Input tr, tf = 6ns (Continued)
PARAMETER
TEST
VCC
SYMBOL CONDITIONS (V)
25oC
MIN TYP MAX
-40oC TO
85oC
MIN MAX
-55oC TO
125oC
MIN MAX
Data to Outputs
tPLH,
tPHL
CL = 50pF
2
-
- 175 -
220
-
265
4.5
-
-
35
-
44
-
53
Disable Delay Times
CL =15pF
CL = 50pF
tPHZ, tPLZ CL = 50pF
CL = 50pF
CL = 15pF
5
-
14
-
-
-
-
-
6
-
-
30
-
37
-
45
2
-
- 150 -
190
-
225
4.5
-
-
30
-
38
-
45
5
-
12
-
-
-
-
-
Enable Delay Times
tPZH,
tPZL
CL = 50pF
CL = 50pF
CL = 50pF
6
-
-
26
-
33
-
38
2
-
- 110 -
140
-
165
4.5
-
-
22
-
28
-
33
CL = 15pF
5
-
9
-
-
-
-
-
CL = 50pF
6
-
-
19
-
24
-
28
Output Transition Times
tTLH, tTHL CL = 50pF
2
-
-
60
-
75
-
90
4.5
-
-
12
-
15
-
18
6
-
-
10
-
13
-
15
Input Capacitance
CI
-
Three-State Output Capacitance
CO
-
Power Dissipation Capacitance
CPD
-
(Notes 4, 5)
-
-
-
10
-
10
-
10
-
-
-
20
-
20
-
20
5
-
46
-
-
-
-
-
HCT TYPES
Propagation Delay
Select to Outputs
tPLH,
tPHL
CL = 50pF
CL =15pF
Data to Outputs
tPLH,
tPHL
CL = 50pF
CL =15pF
Disable Delay Times
tPLH,
tPHL
CL = 50pF
CL =15pF
Enable Delay Times
tPZH,
tPZL
CL = 50pF
CL =15pF
Output Transition Time
tTLH, tTHL CL = 50pF
Input Capacitance
CIN
-
Three-State Output Capacitance
CO
-
Power Dissipation Capacitance
CPD
-
(Notes 4, 5)
4.5
-
-
40
-
50
-
60
5
-
16
-
-
-
-
4.5
-
-
38
-
48
-
57
5
-
16
-
-
-
-
-
4.5
-
30
-
38
-
45
5
-
12
-
-
-
-
-
4.5
-
-
30
-
38
-
45
5
-
12
-
-
-
-
-
4.5
-
-
12
-
15
-
18
-
-
-
10
-
10
-
10
-
-
-
20
-
20
-
20
5
-
52
-
-
-
-
-
NOTES:
4. CPD is used to determine the dynamic power consumption, per multiplexer.
5. PD = VCC2 fi (CPD + CL) where fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF
5
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