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CD74HC240 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD74HC240
Description  High Speed CMOS Logic Octal Buffer/Line Drivers, Three-State
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC240 Datasheet(HTML) 5 Page - Texas Instruments

   
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5
Switching Specifications CL = 50pF, Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDI-
TIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
HC TYPES
Propagation Delay
tPLH, tPHL
CL = 50pF
Data to Outputs
HC240
2
-
-
100
-
-
125
-
-
150
ns
4.5
-
-
20
-
-
25
-
-
30
ns
CL = 15pF
5
-
8
-
-
-
----
ns
CL = 50pF
6
-
-
17
-
-
21
-
-
26
ns
Data to Outputs
HC241
tPLH, tPHL
CL = 50pF
2
-
-
110
-
-
140
-
-
165
ns
4.5
-
-
22
-
-
28
-
-
33
ns
CL = 15pF
5
-
9
-
-
-
----
ns
CL = 50pF
6
-
-
19
-
-
24
-
-
28
ns
Data to Outputs
HC244
tPLH, tPHL
CL = 50pF
2
-
-
110
-
-
140
-
-
165
ns
4.5
-
-
22
-
-
28
-
-
33
ns
CL = 15pF
5
-
9
-
-
-
----
ns
CL = 50pF
6
-
-
19
-
-
24
-
-
28
ns
Output Enable and Disable
Time
tTHL, tTLH
CL = 50pF
2
-
-
150
-
-
190
-
-
225
ns
4.5
-
-
30
-
-
38
-
-
45
ns
5
-
12
-------
ns
6
-
-26-
-33-
-38
ns
Output Transition Time
tTLH, tTHL
CL = 50pF
2
-
-
60
-
-
75
-
-
90
ns
4.5
-
-
12
-
-
15
-
-
18
ns
6
-
-10-
-13-
-15
ns
Input Capacitance
CI
CL = 50pF
-
10
-
10
-
-
10
-
-
10
pF
Three-State Output
Capacitance
CO
CL = 50pF
-
-
-
20
-
-
20
-
-
20
pF
Power Dissipation Capacitance
(Notes 5, 6)
CPD
CL = 15pF
HC240
5
-
38
-
-
-
----
pF
HC241
5
-
34
-
-
-
----
pF
HC244
5
-
46
-
-
-
----
pF
HCT TYPES
Propagation Delay
Data to Outputs
HCT240
tPHL, tPLH
CL = 50pF
4.5
-
-
22
-
-
28
-
-
33
ns
CL = 15pF
5
-
9
-
-
-
----
ns
Data to Outputs
HCT241
tPHL, tPLH
CL = 50pF
4.5
-
-
25
-
-
31
-
-
38
ns
CL = 15pF
5
-
10
-
-
-
----
ns
Data to Outputs
HCT244
tPHL, tPLH
CL = 50pF
4.5
-
-
25
-
-
31
-
-
38
ns
CL = 15pF
5
-
10
-
-
-
----
ns
CD74HC240, CD74HCT240, CD74HC241, CD74HCT241, CD74HC244, CD74HCT244


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