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CD54HC540 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. CD54HC540
Description  High-Speed CMOS Logic Octal Buffer and Line Drivers, Three-State
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HC540 Datasheet(HTML) 6 Page - Texas Instruments

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6
Switching Specifications CL = 50pF, Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO
85oC
-55oC TO
125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
Propagation Delay
tPLH, tPHL
CL = 50pF
Data to Outputs (540)
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 (541)
tPLZ,tPHZ
CL = 50pF
2
-
-
115
-
145
-
175
ns
4.5
-
-
23
-
29
-
35
ns
CL = 15pF
5
-
9
-
-
-
-
-
ns
CL = 50pF
6
-
-
20
-
25
-
30
ns
Output Enable and Disable
to Outputs (540)
tPLZ,tPHZ
CL = 50pF
2
-
-
160
-
200
-
240
ns
4.5
-
-
32
-
40
-
48
ns
CL = 15pF
5
-
13
-
-
-
-
-
ns
CL = 50pF
6
-
-
27
-
34
-
41
ns
Output Enable and Disable
to Outputs (541)
tPLZ,tPHZ
CL = 50pF
2
-
-
160
-
200
-
240
ns
4.5
-
-
32
-
40
-
48
ns
CL = 15pF
5
-
14
-
-
-
-
-
ns
CL = 50pF
6
-
-
23
-
29
-
35
ns
Output Transition Time
tTHL, tTLH
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
-
-
20
-
20
-
20
-
20
pF
Power Dissipation Capacitance
(Notes 3, 4) (540)
CPD
CL = 15pF
5
-
50
-
-
-
-
-
pF
Power Dissipation Capacitance
(Notes 3, 4) (541)
CPD
CL = 15pF
5
-
48
-
-
-
-
-
pF
HCT TYPES
Propagation Delay
tPHL, tPLH
Data to Outputs (540)
CL = 50pF
4.5
-
-
24
-
30
-
36
ns
CL = 15pF
5
-
9
-
-
-
-
-
ns
Data to Outputs (541)
tPHL, tPLH
CL = 50pF
4.5
-
-
28
-
35
-
42
ns
CL = 15pF
5
-
11
-
-
-
-
-
ns
Output Enable and Disable
to Outputs (540, 541)
tPLZ,tPHZ
CL = 50pF
4.5
-
-
35
-
44
-
53
ns
CL = 15pF
5
-
14
-
-
-
-
-
ns
Output Transition Time
tTLH, tTHL
CL = 50pF
4.5
-
-
12
-
15
-
18
ns
Input Capacitance
CI
CL = 50pF
-
10
-
10
-
10
-
10
pF
CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541


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