SCAN18374T Просмотр технического описания (PDF) - Fairchild Semiconductor
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SCAN18374T Datasheet PDF : 12 Pages
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AC Electrical Characteristics
Scan Test Operation
VCC
TA = +25°C
Symbol
Parameter
(V)
CL = 50 pF
(Note 10)
Min
Typ
tPLH,
tPHL
tPLZ,
tPHZ
tPZL,
tPZH
tPLH,
tPHL
Propagation Delay
TCK to TDO
Disable Time
TCK to TDO
Enable Time
TCK to TDO
Propagation Delay
TCK to Data Out
During Update-DR State
5.0
3.5
3.5
5.0
2.5
2.5
5.0
3.0
3.0
5.0
5.0
5.0
tPLH,
tPHL
Propagation Delay
TCK to Data Out
During Update-IR State
5.0
5.0
5.0
tPLH,
tPHL
Propagation Delay
TCK to Data Out
During Test Logic Reset State
5.0
5.5
5.5
tPLZ,
tPHZ
Propagation Delay
TCK to Data Out
During Update-DR State
5.0
4.0
4.0
tPLZ,
tPHZ
Propagation Delay
TCK to Data Out
During Update-IR State
5.0
5.0
5.0
tPLZ,
tPHZ
Propagation Delay
TCK to Data Out
During Test Logic Reset State
5.0
5.0
5.0
tPZL,
tPZH
Propagation Delay
TCK to Data Out
During Update-DR State
5.0
5.0
5.0
tPZL,
tPZH
Propagation Delay
TCK to Data Out
During Update-IR State
5.0
6.5
6.5
tPZL,
tPZH
Propagation Delay
TCK to Data Out
During Test Logic Reset State
5.0
7.0
7.0
Note 10: Voltage Range 5.0 is 5.0V ± 0.5V.
Note: All Propagation Delays involving TCK are measured from the falling edge of TCK.
Max
13.2
13.2
11.5
11.5
14.5
14.5
18.0
18.0
18.6
18.6
19.9
19.9
16.4
16.4
19.5
19.5
19.9
19.9
18.9
18.9
22.4
22.4
23.8
23.8
TA = −40°C to +85°C
CL = 50 pF
Min
Max
3.5
14.5
3.5
14.5
2.5
11.9
2.5
11.9
3.0
15.8
3.0
15.8
5.0
19.8
5.0
19.8
5.0
20.2
5.0
20.2
5.5
21.5
5.5
21.5
4.0
18.2
4.0
18.2
5.0
20.8
5.0
20.8
5.0
21.5
5.0
21.5
5.0
20.9
5.0
20.9
6.5
24.2
6.5
24.2
7.0
25.7
7.0
25.7
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9
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