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SN54ABT8543 Datasheet(PDF) 23 Page - Texas Instruments

Part # SN54ABT8543
Description  SCAN TEST DEVICES WITH OCTAL REGISTERED BUS TRANSCEIVERS
PDF  31 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

SN54ABT8543 Datasheet(HTML) 23 Page - Texas Instruments

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SN54ABT8543, SN74ABT8543
SCAN TEST DEVICES WITH
OCTAL REGISTERED BUS TRANSCEIVERS
SCBS120E – AUGUST 1991 – REVISED JULY 1996
23
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (test mode) (see Figure 13)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT8543
SN74ABT8543
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
TCK
50
90
50
50
MHz
tPLH
TCK
↓
AorB
3.5
8
9.5
3.5
12.7
3.5
12
ns
tPHL
TCK
↓
A or B
3
7.7
9
3
12
3
11.5
ns
tPLH
TCK
↓
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
tPHL
TCK
↓
TDO
2.5
4.2
5.5
2.5
7
2.5
6.5
ns
tPZH
TCK
↓
AorB
4.5
8.2
9.5
4.5
12.5
4.5
12
ns
tPZL
TCK
↓
A or B
4.5
9
10.5
4.1
13.5
4.5
13
ns
tPZH
TCK
↓
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
tPZL
TCK
↓
TDO
2.5
4.9
6
2.5
7.5
2.5
7
ns
tPHZ
TCK
↓
AorB
3.5
8.4
10.5
3.5
14
3.5
13.5
ns
tPLZ
TCK
↓
A or B
3
8
10.5
3
13.5
3
13
ns
tPHZ
TCK
↓
TDO
3
5.9
7
3
9
3
8.5
ns
tPLZ
TCK
↓
TDO
3
5
6.5
3
8
3
7.5
ns



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