SN74LVT182502 Datasheet, PDF (32/36 Pages) Texas Instruments – 3.3-V ABT SCAN TEST DEVICES WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS

SN74LVT18502, SN74LVT182502
3.3ĆV ABT SCAN TEST DEVICES
WITH 18ĆBIT UNIVERSAL BUS TRANSCEIVERS
SCBS162F − AUGUST 1993 − REVISED JULY 1996
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (normal mode) (see Figure 14)123
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
CLKAB or CLKBA
A
B
CLKAB
CLKBA
LEAB
LEBA
OEAB or OEBA
OEAB or OEBA
TO
(OUTPUT)
B
A
B
A
B
A
B or A
B or A
SN74LVT182502
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
MIN MAX MIN MAX
90
80
1.5 6.8
8.4
1.5 6.8
7.5
1.5 5.8
7
1.5 5.8
7
2
8
9.7
2
8
8.3
2
7
8.2
2
7
7.9
2.5 9.7
11.5
2.5 7.6
8.3
2.5 8.7
10.1
2.5 7.1
7.8
2 9.1
11
2 9.5
11
3 9.1
10
3 8.9
9.2
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (test mode) (see Figure 14)
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
FROM
(INPUT)
TCK
TCK↓
TCK↓
TCK↓
TCK↓
TCK↓
TCK↓
TO
(OUTPUT)
A or B
TDO
A or B
TDO
A or B
TDO
SN74LVT182502
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
MIN MAX MIN MAX
40
30
3 16.5
19.3
3 16.5
19.3
2
6
7.3
2.5 7.5
8.7
5 18.3
22.5
5 18.3
22.5
1.5 6.2
7.5
2
7
8.3
4 17.7
20.4
4 17.7
20.4
2.5 7.8
9
2
7
8.1
UNIT
MHz
ns
ns
ns
ns
ns
ns
32
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