SN74LVT182502 Datasheet, PDF (28/36 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
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
CLKAB or CLKBA
A or B
CLKAB or CLKBA
LEAB or LEBA
OEAB or OEBA
OEAB or OEBA
TO
(OUTPUT)
B or A
B or A
B or A
B or A
B or A
SN74LVT18502
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
MIN MAX MIN MAX
90
80
1.5 5.5
6.1
1.5 5.5
6.1
2 6.6
7.4
2 6.4
7
2.5 8.2
9.2
2.5 6.5
7
2
8
9
2 8.2
9.2
3 8.3
9
3 7.3
7.8
UNIT
MHz
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
SN74LVT18502
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
MIN MAX MIN MAX
50
40
3
14
17
3
14
17
2 5.5
6.5
2.5 6.5
7.5
5 16.2
19.3
5
16
18.7
1.5 5.5
6.5
2
6
7
4 16.1
18.5
4 15.3
17.5
2.5
7
8.5
2 7.5
8
UNIT
MHz
ns
ns
ns
ns
ns
ns
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