Datasheet
SN54ABTH18502A, SN54ABTH182502A, SN74ABTH18502A, SN74ABTH182502A
SCAN TEST DEVICES
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS164E – AUGUST 1993 – REVISED DECEMBER 1996
30
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 14)1
SN54ABTH18502A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
V
CC
= 4.5 V to 5.5 V,
T
A
= –55°C to 125°C
UNIT
MIN TYP MAX MIN MAX
f
max
CLKAB or CLKBA 100 130 100 MHz
t
PLH
AorB
BorA
1.5 3.1 5 1.5 6
ns
t
PHL
A
or
B
B
or
A
1.5 3.6 5 1.5 6
ns
t
PLH
CLKAB or CLKBA
BorA
1.5 3.7 5.2 1.5 6.4
ns
t
PHL
CLKAB
or
CLKBA
B
or
A
1.5 3.8 5.2 1.5 6.4
ns
t
PLH
LEAB or LEBA
BorA
1.5 3.9 5.5 1.5 6.5
ns
t
PHL
LEAB
or
LEBA
B
or
A
1.5 3.6 5.5 1.5 6.5
ns
t
PZH
OEAB or OEBA
BorA
1.5 4 5.8 1.5 7.5
ns
t
PZL
OEAB
or
OEBA
B
or
A
1.5 4.2 5.8 1.5 7.5
ns
t
PHZ
OEAB or OEBA
BorA
2.8 5.9 7.2 2.8 8.9
ns
t
PLZ
OEAB
or
OEBA
B
or
A
2 4.5 6 2 7.5
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 14)
SN74ABTH18502A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
V
CC
= 4.5 V to 5.5 V,
T
A
= –40°C to 85°C
UNIT
MIN TYP MAX MIN MAX
f
max
CLKAB or CLKBA 100 130 100 MHz
t
PLH
AorB
BorA
1.5 3.1 5 1.5 5.5
ns
t
PHL
A
or
B
B
or
A
1.5 3.6 5 1.5 5.5
ns
t
PLH
CLKAB or CLKBA
BorA
1.5 3.7 5 1.5 5.5
ns
t
PHL
CLKAB
or
CLKBA
B
or
A
1.5 3.8 5 1.5 5.5
ns
t
PLH
LEAB or LEBA
BorA
1.5 3.9 5.5 1.5 6
ns
t
PHL
LEAB
or
LEBA
B
or
A
1.5 3.6 5.5 1.5 6
ns
t
PZH
OEAB or OEBA
BorA
1.5 4 5.8 1.5 7
ns
t
PZL
OEAB
or
OEBA
B
or
A
1.5 4.2 5.8 1.5 7
ns
t
PHZ
OEAB or OEBA
BorA
3 5.9 7 3 8
ns
t
PLZ
OEAB
or
OEBA
B
or
A
2 4.5 6 2 7
ns