SN54ABT543A, SN74ABT543A
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS157F – JANUARY 1991 – REVISED MAY 1997
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN54ABT543A
VCC = 5 V,
TA = 25°C
MIN
tw
Pulse duration, LEAB or LEBA low
High
Data before LEAB or LEBA↑
tsu
Setup time
Data before CEAB or CEBA↑
th
Hold time
Data after LEAB or LEBA↑
Data after CEAB or CEBA↑
Low
High
Low
3.5
2.5
3
2.5
3
1
1
MAX
3.5
2.5
3
2.5
3
1
1
ns
ns
ns
MIN
MAX
UNIT
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN74ABT543A
VCC = 5 V,
TA = 25°C
MIN
tw
Pulse duration, LEAB or LEBA low
High
Data before LEAB or LEBA↑
tsu
Setup time
Data before CEAB or CEBA↑
th
Hold time
Data after LEAB or LEBA↑
Data after CEAB or CEBA↑
Low
High
Low
3.5
3.5
3
3.5
3
0.5
0.5
MAX
3.5
3.5
3
3.5
3
0.5
0.5
ns
ns
ns
MIN
MAX
UNIT
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
TI [ TEXAS INSTRUMENTS ]
