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SN74ABT543 数据表(PDF) 5 Page - Texas Instruments

部件名 SN74ABT543
功能描述  COTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74ABT543 数据表(HTML) 5 Page - Texas Instruments

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SN54ABT543, SN74ABT543
OCTAL REGISTERED TRANSCEIVERS
WITH 3STATE OUTPUTS
SCBS157A − JANUARY 1991 − REVISED JULY 1994
2−5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
VCC = 5 V,
TA = 25°C
SN54ABT543
SN74ABT543
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration, LEAB or LEBA low
3.5
3.5
3.5
ns
Data before LEAB or LEBA
High
3.5
3.5
3.5
tsu
Setup time
Data before LEAB or LEBA
Low
3
3
3
ns
tsu
Setup time
Data before CEAB or CEBA
High
3.5
3.5
3.5
ns
Data before CEAB or CEBA
Low
3
3
3
th
Hold time
Data after LEAB or LEBA
1†
1†
1†
ns
th
Hold time
Data after CEAB or CEBA
1†
1†
1†
ns
† This data sheet limit may vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT543
SN74ABT543
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A or B
B or A
1.9
4.4
5.9
1.9
1.9
6.9
ns
tPHL
A or B
B or A
1.9
4.4
5.9
1.9
1.9
6.9
ns
tPLH
LEBA or LEAB
A or B
1.6
4.1
5.6
1.6
1.6
6.6
ns
tPHL
LEBA or LEAB
A or B
2.1
4.6
6.1
2.1
2.1
7.1
ns
tPZH
OEBA or OEAB
A or B
1.4
3.9
5.4
1.4
1.4
6.4
ns
tPZL
OEBA or OEAB
A or B
2.5
5
6.5
2.5
2.5
7.5
ns
tPHZ
OEBA or OEAB
A or B
2.5†
5.9
7.4
2.5†
2.5†
8.4
ns
tPLZ
OEBA or OEAB
A or B
3
5.5
7
3
3
8
ns
tPZH
CEBA or CEAB
A or B
1.4
3.9
5.4
1.4
1.4
6.4
ns
tPZL
CEBA or CEAB
A or B
2.5
5
6.5
2.5
2.5
7.5
ns
tPHZ
CEBA or CEAB
A or B
3.2†
5.9
7.4
3.2†
3.2†
8.4
ns
tPLZ
CEBA or CEAB
A or B
3
5.5
7
3
3
8
ns
† This data sheet limit may vary among suppliers.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.


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