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參數(shù)資料
| 型號： | SN54LVT543 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3.3-V ABT OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 的3.3V ABT生根粉八路收發(fā)登記，3態(tài)輸出 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 335K |
| 代理商： | SN54LVT543 |
SN54LVT543, SN74LVT543
3.3-V ABT OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS137D – MAY 1992 – REVISED JULY 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVT543
SN74LVT543
VCC = 3.3 V
±
0.3 V
MIN
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
MIN
VCC = 2.7 V
UNIT
MAX
MIN
MAX
MAX
MIN
MAX
tw
Pulse duration,
LEAB or LEBA low
3.3
3.3
3.3
3.3
ns
A or B before LEAB or
LEBA
↑
Data high
0
0
0
0
tsu
Setup time
Data low
0.8
1.1
0.8
1.1
ns
A or B before CEAB or
CEBA
↑
Data high
0
0
0
0
Data low
0.9
1.2
0.9
1.2
th
Hold time
A or B after LEAB or LEBA
↑
A or B after CEAB or CEBA
↑
1.7
1.8
1.7
1.8
1.7
1.8
1.7
1.8
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVT543
SN74LVT543
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
±
0.3 V
MIN
1
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
MIN
TYP
1
VCC = 2.7 V
UNIT
MAX
4.9
MIN
MAX
5.7
MAX
4.7
MIN
MAX
5.5
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
2.9
ns
1
4.8
6
1
3.3
4.6
5.8
LE
A or B
1
6.1
7.5
1
4
5.9
7.3
ns
1
5.9
7.5
1
4.1
5.7
7.3
OE
A or B
1
6
7.8
1
4.1
5.8
7.6
ns
1.1
6.6
8.4
1.1
4.5
6.4
8.2
OE
A or B
2.4
6.7
7.3
2.4
4.8
6.5
7.1
ns
2
6
6.1
2
4
5.8
5.9
CE
A or B
1
6.2
7.8
1
4.2
6
7.6
ns
1.4
6.9
8.5
1.4
4.7
6.7
8.3
CE
A or B
2.3
6.6
5.6
7.3
5.8
2.3
4.7
3.8
6.4
5.4
7.1
5.6
ns
2
2
All typical values are at VCC = 3.3 V, TA = 25
°
C.
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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