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參數(shù)資料
| 型號： | SN54LVTH543 |
| 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)： | 6/8頁 |
| 文件大?。?/td> | 125K |
| 代理商： | SN54LVTH543 |
SN54LVTH543, SN74LVTH543
3.3-V ABT OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS704D – AUGUST 1997 – REVISED APRIL 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVTH543
VCC = 3.3 V
±
0.3 V
SN74LVTH543
VCC = 3.3 V
±
0.3 V
VCC = 2.7 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
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
0.4
0.4
0.4
0.4
tsu
Setup time
Data low
1
1.5
1
1.5
ns
A or B before
CEAB or CEBA
↑
Data high
0.2
0.2
0.2
0.2
Data low
0.7
1.2
0.7
1.2
A or B after
LEAB or LEBA
↑
Data high
1.5
0.6
1.5
0.6
th
Hold time
Data low
1.3
1.5
1.3
1.5
ns
A or B after
CEAB or CEBA
↑
Data high
Data low
1.6
1.4
0.5
1.6
1.6
1.4
0.5
1.6
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH543
VCC = 3.3 V
±
0.3 V
SN74LVTH543
VCC = 3.3 V
±
0.3 V
TYP
1.3
2.5
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.7 V
VCC = 2.7 V
UNIT
MIN
1.2
MAX
3.9
MIN
MAX
4.5
MIN
MAX
3.7
MIN
MAX
4.3
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
ns
1.2
3.9
4.5
1.3
2.5
3.7
4.3
LE
A or B
1.2
5.1
6.1
1.3
2.9
4.7
5.9
ns
1.2
5.1
6.1
1.3
2.9
4.7
5.9
OE
A or B
1
5.1
6.4
1.1
2.9
4.9
6.2
ns
1
5.1
6.4
1.1
3.2
4.9
6.2
OE
A or B
1.9
5.6
6.2
2
3.4
5.3
5.9
ns
1.9
5.6
6.2
2
3.7
5.3
5.9
CE
A or B
1.2
5.5
7
1.3
3.2
5.3
6.8
ns
1.2
5.5
7
1.3
3.5
5.3
6.8
CE
A or B
2.2
2.2
5.7
5.7
6.2
5.9
2.3
2.3
3.8
3.9
5.4
5.4
5.9
5.6
ns
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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