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| 型號： | SNJ54LVTH543FK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3.3 V ABT OCTAL REGISTERED TRANSCEIVERS WITH 3 STATE OUTPUTS |
| 中文描述： | 3.3伏生根粉八路注冊三態(tài)輸出的收發(fā)器 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 353K |
| 代理商： | SNJ54LVTH543FK |
SCBS704F AUGUST 1997 REVISED OCTOBER 2003
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.
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| SNJ54LVTH543JT | 3.3 V ABT OCTAL REGISTERED TRANSCEIVERS WITH 3 STATE OUTPUTS |
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