参数资料
型号: SN74LVTH543DWE4
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LVT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封装: GREEN, PLASTIC, SOP-24
文件页数: 13/16页
文件大小: 474K
代理商: SN74LVTH543DWE4
SN54LVTH543, SN74LVTH543
3.3V ABT OCTAL REGISTERED TRANSCEIVERS
WITH 3STATE OUTPUTS
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
SN74LVTH543
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration,
LEAB or LEBA low
3.3
ns
A or B before
Data high
0.4
tsu
Setup time
A or B before
LEAB or LEBA
Data low
1
1.5
1
1.5
ns
tsu
Setup time
A or B before
Data high
0.2
ns
A or B before
CEAB or CEBA
Data low
0.7
1.2
0.7
1.2
A or B after
Data high
1.5
0.6
1.5
0.6
th
Hold time
A or B after
LEAB or LEBA
Data low
1.3
1.5
1.3
1.5
ns
th
Hold time
A or B after
Data high
1.6
0.5
1.6
0.5
ns
A or B after
CEAB or CEBA
Data low
1.4
1.6
1.4
1.6
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH543
SN74LVTH543
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
TYP
MAX
MIN
MAX
tPLH
A or B
B or A
1.2
3.9
4.5
1.3
2.5
3.7
4.3
ns
tPHL
A or B
B or A
1.2
3.9
4.5
1.3
2.5
3.7
4.3
ns
tPLH
LE
A or B
1.2
5.1
6.1
1.3
2.9
4.7
5.9
ns
tPHL
LE
A or B
1.2
5.1
6.1
1.3
2.9
4.7
5.9
ns
tPZH
OE
A or B
1
5.1
6.4
1.1
2.9
4.9
6.2
ns
tPZL
OE
A or B
1
5.1
6.4
1.1
3.2
4.9
6.2
ns
tPHZ
OE
A or B
1.9
5.6
6.2
2
3.4
5.3
5.9
ns
tPLZ
OE
A or B
1.9
5.6
6.2
2
3.7
5.3
5.9
ns
tPZH
CE
A or B
1.2
5.5
7
1.3
3.2
5.3
6.8
ns
tPZL
CE
A or B
1.2
5.5
7
1.3
3.5
5.3
6.8
ns
tPHZ
CE
A or B
2.2
5.7
6.2
2.3
3.8
5.4
5.9
ns
tPLZ
CE
A or B
2.2
5.7
5.9
2.3
3.9
5.4
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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