參數(shù)資料
型號： SN54LVTH543W
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDFP24
封裝： CERAMIC, DFP-24
文件頁數(shù)： 9/12頁
文件大?。?/td> 228K
代理商： SN54LVTH543W
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
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
t
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
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
MIN
MAX
MIN
MAX
MIN
TYP
MAX
MIN
MAX
tPLH
AorB
BorA
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
AorB
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
AorB
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
AorB
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
AorB
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
AorB
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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