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參數(shù)資料
| 型號： | SN54LVTH2952FK |
| 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, CQCC28 |
| 封裝： | CERAMIC, CC-28 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 220K |
| 代理商： | SN54LVTH2952FK |
SN54LVTH2952, SN74LVTH2952
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS710D – OCTOBER 1997 – REVISED APRIL 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirement over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVTH2952
SN74LVTH2952
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
fclock
Clock frequency
150
MHz
t
Pulse duration
CLK high
3.3
ns
tw
Pulse duration
CLK low
3.3
ns
A or B before CLK
↑
Data high
1.6
2.2
1.5
2.1
t
Setup time
A or B before CLK
↑
Data low
1.6
2.2
1.5
2.1
ns
tsu
Setup time
CE before CLK
↑
Data high
1.6
1.9
1.5
1.8
ns
CE before CLK
↑
Data low
2
2.6
1.9
2.5
th
Hold time
A or B after CLK
↑
1
0.2
1
0.2
ns
th
Hold time
CE after CLK
↑
1.2
0.2
1.2
0.2
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH2952
SN74LVTH2952
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
fmax
150
MHz
tPLH
CLKBA or
AorB
1.2
4.8
5.5
1.3
2.9
4.6
5.3
ns
tPHL
CLKAB
A or B
1.2
4.8
5.5
1.3
3.1
4.6
5.3
ns
tPZH
OEBA or OEAB
AorB
1
4.8
5.9
1.1
2.6
4.6
5.8
ns
tPZL
OEBA or OEAB
A or B
1
4.8
5.9
1.1
3
4.6
5.8
ns
tPHZ
OEBA or OEAB
AorB
1.2
5.6
6
1.3
3.6
5.4
5.9
ns
tPLZ
OEBA or OEAB
A or B
1.5
5.4
5.6
1.6
3.6
5.1
5.3
ns
All typical values are at 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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