參數(shù)資料
型號: SN74LVTH2952DWRG4
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, PDSO24
封裝: GREEN, PLASTIC, SOIC-24
文件頁數(shù): 13/16頁
文件大?。?/td> 471K
代理商: SN74LVTH2952DWRG4
SN54LVTH2952, SN74LVTH2952
3.3V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3STATE OUTPUTS
SCBS710F OCTOBER 1997 REVISED OCTOBER 2003
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
tw
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
tsu
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
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
TYP
MAX
MIN
MAX
fmax
150
MHz
tPLH
CLKBA or
A or B
1.2
4.8
5.5
1.3
2.9
4.6
5.3
ns
tPHL
CLKBA or
CLKAB
A or B
1.2
4.8
5.5
1.3
3.1
4.6
5.3
ns
tPZH
OEBA or OEAB
A or B
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
A or B
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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