參數(shù)資料
型號: SN74LVT2952PWR
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: TSSOP-24
文件頁數(shù): 8/11頁
文件大?。?/td> 245K
代理商: SN74LVT2952PWR
SN54LVT2952, SN74LVT2952
3.3V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3STATE OUTPUTS
SCBS152E MAY 1992 REVISED JULY 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
timing requirement over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVT2952
SN74LVT2952
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
Setup time, A or B before CLK
Data high
2.6
2.9
2.5
2.8
tsu
Setup time, A or B before CLK
Data low
2.6
3.1
2.5
3
ns
tsu
Setup time, CE before CLK
Data high
0.9
0.8
0.9
0.8
ns
Setup time, CE before CLK
Data low
2.5
2.7
2.4
2.7
th
Hold time, A or B after CLK
1.5
0.7
1.5
0.7
ns
th
Hold time, CE after CLK
2.6
2.5
2.6
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVT2952
SN74LVT2952
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
1.3
6.4
2.7
7.4
1.3
3.6
6.1
2.7
7.1
ns
tPHL
CLKBA or
CLKAB
A or B
1.8
6.1
2.7
7
1.8
3.7
6
2.7
6.9
ns
tPZH
OEBA or
A or B
1
6.3
2.6
7.3
1
3.2
5.6
2.6
6.7
ns
tPZL
OEBA or
OEAB
A or B
1.1
6.6
2.9
8.2
1.2
3.2
6.5
2.9
8
ns
tPHZ
OEBA or
A or B
1
7
2.7
7.6
1
4.1
6.3
2.7
6.9
ns
tPLZ
OEBA or
OEAB
A or B
1.6
5.8
1.7
6
1.6
3.3
5.1
1.8
5.3
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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