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SN74BCT2953 Datasheet(PDF) 4 Page - Texas Instruments

Part No. SN74BCT2953
Description  OCTAL BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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SN74BCT2953 Datasheet(HTML) 4 Page - Texas Instruments

   
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SN74BCT2953
OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3STATE OUTPUTS
SCBS105B − DECEMBER 1990 − REVISED NOVEMBER 1993
2−4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
110
0
110
MHz
tw
Pulse duration
CLK high
4.5
4.5
ns
tw
Pulse duration
CLK low
4.5
4.5
ns
tsu
Setup time before CLK
A or B
2.5
2.5
ns
tsu
Setup time before CLK
CLKENAB or CLKENBA
2
2
ns
th
Hold time after CLK
A or B
1.5
1.5
ns
th
Hold time after CLK
CLKENAB or CLKENBA
2
2
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
fmax
110
110
MHz
tPLH
CLKBA or CLKAB
A or B
2.5
6.3
8
2.5
9.5
ns
tPHL
CLKBA or CLKAB
A or B
4.3
7.8
9.4
4.3
10.2
ns
tPZH
OEBA or OEAB
A or B
2.1
5.8
7.3
2.1
8.8
ns
tPZL
OEBA or OEAB
A or B
5.2
10.3
12.1
5.2
14
ns
tPHZ
OEBA or OEAB
A or B
2.3
5.5
7.6
2.3
9.1
ns
tPLZ
OEBA or OEAB
A or B
1.8
5.5
7.1
1.8
7.6
ns
NOTE 3: Load circuits and voltage waveforms are shown in Section 1.


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