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SN74BCT651 Datasheet(PDF) 6 Page - Texas Instruments

Part No. SN74BCT651
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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SN74BCT651 Datasheet(HTML) 6 Page - Texas Instruments

 
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SN74BCT651
OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3STATE OUTPUTS
SCBS054A − AUGUST 1990 − REVISED NOVEMBER 1993
2−6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
fmax
85
85
MHz
tPLH
CLKBA or CLKAB
A or B
3.2
7
10
3.2
11.7
ns
tPHL
CLKBA or CLKAB
A or B
3.9
7.3
10.2
3.9
11.8
ns
tPLH
A or B
B or A
3.2
7.3
10.4
3.2
12.6
ns
tPHL
A or B
B or A
2.7
5.9
8.5
2.7
9.8
ns
tPLH
SAB or SBA†
A or B
2.8
6
8.6
2.8
9.8
ns
tPHL
SAB or SBA†
(with A or B high)
A or B
4.8
9.4
12.8
4.8
15.5
ns
tPLH
SBA or SAB†
A or B
3.9
8.6
12.1
3.9
14.6
ns
tPHL
SBA or SAB†
(with A or B low)
A or B
4.4
8.1
11.1
4.4
12.8
ns
tPZH
OEBA or OEAB
A or B
3.3
7.1
9.8
3.3
12
ns
tPZL
OEBA or OEAB
A or B
3.8
7.8
10.8
3.8
13.1
ns
tPHZ
OEBA or OEAB
A or B
3.6
6.6
9
3.6
10.2
ns
tPLZ
OEBA or OEAB
A or B
2.8
5.8
8.4
2.8
9.6
ns
tPZH
DIR
A or B
2.2
5.1
7.3
2.2
8.3
ns
tPZL
DIR
A or B
2.8
5.9
8.5
2.8
9.7
ns
tPHZ
DIR
A or B
4.2
8
12.8
4.2
15
ns
tPLZ
DIR
A or B
3.8
7.4
10.2
3.8
12.3
ns
† These parameters are measured with the internal output state of the storage register opposite to that of the bus input.
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.


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