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SN74AHC257N bảng dữ liệu(PDF) 6 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
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SN74AHC257N bảng dữ liệu(HTML) 6 Page - Texas Instruments

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SN54AHC257, SN74AHC257
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
WITH 3-STATE OUTPUTS
SCLS349C – MAY 1996 – REVISED JULY 1998
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
FROM
TO
LOAD
SN54AHC257
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
tPLH*
AorB
Y
CL =15 pF
ns
tPHL*
A or B
Y
CL = 15 pF
ns
tPLH*
A/B
Y
CL =15 pF
ns
tPHL*
A/B
Y
CL = 15 pF
ns
tPZH*
OE
Y
CL =15 pF
ns
tPZL*
OE
Y
CL = 15 pF
ns
tPHZ*
OE
Y
CL =15 pF
ns
tPLZ*
OE
Y
CL = 15 pF
ns
tPLH
AorB
Y
CL =50 pF
ns
tPHL
A or B
Y
CL = 50 pF
ns
tPLH
A/B
Y
CL =50 pF
ns
tPHL
A/B
Y
CL = 50 pF
ns
tPZH
OE
Y
CL =50 pF
ns
tPZL
OE
Y
CL = 50 pF
ns
tPHZ
OE
Y
CL =50 pF
ns
tPLZ
OE
Y
CL = 50 pF
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
FROM
TO
LOAD
SN74AHC257
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
tPLH
AorB
Y
CL =15 pF
ns
tPHL
A or B
Y
CL = 15 pF
ns
tPLH
A/B
Y
CL =15 pF
ns
tPHL
A/B
Y
CL = 15 pF
ns
tPZH
OE
Y
CL =15 pF
ns
tPZL
OE
Y
CL = 15 pF
ns
tPHZ
OE
Y
CL =15 pF
ns
tPLZ
OE
Y
CL = 15 pF
ns
tPLH
AorB
Y
CL =50 pF
ns
tPHL
A or B
Y
CL = 50 pF
ns
tPLH
A/B
Y
CL =50 pF
ns
tPHL
A/B
Y
CL = 50 pF
ns
tPZH
OE
Y
CL =50 pF
ns
tPZL
OE
Y
CL = 50 pF
ns
tPHZ
OE
Y
CL =50 pF
ns
tPLZ
OE
Y
CL = 50 pF
ns


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