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SN74AHC240PWR Datasheet(数据表) 4 Page - Texas Instruments

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部件型号  SN74AHC240PWR
说明  OCTAL BUFFERS.DRIVERS WITH 3-STATE OUTPUTS
下载  16 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
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SN74AHC240PWR Datasheet(HTML) 4 Page - Texas Instruments

 
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SN54AHC240, SN74AHC240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS251H – OCTOBER 1995 – REVISED JULY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC240
SN74AHC240
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
CL =15 pF
5.3*
7.5*
1*
9*
1
9
ns
tPHL
A
Y
CL = 15 pF
5.3*
7.5*
1*
9*
1
9
ns
tPZH
OE
Y
CL =15 pF
6.6*
10.6*
1*
12.5*
1
12.5
ns
tPZL
OE
Y
CL = 15 pF
6.6*
10.6*
1*
12.5*
1
12.5
ns
tPHZ
OE
Y
CL =15 pF
7.8*
11.5*
1*
12.5*
1
12.5
ns
tPLZ
OE
Y
CL = 15 pF
7.8*
11.5*
1*
12.5*
1
12.5
ns
tPLH
A
Y
CL =50 pF
7.8
11
1
12.5
1
12.5
ns
tPHL
A
Y
CL = 50 pF
7.8
11
1
12.5
1
12.5
ns
tPZH
OE
Y
CL =50 pF
9.1
14.1
1
16
1
16
ns
tPZL
OE
Y
CL = 50 pF
9.1
14.1
1
16
1
16
ns
tPHZ
OE
Y
CL =50 pF
10.3
14
1
16
1
16
ns
tPLZ
OE
Y
CL = 50 pF
10.3
14
1
16
1
16
ns
tsk(o)
CL = 50 pF
1.5**
1.5
ns
∗ On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗ On products compliant to MIL-PRF-38535, this parameter does not apply.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC240
SN74AHC240
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
CL =15 pF
3.6*
5.5*
1*
6.5*
1
6.5
ns
tPHL
A
Y
CL = 15 pF
3.6*
5.5*
1*
6.5*
1
6.5
ns
tPZH
OE
Y
CL =15 pF
4.7*
7.3*
1*
8.5*
1
8.5
ns
tPZL
OE
Y
CL = 15 pF
4.7*
7.3*
1*
8.5*
1
8.5
ns
tPHZ
OE
Y
CL =15 pF
5.2*
7.2*
1*
8.5*
1
8.5
ns
tPLZ
OE
Y
CL = 15 pF
5.2*
7.2*
1*
8.5*
1
8.5
ns
tPLH
A
Y
CL =50 pF
5.1
7.5
1
8.5
1
8.5
ns
tPHL
A
Y
CL = 50 pF
5.1
7.5
1
8.5
1
8.5
ns
tPZH
OE
Y
CL =50 pF
6.2
9.3
1
10.5
1
10.5
ns
tPZL
OE
Y
CL = 50 pF
6.2
9.3
1
10.5
1
10.5
ns
tPHZ
OE
Y
CL =50 pF
6.7
9.2
1
10.5
1
10.5
ns
tPLZ
OE
Y
CL = 50 pF
6.7
9.2
1
10.5
1
10.5
ns
tsk(o)
CL = 50 pF
1**
1
ns
∗ On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗ On products compliant to MIL-PRF-38535, this parameter does not apply.




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