參數(shù)資料
型號： SN74AHC540NSR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AHC/VHC/H/U/V SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SOP-20
文件頁數(shù)： 16/21頁
文件大小： 738K
代理商： SN74AHC540NSR
SN54AHC540, SN74AHC540
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS260J – DECEMBER 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
SN54AHC540
SN74AHC540
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
CL =15 pF
4.8*
7*
1*
8.5*
1
8.5
ns
tPHL
A
Y
CL = 15 pF
4.8*
7*
1*
8.5*
1
8.5
ns
tPZH
OE
Y
CL =15 pF
6.8*
10.5*
1*
12.5*
1
12.5
ns
tPZL
OE
Y
CL = 15 pF
6.8*
10.5*
1*
12.5*
1
12.5
ns
tPHZ
OE
Y
CL =15 pF
6.8*
10.5*
1*
12.5*
1
12.5
ns
tPLZ
OE
Y
CL = 15 pF
6.8*
10.5*
1*
12.5*
1
12.5
ns
tPLH
A
Y
CL =50 pF
7.3
10.5
1
12
1
12
ns
tPHL
A
Y
CL = 50 pF
7.3
10.5
1
12
1
12
ns
tPZH
OE
Y
CL =50 pF
8
14
1
16
1
16
ns
tPZL
OE
Y
CL = 50 pF
8
14
1
16
1
16
ns
tPHZ
OE
Y
CL =50 pF
8
15.4
1
17.5
1
17.5
ns
tPLZ
OE
Y
CL = 50 pF
8
15.4
1
17.5
1
17.5
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
SN54AHC540
SN74AHC540
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
CL =15 pF
3.7*
5*
1*
6*
1
6
ns
tPHL
A
Y
CL = 15 pF
3.7*
5*
1*
6*
1
6
ns
tPZH
OE
Y
CL =15 pF
4.7*
7.2*
1*
8.5*
1
8.5
ns
tPZL
OE
Y
CL = 15 pF
4.7*
7.2*
1*
8.5*
1
8.5
ns
tPHZ
OE
Y
CL =15 pF
4.5*
6.8*
1*
8*
1
8
ns
tPLZ
OE
Y
CL = 15 pF
4.5*
6.8*
1*
8*
1
8
ns
tPLH
A
Y
CL =50 pF
5.2
7
1
8
1
8
ns
tPHL
A
Y
CL = 50 pF
5.2
7
1
8
1
8
ns
tPZH
OE
Y
CL =50 pF
6.2
9.2
1
10.5
1
10.5
ns
tPZL
OE
Y
CL = 50 pF
6.2
9.2
1
10.5
1
10.5
ns
tPHZ
OE
Y
CL =50 pF
6
8.8
1
10
1
10
ns
tPLZ
OE
Y
CL = 50 pF
6
8.8
1
10
1
10
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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