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SN54AHCT240 датащи(PDF) 4 Page - Texas Instruments

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номер детали SN54AHCT240
подробное описание детали  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
PDF  28 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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SN54AHCT240 датащи(HTML) 4 Page - Texas Instruments

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SN54AHCT240, SN74AHCT240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS252K – OCTOBER 1995 – REVISED JULY 2003
4
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)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHCT240
SN74AHCT240
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
CL =15 pF
5.4*
7.4*
1*
8.5*
1
8.5
ns
tPHL
A
Y
CL = 15 pF
5.4*
7.4*
1*
8.5*
1
8.5
ns
tPZH
OE
Y
CL =15 pF
7.7*
10.4*
1*
12*
1
12
ns
tPZL
OE
Y
CL = 15 pF
7.7*
10.4*
1*
12*
1
12
ns
tPHZ
OE
Y
CL =15 pF
8.3*
10.4*
1*
12*
1
12
ns
tPLZ
OE
Y
CL = 15 pF
8.3*
10.4*
1*
12*
1
12
ns
tPLH
A
Y
CL =50 pF
5.9
8.4
1
9.5
1
9.5
ns
tPHL
A
Y
CL = 50 pF
5.9
8.4
1
9.5
1
9.5
ns
tPZH
OE
Y
CL =50 pF
8.2
11.4
1
13
1
13
ns
tPZL
OE
Y
CL = 50 pF
8.2
11.4
1
13
1
13
ns
tPHZ
OE
Y
CL =50 pF
8.8
11.4
1
13
1
13
ns
tPLZ
OE
Y
CL = 50 pF
8.8
11.4
1
13
1
13
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.
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4)
PARAMETER
SN74AHCT240
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOH(V)
Quiet output, minimum dynamic VOH
4.1
V
VIH(D)
High-level dynamic input voltage
2
V
VIL(D)
Low-level dynamic input voltage
0.8
V
NOTE 4: Characteristics are for surface-mount packages only.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
10
pF



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