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SN74AHC245DWG4 Datenblatt(PDF) 6 Page - Texas Instruments

Teilenummer SN74AHC245DWG4
Bauteilbeschribung  SNx4AHC245 Octal Bus Transceivers With 3-State Outputs
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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SN54AHC245, SN74AHC245
SCLS230J – OCTOBER 1995 – REVISED JULY 2014
www.ti.com
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
TA = 25°C
SN54AHC245
SN74AHC245
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
2 V
1.9
2
1.9
1.9
IOH = –50 µA
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
IOH = –4 mA
3 V
2.58
2.48
2.48
IOH = –8 mA
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 µA
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
3 V
0.36
0.5
0.44
IOL = 8 mA
4.5 V
0.36
0.5
0.44
A or B inputs
5.5 V
±0.1
±1
±1
II
VI = VCC or GND
µA
OE or DIR
0 V to 5.5 V
±0.1
±1(1)
±1
VO = VCC or GND,
IOZ
(2)
5.5 V
±0.25
±2.5
±2.5
µA
VI (OE) = VIL or VIH
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
40
µA
Ci
OE or DIR
VI = VCC or GND
5 V
2.5
10
10
pF
Cio
A or B inputs
VI = VCC or GND
5 V
4
pF
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
(2)
The parameter IOZ includes the input leakage current.
7.6 Switching Characteristics, VCC = 3.3 V ± 0.3 V
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
TA = 25°C
SN54AHC245
SN74AHC245
FROM
TO
LOAD
PARAMETER
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
5.8(1)
8.4(1)
1(1)
10(1)
1
10
A or B
B or A
CL = 15 pF
ns
tPHL
5.8(1)
8.4(1)
1(1)
10(1)
1
10
tPZH
8.5(1)
13.2(1)
1(1)
15.5(1)
1
15.5
OE
A or B
CL = 15 pF
ns
tPZL
8.5(1)
13.2(1)
1(1)
15.5(1)
1
15.5
tPHZ
8.9(1)
12.5(1)
1(1)
15.5(1)
1
15.5
OE
A or B
CL = 15 pF
ns
tPLZ
8.9(1)
12.5(1)
1(1)
15.5(1)
1
15.5
tPLH
8.3
11.9
1
13.5
1
13.5
A or B
B or A
CL = 50 pF
ns
tPHL
8.3
11.9
1
13.5
1
13.5
tPZH
11
16.7
1
19
1
19
OE
A or B
CL = 50 pF
ns
tPZL
11
16.7
1
19
1
19
tPHZ
11.5
15.8
1
18
1
18
OE
A or B
CL = 50 pF
ns
tPLZ
11.5
15.8
1
18
1
18
tsk(o)
CL = 50 pF
1.5(2)
1.5
ns
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2)
On products compliant to MIL-PRF-38535, this parameter does not apply.
6
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