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SN74BCT2245 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN74BCT2245
Description  OCTAL TRANSCEIVER AND LINE/MOS DRIVER WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74BCT2245 Datasheet(HTML) 4 Page - Texas Instruments

 
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SN74BCT2245
OCTAL TRANSCEIVER AND LINE/MOS DRIVER
WITH 3-STATE OUTPUTS
SCBS102C – FEBRUARY 1992 – REVISED MARCH 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
A port
VCC =4 5V
IOH = –1 mA
2.5
3.4
VOH
A port
VCC = 4.5 V
IOH = –3 mA
2.4
3.3
V
VOH
B port
VCC =4 5V
IOH = –1 mA
2.4
3.3
V
B port
VCC = 4.5 V
IOH = –12 mA
2
3.2
A port
VCC = 4.5 V,
IOL = 24 mA
0.35
0.5
VOL
B port
VCC =4 5V
IOL = 1 mA
0.5
V
B port
VCC = 4.5 V
IOL = 12 mA
0.8
II
VCC = 5.5 V,
VI = 5.5 V
0.1
mA
I
A or B port
VCC =5 5V
VI =2 7V
70
µA
IIH‡
Control input
VCC = 5.5 V,
VI = 2.7 V
20
µA
IIL‡
VCC = 5.5 V,
VI = 0.5 V
–0.65
mA
I
§
A port
VCC =5 5V
VO =0
–60
–150
mA
IOS§
B port
VCC = 5.5 V,
VO = 0
–100
–225
mA
ICCL
A to B
VCC =5 5V
Outputs open
63
100
mA
ICCL
B to A
VCC = 5.5 V,
Outputs open
40
64
mA
ICCH
A to B
VCC =5 5V
Outputs open
37
59
mA
ICCH
B to A
VCC = 5.5 V,
Outputs open
29
46
mA
ICCZ
A to B
VCC =5 5V
Outputs open
9
15
mA
ICCZ
B to A
VCC = 5.5 V,
Outputs open
8
14
mA
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
7
pF
Ci
A to B
VCC =5V
VO =2 5Vor0 5V
9
pF
Cio
B to A
VCC = 5 V,
VO = 2.5 V or 0.5 V
12
pF
† All typical values are at VCC = 5 V, TA = 25°C.
‡ For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
tPLH
A
B
1
3.3
4.9
1
5.8
ns
tPLH
B
A
1.7
4.2
6.1
1.7
7
ns
tPHL
A
B
2.5
5.1
6.9
2.5
7.8
ns
tPHL
B
A
2.2
4.7
7.1
2.2
7.7
ns
tPZH
OE
B
3.2
6.2
8.6
3.2
9.9
ns
tPZH
OE
A
3.8
7.2
9.5
3.8
11.1
ns
tPZL
OE
B
5.6
8.3
10.9
5.6
12.2
ns
tPZL
OE
A
4.2
7.6
10.1
4.2
11.4
ns
tPHZ
OE
B
2.6
5.2
7.1
2.6
8.2
ns
tPHZ
OE
A
3.1
5.7
8
3.1
9.4
ns
tPLZ
OE
B
3.5
6
7.9
3.5
9.2
ns
tPLZ
OE
A
2.3
4.7
6.5
2.3
7.6
ns


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