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74LVCR2245ADBQRG4 数据表(PDF) 5 Page - Texas Instruments

部件名 74LVCR2245ADBQRG4
功能描述  OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

74LVCR2245ADBQRG4 数据表(HTML) 5 Page - Texas Instruments

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Electrical Characteristics
Switching Characteristics
Operating Characteristics
SN74LVCR2245A
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS581M – NOVEMBER 1996 – REVISED MARCH 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN TYP(1)
MAX
UNIT
IOH = –100 µA
1.65 V to 3.6 V
VCC – 0.2
IOH = –2 mA
1.65 V
1.2
2.3 V
1.7
IOH = –4 mA
VOH
2.7 V
2.2
V
IOH = –6 mA
3 V
2.4
IOH = –8 mA
2.7 V
2
IOH = –12 mA
3 V
2
IOL = 100 µA
1.65 V to 3.6 V
0.2
IOL = 2 mA
1.65 V
0.45
2.3 V
0.7
IOL = 4 mA
VOL
2.7 V
0.4
V
IOL = 6 mA
3 V
0.55
IOL = 8 mA
2.7 V
0.6
IOL = 12 mA
3 V
0.8
II
Control inputs VI = 0 to 5.5 V
3.6 V
±5
µA
Ioff
VI or VO = 5.5 V
0
±10
µA
IOZ(2)
VO = 0 to 5.5 V
3.6 V
±10
µA
VI = VCC or GND
10
ICC
IO = 0
3.6 V
µA
3.6 V
≤ V
I ≤ 5.5 V
(3)
10
∆I
CC
One input at VCC – 0.6 V, Other inputs at VCC or GND
2.7 V to 3.6 V
500
µA
Ci
Control inputs VI = VCC or GND
3.3 V
4
pF
Cio
A or B ports
VO = VCC or GND
3.3 V
5.5
pF
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
For I/O ports, the parameter IOZ includes the input leakage current.
(3)
This applies in the disabled state only.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
VCC = 2.7 V
FROM
TO
± 0.15 V
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tpd
A or B
B or A
(1)
(1)
(1)
(1)
7.3
1.5
6.3
ns
ten
OE
A or B
(1)
(1)
(1)
(1)
9.5
1.5
8.2
ns
tdis
OE
A or B
(1)
(1)
(1)
(1)
8.5
1.7
7.8
ns
tsk(o)
1
ns
(1)
This information was not available at the time of publication.
T
A = 25°C
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
TEST
PARAMETER
UNIT
CONDITIONS
TYP
TYP
TYP
Outputs enabled
(1)
(1)
48
Power dissipation capacitance
Cpd
f = 10 MHz
pF
per transceiver
Outputs disabled
(1)
(1)
4
(1)
This information was not available at the time of publication.
5


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