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SN74ALVCH245DWE4 数据表(PDF) 4 Page - Texas Instruments

部件名 SN74ALVCH245DWE4
功能描述  OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
Download  14 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74ALVCH245DWE4 数据表(HTML) 4 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
OPERATING CHARACTERISTICS
SN74ALVCH245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES119G – JULY 1997 – REVISED SEPTEMBER 2004
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 = -4 mA
1.65 V
1.2
IOH = -6 mA
2.3 V
2
VOH
2.3 V
1.7
V
IOH = -12 mA
2.7 V
2.2
3 V
2.4
IOH = -24 mA
3 V
2
IOL = 100 µA
1.65 V to 3.6 V
0.2
IOL = 4 mA
1.65 V
0.45
IOL = 6 mA
2.3 V
0.4
VOL
V
2.3 V
0.7
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
II
VI = VCC or GND
3.6 V
±5
µA
VI = 0.58 V
1.65 V
25
VI = 1.07 V
1.65 V
-25
VI = 0.7 V
2.3 V
45
II(hold)
VI = 1.7 V
2.3 V
-45
µA
VI = 0.8 V
3 V
75
VI = 2 V
3 V
-75
VI = 0 to 3.6 V(2)
3.6 V
±500
IOZ(3)
VO = VCC or GND
3.6 V
±10
µA
ICC
VI = VCC or GND,
IO = 0
3.6 V
10
µA
∆I
CC
One input at VCC - 0.6 V,
Other inputs at VCC or GND
3 V to 3.6 V
750
µA
Ci
Control inputs
VI = VCC or GND
3.3 V
4.5
pF
Cio
A or B ports
VO = VCC or GND
3.3 V
12
pF
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to
another.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
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
1.5
6
1
3.5
3.6
1.3
3.4
ns
ten
OE
A or B
3.4
8.6
2
6
6.3
1.6
5.5
ns
tdis
OE
A or B
2.7
8
1
4.8
5.3
1.7
5.5
ns
T
A = 25°C
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
PARAMETER
TEST CONDITIONS
UNIT
TYP
TYP
TYP
Outputs enabled
25
28
31
Power dissipation capacitance
Cpd
CL = 0, f = 10 MHz
pF
per transceiver
Outputs disabled
0
0
0
4


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