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参数资料
| 型号： | SN74LVCH16T245GQLR |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS |
| 中文描述： | 16位双电源总线收发器可配置电压转换和三态输出 |
| 文件页数： | 5/15页 |
| 文件大小： | 358K |
| 代理商： | SN74LVCH16T245GQLR |
www.ti.com
Electrical Characteristics
(1)(2)
over recommended operating free-air temperature range (unless otherwise noted)
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A–JULY 2005–REVISED AUGUST 2005
PARAMETER
TEST CONDITIONS
I
OH
= –100
μ
A,
I
OH
= –4 mA,
I
OH
= –8 mA,
I
OH
= –24 mA,
I
OH
= –32 mA,
I
OL
= 100
μ
A,
I
OL
= 4 mA,
I
OL
= 8 mA,
I
OL
= 24 mA,
I
OL
= 32 mA,
V
CCA
V
CCB
MIN
TYP
MAX
MIN
MAX
UNIT
V
I
= V
IH
V
I
= V
IH
V
I
= V
IH
V
I
= V
IH
V
I
= V
IH
V
I
= V
IL
V
I
= V
IL
V
I
= V
IL
V
I
= V
IL
V
I
= V
IL
1.65 V to 4.5 V
1.65 V
2.3 V
3 V
4.5 V
1.65 V to 4.5 V
1.65 V
2.3 V
3 V
4.5 V
1.65 V to 4.5 V
1.65 V
2.3 V
3 V
4.5 V
1.65 V to 4.5 V
1.65 V
2.3 V
3 V
4.5 V
V
CCO
– 0.1
1.2
1.9
2.4
3.8
V
OH
V
0.1
0.45
0.3
0.55
0.55
V
OL
V
Control
inputs
I
I
V
I
= V
CCA
or GND
1.65 V to 5.5 V
1.65 V to 5.5 V
±
0.5
±
1
±
2
μ
A
V
I
= 0.58 V
V
I
= 0.7 V
V
I
= 0.8 V
V
I
= 0.1.35 V
V
I
= 1.07 V
V
I
= 1.7 V
V
I
= 2 V
V
I
= 3.15 V
1.65 V
2.3 V
3 V
4.5 V
1.65 V
2.3 V
3 V
4.5 V
1.95 V
2.7 V
3.6 V
5.5 V
1.95 V
2.7 V
3.6 V
5.5 V
0 V
0 to 5.5 V
1.65 V
2.3 V
3 V
4.5 V
1.65 V
2.3 V
3 V
4.5 V
1.95 V
2.7 V
3.6 V
5.5 V
1.95 V
2.7 V
3.6 V
5.5 V
0 to 5.5 V
0 V
15
45
75
I
BHL(3)
μ
A
100
–15
–45
–75
–100
200
300
500
900
–200
–300
–500
–900
I
BHH(4)
μ
A
I
BHLO(5)
V
I
= 0 to V
CC
μ
A
I
BHHO(6)
V
I
= 0 to V
CC
μ
A
A port
B port
A or B
port
B port
A port
±
0.5
±
0.5
±
1
±
1
±
2
±
2
I
off
V
I
or V
O
= 0 to 5.5 V
μ
A
OE = V
IH
1.65 V to 5.5 V
1.65 V to 5.5 V
±
1
±
2
V
= V
CCO
or
GND,
V
I
= V
CCI
or GND
I
OZ
μ
A
0 V
5.5 V
5.5 V
0 V
±
1
±
1
±
2
±
2
20
20
–2
20
–2
20
30
OE = don't
care
1.65 V to 5.5 V
5 V
0 V
1.65 V to 5.5 V
5 V
0 V
1.65 V to 5.5 V
1.65 V to 5.5 V
0 V
5 V
1.65 V to 5.5 V
0 V
5 V
1.65 V to 5.5 V
I
CCA
V
I
= V
CCI
or GND, I
O
= 0
μ
A
I
CCB
V
I
= V
CCI
or GND, I
O
= 0
μ
A
I
CCA
+ I
CCB
V
I
= V
CCI
or GND, I
O
= 0
μ
A
(1)
(2)
(3)
V
CCO
is the V
CC
associated with the output port.
V
is the V
associated with the input port.
The bus-hold circuit can sink at least the minimum low sustaining current at V
IL
max. I
BHL
should be measured after lowering V
IN
to GND
and then raising it to V
max.
The bus-hold circuit can source at least the minimum high sustaining current at V
IH
min. I
BHH
should be measured after raising V
IN
to
V
and then lowering it to V
min.
An external driver must source at least I
BHLO
to switch this node from low to high.
An external driver must sink at least I
BHHO
to switch this node from high to low.
(4)
(5)
(6)
5
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