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參數(shù)資料
| 型號： | SN74AVCH4T245_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS |
| 中文描述： | 4位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出 |
| 文件頁數(shù)： | 6/19頁 |
| 文件大?。?/td> | 597K |
| 代理商： | SN74AVCH4T245_07 |
www.ti.com
Electrical Characteristics
(1)(2)
over recommended operating free-air temperature range (unless otherwise noted) (continued)
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 1.2 V (see
Figure 1
)
SN74AVCH4T245
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577B–JUNE 2004–REVISED FEBRUARY 2006
T
A
= 25
°
C
MIN
–40
°
C to 85
°
C
MIN
PARAMETER
TEST CONDITIONS
V
CCA
V
CCB
UNIT
TYP
±
0.1
±
0.1
MAX
MAX
A port
B port
0 V
0 V to 3.6 V
0 V
±
1
±
1
±
5
±
5
I
off
V
I
or V
O
= 0 to 3.6 V
μ
A
0 V to 3.6 V
V
= V
CCO
or
GND,
V
I
= V
CCI
or GND
V
= V
CCO
or
GND,
V
I
= V
CCI
or GND
A or B port
OE = V
IH
3.6 V
3.6 V
±
0.5
±
2.5
±
5
I
OZ(3)
μ
A
B port
OE =
don't
care
0 V
3.6 V
±
5
A port
3.6 V
0 V
±
5
1.2 V to 3.6 V
0 V
3.6 V
1.2 V to 3.6 V
0 V
3.6 V
1.2 V to 3.6 V
1.2 V to 3.6 V
3.6 V
0 V
1.2 V to 3.6 V
3.6 V
0 V
1.2 V to 3.6 V
8
I
CCA
V
I
= V
CCI
or GND,
I
O
= 0
–2
8
8
8
–2
16
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
Control
inputs
A or B port
C
i
V
I
= 3.3 V or GND
3.3 V
3.3 V
3.5
4.5
pF
C
io
V
O
= 3.3 V or GND
3.3 V
3.3 V
6
7
pF
(1)
(2)
(3)
V
CCO
is the V
CC
associated with the output port.
V
is the V
associated with the input port.
For I/O ports, the parameter I
OZ
includes the input leakage current.
V
CCB
= 1.5 V
0.1 V
TYP
2.9
2.9
3.1
3.1
4.7
4.7
4.3
4.3
5.2
5.2
5.1
5.1
V
CCB
= 1.8 V
0.15 V
TYP
2.7
2.7
2.8
2.8
4.3
4.3
3.9
3.9
5.2
5.2
5
5
V
CCB
= 2.5 V
0.2 V
TYP
2.6
2.6
2.6
2.6
3.9
3.9
3.6
3.6
4.3
4.3
4.7
4.7
V
CCB
= 3.3 V
0.3 V
TYP
2.8
2.8
2.6
2.6
3.7
3.7
3.6
3.6
4.8
4.8
5.5
5.5
V
CCB
= 1.2 V
FROM
(INPUT)
TO
PARAMETER
UNIT
(OUTPUT)
TYP
3.4
3.4
3.6
3.6
5.6
5.6
5
5
6.2
6.2
5.9
5.9
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PHZ
t
PLZ
A
B
ns
B
A
ns
OE
A
ns
OE
B
ns
OE
A
ns
OE
B
ns
6
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