參數(shù)資料
型號： SN74AVC2T45YEPR
廠商： Texas Instruments, Inc.
英文描述： DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS
中文描述： 雙位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和3態(tài)輸出
文件頁數(shù)： 4/21頁
文件大?。?/td> 376K
代理商： SN74AVC2T45YEPR
www.ti.com
Recommended Operating Conditions
(1)(2)(3)(4)(5)
SN74AVC2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES531F–DECEMBER 2003–REVISED MAY 2005
V
CCI
V
CCO
MIN
1.2
1.2
MAX
3.6
3.6
UNIT
V
V
V
CCA
V
CCB
Supply voltage
Supply voltage
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
V
CCI
×
0.65
High-level
input voltage
V
IH
Data inputs
(4)
1.6
V
2
V
CCI
×
0.35
Low-level
input voltage
V
IL
Data inputs
(4)
0.7
0.8
V
V
CCA
×
0.65
High-level
input voltage
DIR
(referenced to V
CCA
)
(5)
V
IH
1.6
V
2
V
CCA
×
0.35
Low-level
input voltage
DIR
(referenced to V
CCA
)
(5)
V
IL
0.7
0.8
3.6
V
V
I
Input voltage
0
0
0
V
Active state
3-state
V
CCO
3.6
V
O
Output voltage
V
1.2 V
–3
–6
–8
–9
1.4 V to 1.6 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
1.2 V
1.4 V to 1.6 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
I
OH
High-level output current
mA
–12
3
6
8
9
I
OL
Low-level output current
mA
12
5
85
t/
v
T
A
Input transition rise or fall rate
Operating free-air temperature
ns/V
°
C
–40
(1)
(2)
(3)
V
CCI
is the V
CC
associated with the data input port.
V
is the V
associated with the output port.
All unused data inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
For V
CCI
values not specified in the data sheet, V
IH(min)
= V
CCI
x 0.7 V, V
IL(max)
= V
CCI
x 0.3 V.
For V
CCI
values not specified in the data sheet, V
IH(min)
= V
CCA
x 0.7 V, V
IL(max)
= V
CCA
x 0.3 V.
(4)
(5)
4
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