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參數(shù)資料
| 型號： | LC245A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 585K |
| 代理商： | LC245A |
www.ti.com
Recommended Operating Conditions
(1)
SN74LVC245A
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS218T–JANUARY 1993–REVISED FEBRUARY 2005
T
A
= 25
°
C
MIN
1.65
1.5
–40
°
C TO 85
°
C
MIN
1.65
1.5
0.65
×
V
CC
1.7
2
UNIT
MAX
3.6
MAX
3.6
Operating
Data retention only
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
Supply voltage
V
0.65
×
V
CC
V
IH
High-level input voltage
1.7
V
2
0.35
×
V
CC
0.35
×
V
CC
V
IL
Low-level input voltage
0.7
0.8
5.5
V
CC
–4
–8
–12
–24
0.7
0.8
5.5
V
CC
–4
–8
–12
–24
V
V
I
V
O
Input voltage
Output voltage
0
0
0
0
V
V
V
CC
= 1.65 V
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
V
CC
= 1.65 V
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
I
OH
High-level output current
mA
4
8
4
8
I
OL
Low-level output current
mA
12
24
10
12
24
10
t/
v
Input transition rise or fall rate
ns/V
(1)
All unused 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.
4
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