參數(shù)資料
型號: LT1346
廠商: Linear Technology Corporation
英文描述: OCTAL BUFFER/BUS DRIVERS 20-PDIP 0 to 70
中文描述: 10Mbps的土木工程署署長/ DTE的.35收發(fā)器
文件頁數(shù): 5/12頁
文件大小: 273K
代理商: LT1346
5
LTC1346A
FU
Transmitter and Receiver Configuration
S0
S1
S2
0
0
0
1
0
0
0
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
1
1
DX ON
1, 2, 3
1, 2, 3
1, 2
1, 2
1, 2, 3
1, 2, 3
RX ON
1, 2, 3
1, 2
1, 2, 3
1, 2, 3
Description
All RX ON, All DX OFF
All OFF, Shutdown
DCE Mode
DCE Mode, All RX OFF
DTE Mode
DTE Mode, All RX OFF
All ON
All DX ON, All RX OFF
Transmitter
INPUTS
OUTPUTS
T
Y1 AND Y2 Z1 AND Z2
CONFIGURATION S0 S1 S2
Y3 Z3
All OFF
Shutdown
DCE or All ON
DCE or All ON
DTE
DTE
0
1
X
X
X
X
0
0
1
1
0
0
0
0
X
X
1
1
X
X
0
1
0
1
Z
Z
0
1
0
1
Z
Z
1
0
1
0
Z
Z
0
1
Z
Z
Z
Z
1
0
Z
Z
Receiver
INPUTS
S2
OUTPUTS
R1 AND R2
–0.2V
0.2V
X
–0.2V
0.2V
X
–0.2V
0.2V
X
CONFIGURATION
S0 S1
A – B
R3
All Rx ON
All Rx ON
Shutdown
DCE
DCE
Disabled
DTE or All ON
DTE or All ON
Disabled
0
0
1
0
0
1
0
0
1
0
0
0
1
1
1
X
X
X
0
0
0
0
0
0
1
1
1
0
1
Z
0
1
Z
0
1
Z
0
1
Z
Z
Z
Z
0
1
Z
TEST CIR
C
L
1k
LTC1346A F02
SW1
SW2
V
CC
RECEIVER
OUTPUT
Figure 2. Receiver Output Enable and Disable Timing Test Load
15pF
S0
R
50
125
Y
Z
Z
Y
T
125
50
50
LTC1346A F01
50
A
B
V
OD
V
OS
V
OC
= (V
Y
+ V
Z
)/2
Figure 1. V.35 Transmitter/Receiver Test Circuit
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