參數(shù)資料
型號(hào): LTC1344AIG
廠商: LINEAR TECHNOLOGY CORP
元件分類: 通用總線功能
英文描述: Software-Selectable Cable Terminator
中文描述: 6-LINE 153 ohm OTHER TERMINATOR, PDSO24
封裝: 0.209 INCH, PLASTIC, SSOP-24
文件頁(yè)數(shù): 12/12頁(yè)
文件大?。?/td> 202K
代理商: LTC1344AIG
12
LTC 1344A
LINEAR TECHNOLOGY CORPORATION 1998
1344af, sn1344a LT/TP 0898 4K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
Figure 13 shows a typical application for the LTC1344A
using the LTC1543 mixed mode transceiver chip to gener-
ate the clock and data signals for a serial interface. The
LTC1344A V
EE
supply is generated from the LTC1543
charge pump and the select lines M0, M1, M2 and
RELATED PARTS
PART NUMBER
LTC1334
LTC1343
LTC1345
LTC1346A
LTC1543
LTC1544
DESCRIPTION
Single Supply RS232/RS485 Transceiver
Multiprotocol Serial Transceiver
Single Supply V.35 Transceiver
Dual Supply V.35 Transceiver
Multiprotocol Serial Transceiver
Multiprotocol Serial Transceiver
COMMENTS
2 RS485 Dr/Rx or 4 RS232 Dr/Rx Pairs
Software Selectable Mulitprotocol Interface
3 Dr/3 Rx for Data and CLK Signals
3 Dr/3 Rx for Data and CLK Signals
Software-Selectable Transceiver for Data and CLK Signals
Software-Selectable Transceiver for Control Signals
DCE/DTE are shared by both chips. Each driver output and
receiver input is connected to one of the LTC1344A
termination ports. Each electrical protocol can then be
chosen using the digital select lines.
TYPICAL APPLICATIO
U
Figure 13. Typical Application Using the LTC1344A
LTC1543
M0
M1
M2
DCE/DTE
24
1344 F13
4
26
5
6
7
8
9
10
23
22
21
20
19
18
17
16
15
11
12
13
14
LTC1344A
14
21
22
23
24
1
2
5
3
8
11
12
13
4
6
7
9
10
16
15
18
17
19
20
DTE
TXD
+
DCE
RXD
+
TXD
SCTE
+
RXD
RXC
+
RXD
+
TXD
+
RXD
TXD
SCTE
RXC
TXC
+
TXC
+
RXC
+
SCTE
+
RXC
SCTE
TXC
TXC
V
CC
V
EE
M2
M1
M0
C2
3.3
μ
F
C1
1
μ
F
100pF
100pF
100pF
LATCH
DCE/DTE
M2
M1
M0
DCE/DTE
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