ltc2845 Linear Technology Corporation, ltc2845 Datasheet - Page 20

• Manufacturer Part Number: ltc2845
• Description: 3.3v Software-selectable Mutiprotocol Transceiver
• Manufacturer: Linear Technology Corporation

LTC2845
TYPICAL APPLICATIO
RELATED PARTS
PART NUMBER
LTC1321
LTC1334
LTC1343
LTC1344A
LTC1345
LTC1346A
LTC1543
LTC1544
LTC1545
LTC1546
LTC2844
LTC2846
LTC2847
20
RL
D5
21
TM
R5
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
25
R4
RI
*
DESCRIPTION
Dual RS232/RS485 Transceiver
Single 5V RS232/RS485 Multiprotocol Transceiver
Software-Selectable Multiprotocol Transceiver
Software-Selectable Cable Terminator
Single Supply V.35 Transceiver
Dual Supply V.35 Transceiver
Software-Selectable Multiprotocol Transceiver
Software-Selectable Multiprotocol Transceiver
Software-Selectable Multiprotocol Transceiver
Software-Selectable Multiprotocol Transceiver
3.3V Software-Selectable Multiprotocol Transceiver
3.3V Software-Selectable Multiprotocol Transceiver
Software-Selectable Multiprotocol Transceiver
with 3.3V Digital Interface
D4
LL
18
CTS
13
R3
5
DSR
10
R2
DTE or DCE Multiprotocol Serial Interface with DB-25 Connector
8
U
R1
LTC2845
www.linear.com
DCD
D3
22
6
DTR
D2
23
DB-25 CONNECTOR
20
RTS
D1
19
4
1
COMMENTS
Two RS232 Driver/Receiver Pairs or Two RS485 Driver/Receiver Pairs
Two RS232 Driver/Receiver or Four RS232 Driver/Receiver Pairs
4-Driver/4-Receiver for Data and Clock Signals
Perfect for Terminating the LTC1543 (Not Needed with LTC1546)
3-Driver/3-Receiver for Data and Clock Signals
3-Driver/3-Receiver for Data and Clock Signals
Terminated with LTC1344A for Data and Clock Signals, Companion to
LTC1544 or LTC1545 for Control Signals
Companion to LTC1546 or LTC1543 for Control Signals Including LL
5-Driver/5-Receiver Companion to LTC1546 or LTC1543
for Control Signals Including LL, TM and RL
3-Driver/3-Receiver with Termination for Data and Clock Signals
3.3V Supply, 4-Driver/4-Receiver Companion to LTC2846 for Control
Signals Including LL
3.3V Supply, 3-Driver/3-Receiver with Termination for Data and Clock
Signals, Generates the Required 5V and 8V Supplies for LTC2846 and
Companion Parts
3-Driver/3-Receiver with Termination for Data and Clock Signals.
Seperate Supply for Digital Interface Works Down to 3.3V
7
RXD
16
R3
T
3
RXC
9
R2
T
17
R1
LTC2846
12
TXC
D3
T
15
LINEAR TECHNOLOGY CORPORATION 2002
SCTE
11
D2
T
LT/TP 0703 1K • PRINTED IN USA
24
14
TXD
D1
T
2
sn2845 2845fs
2845 TA01
*OPTIONAL