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SP3508 Datasheet, PDF (11/33 Pages) Sipex Corporation – Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors
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SP3508 Driver Table
Driver Output
Pin
V.35 Mode
EIA-530
Mode
MODE (D0, D1, D2)
001
T1OUT(a)
V.35
T1OUT(b)
V.35
T2OUT(a)
V.35
T2OUT(b)
V.35
T3OUT(a)
V.35
T3OUT(b)
V.35
T4OUT(a)
V.28
T4OUT(b)
High-Z
T5OUT(a)
V.28
T5OUT(b)
High-Z
T6OUT(a)
V.28
T6OUT(b)
High-Z
T7OUT(a)
V.28
T8OUT(a)
V.28
Table 1. Driver Mode Selection
010
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
V.10
RS-232
Mode
(V.28)
011
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
V.28
EIA-530A
Mode
100
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
High-Z
V.11
V.11
V.10
V.10
RS-449
Mode
(V.36)
101
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
V.10
X.21 Mode
(V.11)
Shutdown
Suggested
Signal
110
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
High-Z
High-Z
111
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
TxD(a)
TxD(b)
TxCE(a)
TxCE(b)
TxC_DCE(a)
TxC_DCE(b)
RTS(a)
RTS(b)
DTR(a)
DTR(b)
DCD_DCE(a)
DCD_DCE(b)
RL
LL
SP3508 Receiver Table
Receiver Input
Pin
V.35 Mode
EIA-530
Mode
MODE (D0, D1, D2)
001
010
R1IN(a)
R1IN(b)
R2IN(a)
R2IN(b)
R3IN(a)
R3IN(b)
R4IN(a)
R4IN(b)
R5IN(a)
R5IN(b)
R6IN(a)
R6IN(b)
R7IN(a)
R8IN(a)
V.35
V.35
V.35
V.35
V.35
V.35
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
V.28
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
V.10
Table 2. Receiver Mode Selection
RS-232
Mode
(V.28)
011
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
High-Z
V.28
V.28
EIA-530A
Mode
100
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
High-Z
V.11
V.11
V.10
V.10
RS-449
Mode
(V.36)
101
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.10
V.10
X.21 Mode
(V.11)
Shutdown
Suggested
Signal
110
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
High-Z
High-Z
111
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
RxD(a)
RxD(b)
RxC(a)
RxC(b)
TxC_DTE(a)
TxC_DTE(b)
CTS(a)
CTS(b)
DSR(a)
DSR(b)
DCD_DTE(a)
DCD_DTE(b)
RI
TM
Date: 06/14/04
SP3508 Enhanced WAN Multi–Mode Serial Transceiver
11
© Copyright 2004 Sipex Corporation
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