SP508ECF-L View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

SP508ECF-L

Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

Exar Corporation

'SP508ECF-L' PDF : 29 Pages View PDF

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SP508E Driver Table
Driver Output
Pin
V.35 Mode
EIA-530
Mode
MODE (D0, D1, D2)
001
010
T1OUT(a)
V.35
V.11
T1OUT(b)
V.35
V.11
T2OUT(a)
V.35
V.11
T2OUT(b)
V.35
V.11
T3OUT(a)
V.35
V.11
T3OUT(b)
V.35
V.11
T4OUT(a)
V.28
V.11
T4OUT(b)
High-Z
V.11
T5OUT(a)
V.28
V.11
T5OUT(b)
High-Z
V.11
T6OUT(a)
V.28
V.11
T6OUT(b)
High-Z
V.11
T7OUT(a)
V.28
V.10
T8OUT(a)
V.28
V.10
Table 1. Driver 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
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
SP508E Receiver Table
Receiver Input
Pin
V.35 Mode
EIA-530
Mode
MODE (D0, D1, D2)
001
010
R1IN(a)
V.35
V.11
R1IN(b)
V.35
V.11
R2IN(a)
V.35
V.11
R2IN(b)
V.35
V.11
R3IN(a)
V.35
V.11
R3IN(b)
V.35
V.11
R4IN(a)
V.28
V.11
R4IN(b)
High-Z
V.11
R5IN(a)
V.28
V.11
R5IN(b)
High-Z
V.11
R6IN(a)
V.28
V.11
R6IN(b)
High-Z
V.11
R7IN(a)
V.28
V.10
R8IN(a)
V.28
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
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com SP508E_100_072412

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