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What is SP505?

This electronic component, produced by the manufacturer "Exar", performs the same function as "WAN Multi-Mode Serial Transceiver".


SP505 Datasheet PDF - Exar

Part Number SP505
Description WAN Multi-Mode Serial Transceiver
Manufacturers Exar 
Logo Exar Logo 


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SP505
WAN Multi-Mode Serial Transceiver
• +5V Only Operation
• Seven (7) Drivers and Seven (7) Receivers
• Driver and Receiver Tri-state Control
• Internal Transceiver Termination Resistors for
V.11 and V.35 Protocols
• Loopback Self-Test Mode
• Software Selectable Protocol Selection
• Interface Modes Supported:
• RS-232 (V.28)
• X.21/RS-422 (V.11)
• EIA-530 (V.10 & V.11) • EIA-530A (V.10 & V.11)
• RS-449 (V.10 & V.11) • V.35 (V.35 & V.28)
• V.36 (V.10 & V.11)
• RS-485 (un-terminated V.11)
• Improved ESD Tolerance for Analog I/Os
• High Differential Transmission Rates
SP505A - 10Mbps
RxD 1
SDEN 2
TREN3
RSEN4
LLEN 5
TTEN 6
SCTEN7
LATCH 8
DEC3 9
DEC2 10
DEC1 11
DEC0 12
DTR 13
TxD 14
TxC 15
RTS 16
RL 17
RLEN 18
DCD 19
RxC 20
SP505
60 GND
59 SD(b)
58 TR(a)
57 GND
56 TR(b)
55 VCC
54 RS(a)
53 GND
52 RS(b)
51 LL(a)
50 GND
49 LL(b)
48 VCC
47 RL(a)
46 GND
45 RL(b)
44 ST(b)
43 GND
42 ST(a)
41 VCC
SP505B - over 16Mbps
• Compliant to NET1/2 and TBR2 Physical Layer
Requirements
(TUV Test Report NET2/052101/98)
(TUV Test Report CTR2/052101/98)
DESCRIPTION
The SP505 is a monolithic device that supports eight (8) popular serial interface standards for DTE
to DCE connectivity. The SP505 is fabricated using a low power BiCMOS process technology, and
incorporates a Sipex patented (5,306,954) charge pump allowing +5V only operation. Seven (7)
drivers and seven (7) receivers can be configured via software for any of the above interface modes
at any time. The SP505 requires no additional external components for compliant operation for all
of the eight (8) modes of operation. All necessary termination is integrated within the SP505 and is
switchable when V.35 drivers, V.35 receivers, and V.11 receivers are used. The SP505 can operate
as either a DTE or DCE.
Additional features with the SP505 include internal loopback that can be initiated in either single-ended
or differential modes. While in loopback mode, driver outputs are internally connected to receiver
inputs creating an internal signal path convenient for diagnostic testing. This eliminates the need for
an external loopback plug. The SP505 also includes a latch enable pin with the driver and receiver
address decoder. Tri-state ability for the driver and receiver outputs is controlled by supplying a 4-bit
word into the address decoder. Seven (7) drivers and one (1) receiver in the SP505 include separate
enable pins for added convenience. The SP505 is ideal for WAN serial ports in networking equipment
such as routers, switches, DSU/CSU's, and other access devices.
EIA-530
WAN
V.35
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

SP505_100_081308

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SP505 equivalent
TA = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
Parameter
MIN. TYP.
TRANSCEIVER LEAKAGE CURRENTS
Driver Output 3-state Current
100
Receiver Output 3-state
Current
1
MAX.
ELECTRICAL CHARACTERISTICS
Units Conditions
500 µA Per Figure 32; Drivers disabled
10 µA DECX = 0000, 0.4V ≤ VO ≤ 2.4V
TA = +25°C and VCC = +5.0V unless otherwise noted.
AC Characteristics
Parameter
MIN. TYP. MAX. Units Conditions
DRIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232/V.28
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
RS-423/V.10
0.70 5.0
0.40 2.0
0.20 2.0
0.40 2.0
µs CL = 100pF, Fig. 34 & 40; S1 closed
µs CL = 100pF, Fig. 34 & 40; S2 closed
µs CL = 100pF, Fig. 34 & 40; S1 closed
µs CL = 100pF, Fig. 34 & 40; S2 closed
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
RS-422/V.11
0.15 2.0
0.20 2.0
0.20 2.0
0.15 2.0
µs CL = 100pF, Fig. 34 & 40; S1 closed
µs CL = 100pF, Fig. 34 & 40; S2 closed
µs CL = 100pF, Fig. 34 & 40; S1 closed
µs CL = 100pF, Fig. 34 & 40; S2 closed
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
V.35
2.80 10.0
0.10 2.0
0.10 2.0
0.10 2.0
µs CL = 100pF, Fig. 34 & 37; S1 closed
µs CL = 100pF, Fig. 34 & 37; S2 closed
µs CL = 15pF, Fig. 34 & 37; S1 closed
µs CL = 15pF, Fig. 34 & 37; S2 closed
tPZL; Tri-state to Output LOW
2.60 10.0
µs CL = 100pF, Fig. 34 & 37; S1 closed
tPZH; Tri-state to Output HIGH
0.10 2.0
µs CL = 100pF, Fig. 34 & 37; S2 closed
tPLZ; Output LOW to Tri-state
0.10 2.0
µs CL = 15pF, Fig. 34 & 37; S1 closed
tPHZ; Output HIGH to Tri-state
0.15 2.0
µs CL = 15pF, Fig. 34 & 37; S2 closed
RECEIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232/V.28
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
RS-423/V.10
0.12 2.0
0.10 2.0
0.10 2.0
0.10 2.0
µs CL = 100pF, Fig. 35 & 38; S1 closed
µs CL = 100pF, Fig. 35 & 38; S2 closed
µs CL = 100pF, Fig. 35 & 38; S1 closed
µs CL = 100pF, Fig. 35 & 38; S2 closed
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
0.10 2.0
0.10 2.0
0.10 2.0
0.10 2.0
µs CL = 100pF, Fig. 35 & 38; S1 closed
µs CL = 100pF, Fig. 35 & 38; S2 closed
µs CL = 100pF, Fig. 35 & 38; S1 closed
µs CL = 100pF, Fig. 35 & 38; S2 closed
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

SP505_100_081308


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