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PDF SP507 Data sheet ( Hoja de datos )
| Número de pieza | SP507 | |
| Descripción | 5V Single Chip WAN Multi-Mode Serial Transceiver | |
| Fabricantes | Exar | |
| Logotipo |  |
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SP507
5V Single Chip WAN Multi-Mode Serial Transceiver
■ 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)
■ Software Selectable Protocols
■ Highest Differential Transmission Rates
available at over 20Mbps
■ +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
■ Improved ESD Tolerance for Analog I/Os
■ Compliant to NET1/2 and TBR2 Physical Layer
Requirements
■ Used in WAN Serial Ports in Routers Switches,
DSU/CSU's and other Access Devices
■ Available in 80-Lead LQFP
RxD 1
RTEN 2
RREN 3
TMEN 4
LLEN 5
TTEN 6
SCTEN 7
LATCH 8
TERM_OFF 9
M2 10
M1 11
M0 12
DTR 13
TxD 14
TxCE 15
RTS 16
RL 17
RLEN 18
DCD 19
RxC 20
SP507
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
DESCRIPTION
The SP507 is a monolithic IC that supports seven (7) popular serial interface standards for
DTE/DCE connectivity. The seven (7) drivers and seven (7) receivers transmit and receive
signals at over 20Mbps. The SP507 requires no additional external components for compliant
operation for all seven (7) modes of operation. All necessary termination is integrated within
the SP507 and is switchable when V.35 drivers, V.35 receivers, and V.11 receivers are used.
The SP507 can operate as either a DTE or DCE.
Additional features include 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 3-bit word into
the address decoder. Four (4) drivers and four (4) receivers in the SP507 include separate
enable pins for added convenience.
EIA-530
WAN
V.35
SP507_100_081208
SP507 Multi–Mode Serial Transceiver
1
© Copyright 2008 Exar Corporation
1 page  
OTHER AC CHARACTERISTICS
TA = +25°C and VCC = +5.0V unless otherwise noted.
PARAMETER
MIN.
TYP. MAX.
UNITS
DRIVER DELAY TIME BETWEEN ACTIVE MODE AND TRI-STATE MODE
RS-232/V.28
tPZL; Tri-state to Output LOW
0.70 5.0
µs
tPZH; Tri-state to Output HIGH
0.40 2.0
µs
tPLZ; Output LOW to Tri-state
0.20 2.0
µs
tPHZ; Output HIGH to Tri-state
0.40 2.0
µs
RS-423/V.10
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
0.15
0.20
0.20
0.15
2.0
2.0
2.0
2.0
µs
µs
µs
µs
RS-422/V.11
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
2.80 10.0
0.10 2.0
0.10 2.0
0.10 2.0
µs
µs
µs
µs
V.35
tPZL; Tri-state to Output LOW
tPZH; Tri-state to Output HIGH
tPLZ; Output LOW to Tri-state
tPHZ; Output HIGH to Tri-state
2.60 10.0
0.10 2.0
0.10 2.0
0.15 2.0
µs
µs
µs
µs
CONDITIONS
CL = 100pF, Fig. 34 & 40; S1
closed
CL = 100pF, Fig. 34 & 40; S2
closed
CL = 100pF, Fig. 34 & 40; S1
closed
CL = 100pF, Fig. 34 & 40; S2
closed
CL = 100pF, Fig. 34 & 40; S1
closed
CL = 100pF, Fig. 34 & 40; S2
closed
CL = 100pF, Fig. 34 & 40; S1
closed
CL = 100pF, Fig. 34 & 40; S2
closed
CL = 100pF, Fig. 34 & 37; S1
closed
CL = 100pF, Fig. 34 & 37; S2
closed
CL = 15pF, Fig. 34 & 37; S1
closed
CL = 15pF, Fig. 34 & 37; S2
closed
CL = 100pF, Fig. 34 & 37; S1
closed
CL = 100pF, Fig. 34 & 37; S2
closed
CL = 15pF, Fig. 34 & 37; S1
closed
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
0.12
0.10
0.10
0.10
2.0
2.0
2.0
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
RS-423/V.10
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
0.10
0.10
0.10
2.0
2.0
2.0
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
SP507_100_081208
SP507 Multi–Mode Serial Transceiver
5
© Copyright 2008 Exar Corporation
5 Page 
A
100Ω to
150Ω
Iia
B
±6V
C
A
100Ω to
150Ω
B
Iib
±6V
C
V.11 RECEIVER
w/ Optional Cable Termination
(100Ω to 150Ω)
i [mA] = V [V] / 0.1
i [mA] = (V [V] – 3) / 4.0
–6V –3V
+3V +6V
i [mA] = V [V] / 0.1
i [mA] = (V [V] – 3) / 4.0
Maximum Input Current
versus Voltage
Figure 24. V.11 Receiver Input Graph w/
Termination
A
50Ω
VT
50Ω
B
VOS
C
Figure 23. V.11 Receiver Input Current w/
Termination
A
VT
B
50Ω
50Ω
VOS
C
Figure 25. V.35 Driver Output Test Terminated
Voltage
A
V2
V1
50Ω
24kHz, 550mVp-p
Sine Wave
B
C
Figure 26. V.35 Driver Output Offset Voltage
Figure 27. V.35 Driver Output Source Impedance
SP507_100_081208
SP507 Multi–Mode Serial Transceiver
11
© Copyright 2008 Exar Corporation
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet SP507.PDF ] | |
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