SP506 Datasheet PDF - Exar

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SP506
Exar

Part Number SP506
Description 5V Single Chip WAN Multi-Mode Serial Transceiver
Page 30 Pages


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SP506
5V Single Chip 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
• 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
• Highest Differential Transmission Rates
at over 20Mbps
• Compliant to NET1/2 and TBR2 Physical Layer
Requirements
• Used in WAN Serial Ports in Routers, Switches,
DSU/CSU's and other Access Devices
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
SP506
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 SP506 is a monolithic IC that supports eight (8) popular serial interface standards for DTE to DCE
connectivity. The SP506 is pin-to-pin compatible to our SP505 multi-protocol transceiver but with faster
throughput. The seven (7) drivers and seven (7) receivers can transmit and receive signals at 20Mbps.
As with SP505, the SP506 requires no additional external components for compliant operation for all
of the eight (8) modes of operation. All necessary termination is integrated within the SP506 and is
switchable when V.35 drivers, V.35 receivers, and V.11 receivers are used. The SP506 can operate
as either a DTE or DCE.
Additional features with the SP506 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 SP506 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 SP506 include separate
enable pins for added convenience.
EIA-530
WAN
V.35
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

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These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
VCC.......................................................................+7V
Input Voltages:
Logic............................-0.3V to (VCC+0.5V)
Drivers.........................-0.3V to (VCC+0.5V)
Receivers........................................±15.5V
Output Voltages:
Logic............................-0.3V to (VCC+0.5V)
Drivers................................................±15V
Receivers.....................-0.3V to (VCC+0.5V)
Storage Temperature.......................-65˚C to +150˚C
Power Dissipation per package - 80-pin QFP
(derate 18.3mW˚C above +70˚C).................1500mW
ABSOLUTE MAXIMUM RATINGS
STORAGE CONSIDERATIONS
Due to the relatively large package size of the 80-pin
quad flat-pack, storage in a low humidity environment
is preferred. Large high density plastic packages
are moisture sensitive and should be stored in Dry
Vapor Barrier Bags. Prior to usage, the parts should
remain bagged and stored below 40°C and 60%RH.
If the parts are removed from the bag, they should be
used within 48 hours or stored in an environment at
or below 20%RH. If the above conditions cannot be
followed, the parts should be baked for four hours at
125°C in order remove moisture prior to soldering.
Exar ships the 80-pin QFP in Dry Vapor Barrier Bags
with a humidity indicator card and desiccant pack. The
humidity indicator should be below 30%RH.
TA = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN TYP MAX UNITS CONDITIONS
LOGIC INPUTS
VIL
VIH
LOGIC OUTPUTS
2.0
0.8 Volts
Volts
VOL
VOH 2.4
V.28 DRIVER OUTPUT DC PARAMETERS
0.4 Volts IOUT = -3.2mA
Volts IOUT = 1.0mA
Open Circuit Voltage
+/-15
Volts Per Figure 1
Loaded Voltage
+/-5.0
+/-15
Volts Per Figure 2
Short-Circuit Current
+/-100
mA Per Figure 4
Power-Off Impedance
300
Per Figure 5
V.28 DRIVER OUTPUT AC PARAMETERS (Vcc = +5V for AC Parameters)
Transition Time
1.5 µs Per Figure 6; +3V to -3V
Instantaneous Slew Rate
30 V/ µs Per Figure 3
Propagation Delay tPHL
Propagation Delay tPLH
Max. Transmission Rate
0.5 1
0.5 1
120 230
5
5
µs
µs
kbps
V.28 RecEIver Input DC parameters
Input impedance
3 7 kΩ Per Figure 7
Open-Circuit Bias
+2.0 Volts Per Figure 8
HIGH Threshold
1.7 3.0 Volts
LOW Threshold
0.8 1.2
Volts
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

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TA = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Parameter
MIN. TYP. MAX. Units
V.28 RecEIver AC Parameters (Vcc = +5V for AC Parameters)
Propagation Delay tPHL
Propagation Delay tPLH
Max Transmission Rate
50 100 500
ns
50 100 500
ns
120 230
kbps
V.10 Driver Output DC Parameters
Open Circuit Voltage
+/-4.0
+/-6.0 Volts
Test Terminated Voltage
0.9Vcc
Volts
Short-Circuit Current
+/-150 mA
Power-Off Current
+/-100 mA
V.10 Driver AC Parameters (Vcc = +5V for AC Parameters)
Transition Time
200 ns
Propagation Delay tPHL
Propagation Delay tPLH
Max Transmission Rate
50 100 500
ns
50 100 500
ns
120 230
kbps
Conditions
Per Figure 9
Per Figure 10
Per Figure 11
Per Figure 12
Per Figure 13; 10% to 90%
V.10 RECEIVER INPUT DC Parameters
Input Current
-3.25
+3.25
mA Per Figures 14 and 15
Input Impedance
4
kΩ
Sensitivity
+/-0.3 Volts
V.10 RECEIVER AC Parameters (Vcc = +5V for AC Parameters)
Propagation Delay tPHL
Propagation Delay tPLH
Max Transmission Rate
50 120 250
ns
50 120 250
ns
120 kbps
V.11 Driver Output DC Parameters
Open Circuit Voltage
+/-5.0 Volts Per Figure 16
Test Terminated Voltage
+/-2.0
Volts Per Figure 17
Balance
0.5VOC
0.67VOC
+/-0.4
Volts
Volts
Per Figure 17
Per Figure 17
Offset
+3.0 Volts Per Figure 17
Short-Circuit Current
+/-150 mA Per Figure 18
Power-Off Current
+/-100 µA Per Figure 19
V.11 Driver OUTPUT AC Parameters (Vcc = +5V for AC Parameters)
Transition Time
20 ns Per Figures 21 and 36; 10% to 90%
Propagation Delay tPHL
Propagation Delay tPLH
Differential Skew
Max. Transmission Rate
50 65 85 ns Per Figures 33 and 36; CL = 50pF
50 65 85 ns Per Figures 33 and 36; CL = 50pF
10 20 ns Per Figures 33 and 36; CL = 50pF
20 Mbps Per Figure 33; CL = 50pF,
fIN = 10MHz
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

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TA = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN TYP MAX UNITS CONDITIONS
V.11 ReceIver Input DC Parameters
Common Mode Range
-7
+7 Volts
Sensitivity
+/-0.3 Volts
Input Current
-3.25
+3.25
mA Per Figures 20 and 22
Current w/ 100Ω Termination
+/-60.75 mA Per Figures 23 and 24
Input Impedance
4
kΩ
V.11 RecEiver Input AC Parameters (Vcc = +5V for AC Parameters)
Propagation Delay tPHL
Propagation Delay tPLH
Differential Skew
Max. Transmission Rate
30 65
30 65
10
20
V.35 Driver Output DC Parameters
85 ns Per Figures 33 and 38; CL = 50pF
85 ns Per Figures 33 and 38; CL = 50pF
ns Per Figures 33; CL = 50pF
Mbps Per Figure 33; CL = 50pF,
fIN = 10MHz
Open Circuit Voltage
+/-1.20 Volts Per Figure 16
Test Terminated Voltage
+/-0.44
+/-0.66 Volts Per Figure 25
Offset
+/-0.6 Volts Per Figure 25
Source Impedance
Short Circuit Impedance
50
135
150 Per Figure 27; ZS = V2/V1 x 50 Ω
165 Per Figure 28
V.35 Driver Output AC Parameters (Vcc = +5V for AC Parameters)
Transition Time
30 40 ns Per Figure 29; 10% to 90%
Propagation Delay tPHL
Propagation Delay tPLH
Differential Skew
Max. Transmission Rate
50 70
50 70
7
20
V.35 RECEIVER INPUT DC PARAMETERS
90 ns Per Figures 33 and 36; CL = 20pF
90 ns Per Figures 33 and 36; CL = 20pF
10 ns Per Figure 33 and 36; CL = 20pF
Mbps Per Figure 33; CL = 20pF,
fIN = 10MHz
Sensitivity
+/-80
mV
Source Impedance
Short Circuit Impedance
90
135
110 Per Figure 30; ZS = V2/V1 x 50 Ω
165 Per Figure 31
V.35 RECEIVER INPUT AC PARAMETERS (Vcc = +5V for AC Parameters)
Propagation Delay tPHL
Propagation Delay tPLH
Differential Skew
Max. Transmission Rate
30 75
30 75
10
20
90 ns Per Figures 33 and 38; CL = 20pF
90 ns Per Figures 33 and 38; CL = 20pF
ns
Mbps
Per Figures 33; CL = 20pF
Per Figure 33; CL = 20pF,
fIN = 10MHz
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

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