SP502CF Exar Corporation, SP502CF Datasheet
SP502CF
Related parts for SP502CF
SP502CF Summary of contents
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Single-Chip Serial Transceiver Supports Industry-Standard Software-Selectable Protocols: — RS-232 (V.28) — RS-422A (V.11, X.27) — RS-449 — RS-485 — V.35 — EIA-530 Programmable Selection of Interface +5V-Only Operation Six (6) Drivers and Seven (7) Receivers Surface Mount Packaging DESCRIPTION… ...
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SPECIFICATIONS MIN. LOGIC INPUTS 2.0 IH LOGIC OUTPUTS 2.4 OH RS-485 DRIVER TTL Input Levels 2.0 IH Outputs HIGH Level Output LOW level Output Differential Output ±1.5 Balance Open Circuit Voltage ...
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SPECIFICATIONS (Continued) MIN. RS-422 DRIVER TTL Input Levels 2.0 IH Outputs Differential Output ±2.0 Open Circuit Voltage,V O Balance Offset Short Circuit Current Power Off Current Transition Time Maximum Transmission Rate 5 RS-422 RECEIVER TTL Output ...
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SPECIFICATIONS (Continued) MIN. RS-423 DRIVER Open Circuit Voltage ±4.0 Short Circuit Current Power Off Current Transition Time Maximum Transmission Rate 120 RS-423 RECEIVER TTL Output Levels 2.4 OH Input HIGH Threshold +0.2 LOW Threshold -7.0 Common ...
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AC CHARACTERISTICS PARAMETER MIN. SINGLE–ENDED MODE RS-232 Driver Propagation Delay t PHL t PLH t PHL t PLH Receiver Propagation Delay t PHL t PLH RS-423 Driver Propagation Delay t PHL t PLH Receiver Propagation Delay t PHL t PLH ...
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OTHER AC CHARACTERISTICS (continued) PARAMETER DELAY TIME FROM ENABLE MODE TO TRI–STATE MODE RS-232 (SINGLE–ENDED MODE Enable to Output LOW PZL t ; Enable to Output HIGH PZH t ; Disable from Output LOW PLZ t ; Disable ...
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PINOUT… RxD 1 RDEC 2 0 RDEC 3 1 RDEC 4 2 RDEC 5 3 ST/TT 6 GND TDEC 9 SP502 3 TDEC 10 2 TDEC 11 1 TDEC 12 0 DTR 13 TxD 14 TxC ...
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Pin 78 — DSR— Data Set Ready; TTL output; sourced from DM(a), DM(b) inputs. Pin 80 — CTS— Clear To Send; TTL output; sourced from CS(a) and CS(b) inputs. CONTROL REGISTERS Pins 2–5 — RDEC0 – RDEC3 — Receiver decode ...
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– – – + – –5V –5V 3 Figure 1. Charge Pump Phase 1. tor C is switched to +5V and ...
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– – – + – –5V –5V 3 Figure 4. Charge Pump Phase 3. power supplies should provide a power supply ...
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D and D are Schottky diodes. They 1 2 are necessary to guard against rates of rise greater than 1V/µs, which can cause start–up problems 22µF 16V 22µF 16V 31 1N5819 D ...
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The RS-232 drivers are used in RS-232 mode for all signals, and also in V.35 mode where they are used as the control line signals. The RS-423 drivers output a minimum of ±3.6V level single–ended ...
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Table 2 shows a summary of the electrical characteristics of the receivers in the different interface modes. Unused receiver in- puts can be ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RT(a) 37 RxC 20 CS(a) 66 CTS 80 DM(a) 68 DSR 78 RR(a) 35 DCD 19 IC( RxT 79 ST/TT 1 Enabled 0 Disabled ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RD(b) 71 RT(a) 37 RxC 20 RT(b) 38 CS(a) 66 CTS 80 DM(a) 68 DSR 78 RR(a) 35 DCD 19 IC( RxT 79 ST/TT ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RD(b) 71 RT(a) 37 RxC 20 RT(b) 38 CS(a) 66 CTS 80 CS(b) 67 DM(a) 68 DSR 78 DM (b) 69 RR(a) 35 DCD 19 RR(b) 36 ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RD(b) 71 RT(a) 37 RxC 20 RT(b) 38 CS(a) 66 CTS 80 CS(b) 67 DM(a) 68 DSR 78 DM (b) 69 RR(a) 35 DCD 19 RR(b) 36 ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RD(b) 71 RT(a) 37 RxC 20 RT(b) 38 CS(a) 66 CTS 80 CS(b) 67 DM(a) 68 DSR 78 DM (b) 69 RR(a) 35 DCD 19 RR(b) 36 ...
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DRIVER TDEC TDEC TDEC RD(a) 70 RxD 1 RD(b) 71 RT(a) 37 RxC 20 RT(b) 38 CS(a) 66 CTS 80 CS(b) 67 DM(a) 68 DSR 78 DM (b) 69 RR(a) 35 DCD 19 RR(b) 36 ...
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APPLICATION EXAMPLE The example application that follows is a fully configured serial I/O channel in a DTE configu- ration. The example is comprised of the follow- ing functional elements: • Processor • SCC • SP502 • Mode Select Register (R0[WR]) ...
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Processor Figure 13. DTE Serial Communications Channel Rev. 7/21/03 SP502 Latch Latch ...
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Several other approaches for driving the RDEC and TDEC signals are possible. One approach would use two independent 4-bit latches, one each to drive the RDEC and TDEC pins as separate groups. Another approach would use one 4-bit latch, each ...
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SP502/SP503 EVALUATION BOARD The SP502/SP503 Evaluation Board (EB) Is designed to offer as much flexibility to the user as possible. Each board comes equipped with an 80-pin QFP Zero-Insertion Force socket to allow for testing of multiple devices. The control ...
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Figure 13. SP502/503 Evaluation Board Schematic Rev. 7/21/03 SP502 Multi-Mode Serial Transceiver 24 © Copyright 2003 Sipex Corporation ...
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Figure 14a. Evaluation Board — Top Layers Rev. 7/21/03 SP502 Multi-Mode Serial Transceiver 25 © Copyright 2003 Sipex Corporation ...
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Figure 14b. Evaluation Board — Bottom Layers Rev. 7/21/03 SP502 Multi-Mode Serial Transceiver 26 © Copyright 2003 Sipex Corporation ...
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Figure 15. External Transient Suppressors Rev. 7/21/03 SP502 Multi-Mode Serial Transceiver 27 © Copyright 2003 Sipex Corporation ...
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EDGE DUT PIN CONNECTOR DESCRIPTIONS 01 TxD (pin 14) –TTL Input – Transmit data; source for SD(a) and SD(b) out- puts. 02 DTR (pin 13) – TTL ...
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EDGE DUT PIN CONNECTOR DESCRIPTIONS 26 ST (pin 22) – TTL Input – Send Tim- ing; source for ST(a) and ST(b) out- puts. SP503 only. 27 ...
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PACKAGE: 80 PIN MQFP PIN 80–PIN MQFP DIMENSIONS JEDEC MS-22 Minimum/Maximum (BEC) Variation (mm) SYMBOL MIN A A1 0.00 A2 1.80 b 0.22 D 17.20 BSC D1 14.00 BSC ...
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PACKAGE: 80 PIN LQFP D D1 PIN 80-PIN LQFP DIMENSIONS JEDEC MS-026 Minimum/Maximum (BEC) Variation (mm) SYMBOL MIN A A1 0.05 A2 1.35 b 0.22 D 16.00 BSC D1 14.00 BSC e ...
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... Model SP502CF ............................................... 0°C to +70°C ............................ 80–pin JEDEC (MS-022 BC) MQFP SP502CM .............................................. 0°C to +70°C ........................... 80-pin JEDEC (MS-026 BEC) LQFP Corporation ANALOG EXCELLENCE Sipex Corporation Headquarters and Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Sales Office ...