SP502CF Sipex Corporation, SP502CF Datasheet
SP502CF
Specifications of SP502CF
Related parts for SP502CF
SP502CF Summary of contents
Page 1
... V.35, and EIA-530. The SP502 is fabricated using low–power BiCMOS process technology, and incorporates a Sipex patented (5,306,954) charge pump allowing +5V only operation. Each device is packaged in an 80–pin Quad FlatPack package. Drivers Charge Pump SP502 Multi–Mode Serial Transceiver SP502 Driver Decode Multi-Mode Serial Transceiver 1 SP502 Receivers Receiver Decode © Copyright 2000 Sipex Corporation ...
Page 2
... Refer to graph Refer to graph Volts Over -7V to +12V common mode range Refer to graph Volts Volts Volts With termination network; R =100 L With termination network ns Mbps Volts Volts Volts Over -7V to +12V common mode range With termination network © Copyright 2000 Sipex Corporation ...
Page 3
... Multi-Mode Serial Transceiver 3 CONDITIONS R =100 – Rise/fall time, 10%-90% (a)-(b) (a)-(b) Refer to graph Refer to graph =0. = =2. Volts = =15pF Volts Volts k R =450 L Volts R =450 L © Copyright 2000 Sipex Corporation ...
Page 4
... Multi-Mode Serial Transceiver 4 UNITS CONDITIONS Volts Rise/fall time, 10-90% kbps Volts Volts Volts Volts Volts Refer to graph Refer to graph Volts k Volts mA V =5V; no interface selected RS423 RECEIVER +3.25mA –3V +3V +10V Maximum Input Current versus Voltage © Copyright 2000 Sipex Corporation ...
Page 5
... Note 4 Input = 0V to 3.0V; 100kHz Note 3 Loaded with 100 Loaded with 100 Input = a to GND -200mV to +200mV; 100kHz, Note 4 Input = 0V to 3.0V; 100kHz Note 3 Loaded with 100 Loaded with 100 Input = a to GND -200mV to +200mV; 100kHz, Note 4 © Copyright 2000 Sipex Corporation ...
Page 6
... Input = 0.8V to 2V, 60kHz ; Load = 3k , 2500pF Input = 0.8V to 2V, 2.5MHz; Load = 100 Input 0.8V to 2V, 2.5MHz; Load = 54 Input = 0.8V to 2V, 60kHz; Load = 450 for RS-423; Load = 100 for RS-422 Input = 0.8V to 2V, 60kHz; Load = 450 for RS-423; Load = 100 for RS-422 © Copyright 2000 Sipex Corporation ...
Page 7
... Pin 67 — CS(b)— Clear To Send; analog input, non-inverted; source for CTS. Pin 68 — DM(a)— Data Mode; analog input, inverted; source for DSR. Pin 69 — DM(b)— Data Mode; analog input, non-inverted; source for DSR. Multi-Mode Serial Transceiver 7 © Copyright 2000 Sipex Corporation ...
Page 8
... C . Simultaneously, the positive side of capaci- 3 Multi-Mode Serial Transceiver 8 , and Figure 3b shows the 2 . There is a free– 2 are initially charged to +5V. C – Since C is connected the V 2 © Copyright 2000 Sipex Corporation + is l – ...
Page 9
... RS-423 driver the worst case current – drain will be 11mA per driver. The external Multi-Mode Serial Transceiver – V Storage Capacitor – + – V Storage Capacitor SS C –10V 3 – from V+ will show a – compared © Copyright 2000 Sipex Corporation ...
Page 10
... RS-422– RS-422– RS-422+ RS-422+ RS-422– RS-422– RS-422+ RS-422+ RS-423 RS-423 tri–state tri–state RS-423 RS-423 tri–state tri–state RS-422– RS-422– RS-422+ RS-422+ RS-422– RS-422– RS-422+ RS-422+ © Copyright 2000 Sipex Corporation ...
Page 11
... All V connections can be tied CC 'together. Charge pump capacitors must be placed as close to the package as possible. 196 422 422 422 196 V.35 External Driver Output Termination Resistors 196 422 422 422 196 47 120 47 V.35 External Receiver Input Termination Resistors 47 120 47 © Copyright 2000 Sipex Corporation ...
Page 12
... RS-422– RS-422– RS-422+ RS-422+ RS-422– RS-422– RS-422+ RS-422+ RS-422– RS-422– RS-422+ RS-422+ RS-422– RS-422– RS-422+ RS-422+ RS-423 RS-423 15k to GND 15k to GND RS-422– RS-422– RS-422+ RS-422+ © Copyright 2000 Sipex Corporation ...
Page 13
... All receivers, with the ex- ception of SCT, do not have tri-state capability; the outputs will either be HIGH or LOW de- pending upon the state of the receiver input. Multi-Mode Serial Transceiver 13 –TDEC . The drivers can be put 3 0 –RDEC ; the code 0000 written 3 0 © Copyright 2000 Sipex Corporation ...
Page 14
... SP502 MODE: RS-232 RECEIVER TDEC RDEC RDEC Enabled Disabled Disabled Enabled Multi-Mode Serial Transceiver 14 RDEC RDEC TxD 61 SD(a) 13 DTR 58 TR(a) 16 RTS 54 RS( RL( LL(a) 15 TxC 42 ST(a) 6 ST/TT 63 TT(a) RxT* Active Inactive © Copyright 2000 Sipex Corporation ...
Page 15
... MODE: V.35 RECEIVER TDEC RDEC RDEC Enabled Disabled Disabled Enabled Multi-Mode Serial Transceiver 15 RDEC RDEC TxD 61 SD(a) 59 SD(b) 13 DTR 58 TR(a) 16 RTS 54 RS( RL( LL(a) 15 TxC 42 ST(a) 44 ST(b) 6 ST/TT 63 TT(a) 65 TT(b) RxT* Active Inactive © Copyright 2000 Sipex Corporation ...
Page 16
... MODE: RS-422 RECEIVER TDEC RDEC RDEC Enabled Disabled Disabled Enabled Multi-Mode Serial Transceiver 16 RDEC RDEC TxD 61 SD(a) 59 SD(b) 13 DTR 58 TR(a) 56 TR(b) 16 RTS 54 RS(a) 52 RS( RL(a) 45 RL( LL(a) 49 LL(b) 15 TxC 42 ST(a) 44 ST(b) 6 ST/TT 63 TT(a) 65 TT(b) RxT* Active Inactive © Copyright 2000 Sipex Corporation ...
Page 17
... MODE: RS-449 RECEIVER TDEC RDEC RDEC Enabled Disabled Disabled Enabled Multi-Mode Serial Transceiver 17 RDEC RDEC TxD 61 SD(a) 59 SD(b) 13 DTR 58 TR(a) 56 TR(b) 16 RTS 54 RS(a) 52 RS( RL( LL(a) 15 TxC 42 ST(a) 44 ST(b) 6 ST/TT 63 TT(a) 65 TT(b) RxT* Active Inactive © Copyright 2000 Sipex Corporation ...
Page 18
... MODE: RS-485 RECEIVER TDEC RDEC RDEC Disabled Active Enabled Inactive Multi-Mode Serial Transceiver 18 RDEC RDEC TxD 61 SD(a) 59 SD(b) 13 DTR 58 TR(a) 56 TR(b) 16 RTS 54 RS(a) 52 RS( RL(a) 45 RL( LL(a) 49 LL(b) 15 TxC 42 ST(a) 44 ST(b) 6 ST/TT 63 TT(a) 65 TT(b) RxT* © Copyright 2000 Sipex Corporation ...
Page 19
... SP502 MODE: EIA-530 RECEIVER TDEC RDEC RDEC Disabled Enabled Inactive Multi-Mode Serial Transceiver 19 RDEC RDEC TxD 61 SD(a) 59 SD(b) 13 DTR 58 TR(a) 56 TR(b) 16 RTS 54 RS(a) 52 RS( RL( LL(a) 15 TxC 42 ST(a) 44 ST(b) 6 ST/TT 63 TT(a) 65 TT(b) RxT* Active © Copyright 2000 Sipex Corporation ...
Page 20
... Likewise, selecting modes for RDEC that are shown in the table as unde- fined will result in indeterminate logic levels present on the TTL outputs of the SP502. Unde- fined RDEC or TDEC values should never be programmed. Multi-Mode Serial Transceiver 20 © Copyright 2000 Sipex Corporation ...
Page 21
... Figure 13. DTE Serial Communications Channel SP502 SP502 Latch Latch SCC Processor Multi-Mode Serial Transceiver 21 Logic Decode Address © Copyright 2000 Sipex Corporation ...
Page 22
... SP502 will be programmed for a variety of standards, then a better approach might be to provide the resistors as part of the cable adapter assembly used to convert from the standard EIA-530 connector pin-outs shown in the ex- ample to the V.35/ISO-2593 connector and pin-outs. Multi-Mode Serial Transceiver 22 © Copyright 2000 Sipex Corporation ...
Page 23
... Black = GND) or through the con- nector. For reference, the 80-pin QFP Socket is a TESCO part number FPQ-80-65-09A. The 50-pin connector is an AMP part number 749075-5. Multi-Mode Serial Transceiver 23 , and GND to the edge of the loads. The power and CC © Copyright 2000 Sipex Corporation ...
Page 24
... Figure 13. SP502/503 Evaluation Board Schematic SP502 Multi-Mode Serial Transceiver 24 © Copyright 2000 Sipex Corporation ...
Page 25
... Figure 14a. Evaluation Board — Top Layers SP502 Multi-Mode Serial Transceiver 25 © Copyright 2000 Sipex Corporation ...
Page 26
... Figure 14b. Evaluation Board — Bottom Layers SP502 Multi-Mode Serial Transceiver 26 © Copyright 2000 Sipex Corporation ...
Page 27
... Figure 15. External Transient Suppressors SP502 Multi-Mode Serial Transceiver 27 © Copyright 2000 Sipex Corporation ...
Page 28
... RS(a) (pin 54) – Analog Out – Ready to send; inverted; sourced from RTS. 25 RS(b) (pin 52) – Analog Out – Ready to send, non–inverted; sourced from RTS. Multi-Mode Serial Transceiver DUT PIN DESCRIPTIONS non–inverted: © Copyright 2000 Sipex Corporation ...
Page 29
... RTS (pin 16) – TTL Input – Ready to send; source for RS(a) and RS(b) out- puts. 50 TxC (pin 15) – TTL Input – Transmit clock; source for TT(A) and TT(B) outputs. Multi-Mode Serial Transceiver DUT PIN DESCRIPTIONS © Copyright 2000 Sipex Corporation ...
Page 30
... Model SP502CF ............................................... +70 C .................................................................. 80–pin QFP Corporation SIGNAL PROCESSING EXCELLENCE Sipex Corporation Headquarters and Sales Office 22 Linnell Circle Billerica, MA 01821 TEL: (978) 667-8700 FAX: (978) 670-9001 e-mail: sales@sipex.com Sales Office 233 South Hillview Drive Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described hereing ...