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CYV15G0404DXB Independent Clock Quad HOTLink II™ T ransceiver with Reclocker Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-02097 Rev .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 2 of 44 The CYV15G0404DXB satisfies the SMPTE-259M and SMPTE-292M compliance according to SMPTE EG34-1999 Pathological T est Requireme nts.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 3 of 44 Shifter TXLBA TXLBC T ransmit Path Block Diagram TXRA TEA Input Register Phase-Align Buff er Encoder BIST LFSR SPDSELA REFCLKA+ REFCLKA– T ra.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 4 of 44 INA1+ INA1– INA2+ INA2– INSELA INB1+ INB1– INB2+ INB2– INSELB INC1+ INC1– INC2+ INC2– INSELC IND1+ IND1– IND2+ IND2– INSELD Clo.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 5 of 44 WREN ADDR[3:0] DA T A[7:0] Device Configuration and Control Block = Internal Signal RXRA TE[A..D] FRAMCHAR[A..D] RFEN[A..D] RXCKSEL[A. .D] RFMODE[A..D ][1:0] RXBIST[A.. D] DECMODE[A..D] DECBYP[A.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 6 of 44 Pin Configuration (T op View) 123456789 10 11 12 13 14 15 16 17 18 19 20 A IN C1– OUT C1– IN C2– OUT C2– V CC IN D1– OUT D1– GND IN.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 7 of 44 Pin Configuration (Bottom View) 20 19 18 17 16 15 14 13 12 11 10 987654321 A OUT B2– IN B2– OUT B1– IN B1– V CC OUT A2– IN A2– GND .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 8 of 44 Pin Definitions CYV15G0404DXB Quad HO TLink II T ransceiver Name I/O Characteristics Signal Description T ransmit Path Dat a and St atus Signal.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 9 of 44 TXCLKOA TXCLKOB TXCLKOC TXCLKOD LV T T L O u t p u t T ransmit Cl ock Outp ut . TXCLKOx output clock is syn thesized by each channel’s transmit PLL and operates synchronous to the internal tran smit character clock.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 10 of 44 LDTDEN L VTTL Input, internal pull up Level Detect T ran sition Density Enable . When LDTDEN is HIGH , the signal le ve l detector , range controller , and transition den si ty detector are al l enabled to determin e if the RXPLL tracks REFCLKx± or the selected input serial data stream.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 1 1 of 44 LFIA LFIB LFIC LFID L VTTL Output, asynchronous Link Fault I ndication O utput . LFIx is an output status indicator sign al.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 12 of 44 CYV15G0404DXB HOTLi nk II Operation The CYV15G0404DXB is a hig hly configurable, independe nt clocking, quad-channel transceiver designe d to support reliable transfer of large quantities of data, using high spee d serial lin ks from multiple sources to multiple destinations.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 13 of 44 Once initialized, TXCLKx is allo wed to drift in phase as much a s ±180 degrees. If the input pha se of TXCLKx drifts beyond the handling capacity of the phase align buffer , TXERRx is asserted to indicate the l oss of data, and remains asserted until the p hase align buffer is initialized.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 14 of 44 T ransmit Modes Encoder Bypass When the Encoder is bypassed, the character captured from the TXDx[7:0] and T XCTx[1:0] input regi s t e r i s p a s s e d d i r e c t l y t o t h e transmit shifter without modification.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 15 of 44 The REFCLKx± inputs are differential inputs with each inp ut internally biased to 1.4V . If th e REFCLKx+ input is connecte d to a TTL, L VTTL, or L VCMOS clock source, the inpu t signal is recognized when it passes through the internally biased reference point.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 16 of 44 T ransition Density The transition detection lo gic checks for the absen ce of transi- tions spanning greater than six transmission characters (60 bits). If no transitions are present in the da ta received, the detection logic for that channel asserts LFIx .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 17 of 44 through the FRAMCHARx latche s through the configuration interfac e. The specific bit combinations of these framing characters are listed in T able 6 .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 18 of 44 Code rule violations or running d isparity errors that occur as part of the BIST loop do not cause an error indication. RXSTx[2:0] indicates 010b or 10 0b for one character period p er BIST loop to indicate loop co mpletion.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 19 of 44 When the 10B/8B decode r is bypa ssed, the framed 10 -b i t val u e is presented to th e associated output register , along with a status output signal indicating if the ch aracter i n the output register is one of the selected framing ch aracters.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 20 of 44 12, 13, and 14 con sist of global configuration bits and the last latch bank (15) is the mask latch bank that can be configured to perform bit-by-bit config uration .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 21 of 44 RXCKSELA RXCKSELB RXCKSELC RXCKSELD Receive Clock Select . The initialization value of the R XCKSELx latch = 1. RXCKSELx selects the receive clock source used to transfer data to the Output Regi sters and the clock source for the RXCLK ± outpu t.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 22 of 44 TXRA TEA TXRA TEB TXRA TEC TXRA TED T ransmit PL L Clock Rate Select . Th e initializati on value of the TXRA TEx latch = 0. TX RA TEx is used to select the clock multiplier for the Transmit PLL.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 23 of 44 Device Configuration Strategy The following is a se ries of ordered events needed to load the configuration latches on a per channel basis: 1. Pulse RESET Low after device power up. This operation resets all four channels.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 24 of 44 3-Level Sele ct Input s Each 3-Level select inputs reports as two bits in the scan register . These bits report the LOW , MID, and HIGH state of the associated input as 00, 10, and 1 1 respectively .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 25 of 44 Figure 2. Receive BIST St ate Machine Receive BIST Detected LOW Monitor Data Received RXSTx = BIST_ST ART (101) No RX PLL Out of Lock Y es, RX.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 26 of 44 Maximum Ratin gs Exceeding maximum ratings may im pair the useful life of device. These user g uid elines ar e no t te ste d . S torage T emperature ................. .............. ... –65 °C to +150°C Ambient T emperature with Power Applied .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 27 of 44 Differential CML Serial Output s: OUT A1 ± , OUT A2 ± , OUTB1 ± , OUTB2 ±, OUT C1 ± , OUTC2 ± , OUTD1 ± , OUTD2 ± V OHC Output HIGH V oltage (V cc Referenced) 100 Ω differential loa d V CC – 0.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 28 of 44 CYV15G0404DXB AC Electr ical Characteristics Parameter Description Min. Max Unit CYV15G0404DXB T ransmitter L VTTL Switching Characteristics Over the Operating Range f TS TXCLKx Clock Cycle Frequency 19.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 29 of 44 t TREFDS T ransmit Data Set-up T ime to REFCLKx - Full Rate (TXRA TEx = 0, TXCKSELx = 1) 2.4 ns T ransmit Dat a Set-up T ime to REFCLKx - Half Rate (TXRA TEx = 1, TXCKSELx = 1) 2.3 ns t TREFDH T ra nsmit Data Hold T ime from REFCLKx - Full Rate (TXRA TEx = 0, TXCKSELx = 1) 1.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 30 of 44 t RISE [20] CML Output Rise T ime 20 − 80% (CML T est Lo ad) SPDSELx = HIGH 60 270 ps SPDSELx = MID 100 500 ps SPDSELx =LOW 180 1000 ps t FA.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 31 of 44 Note 33. When REFCLKx± is configured for half rate opera tion (TXRA TE = 1) and dat a is captured using REFCLKx instead of a TXCLKx cloc k. Data is capt ured using both the rising and falling ed ges of REFCLKx.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 32 of 44 Switching W aveforms for the CY V15G0404DXB HOTLink II Receiver Notes 34. The TXCLK Ox output remains at the characte r rate regardless of the st ate of TXRA TE and does not follow t he duty cycle of REF CLKx±.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 33 of 44 Note 37. When operated with a half rate REFCLKx±, the setup and ho ld specifications for dat a relative to RXCLKx are relative to bot h risin.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 34 of 44 T able 1 1. Package Coordinate Signal Allocation Ball ID Signal Name Signal T ype Ball ID Signal Name Signal T ype Ball ID Signal Name Signal .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 35 of 44 C04 INSELB L VTTL IN F02 RXDC[7] L VTTL OUT L20 TXDB[6] L VTTL IN C05 VCC POWER F03 TXDC[0] L VTT L IN M01 RXDC[4] L VTT L OUT C06 U LCD L VTT.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 36 of 44 X3.230 Codes and Not ation Conventions Information transmitted over a serial link is encode d eight bits at a time into a 1 0-bit T ransmission Character a nd then sent serially , bit-by-bit.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 37 of 44 mission of any transmission charac ter , the transmit ter selects the proper version of the transmission character base d on the current running disparity value, and the transmitter calculates a new value for its running disparity based on the co ntents of the transmitted character .
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 38 of 44 T a b l e 1 4 . Val i d D a ta C h a r a c t e r s ( T X C T x [ 0 ] = 0, RXSTx[2:0] = 000) Data Byte Name Bit s Current RD − Current RD+ Data Byte Name Bits Current RD − Current RD+ HGF EDCBA abcd ei fghj abcd ei fghj HGF EDCBA abcdei fg hj abcdei fg hj D0.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 39 of 44 D0.2 010 00000 100111 0101 011000 0101 D0.3 011 00000 100111 0011 011000 1100 D1.2 010 00001 011101 0101 100010 0101 D1.3 011 00001 011101 0011 100010 1100 D2.2 010 00010 101101 0101 010010 0101 D2.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 40 of 44 D0.4 100 00000 100111 0010 011000 1101 D0.5 101 00000 100111 1010 011000 1010 D1.4 100 00001 011101 0010 100010 1101 D1.5 101 00001 011101 1010 100010 1010 D2.4 100 00010 101101 0010 010010 1101 D2.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 41 of 44 D0.6 110 00000 100111 0110 011000 0110 D0.7 111 00000 100111 0001 011000 1110 D1.6 110 00001 011101 0110 100010 0110 D1.7 111 00001 011101 0001 100010 1110 D2.6 110 00010 101101 0110 010010 0110 D2.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 42 of 44 T ab l e 1 5 . Val i d Sp e c i a l C h a r a c t e r C o d e s a n d S e q u e n c e s ( T X C T x = special character code or RXSTx[2:0] = 001) [38, 39] S.C. Code Name S.C. Byte Name Current RD − abcdei fghj Current RD+ abcdei fghj Cypress Alternate S.
CYV15G0404DXB Document #: 38-02097 Rev . *B Page 43 of 44 Ordering Information Spee d Orderin g Code Packag e Name Package T ype Operating Range S tandard CYV15G0404DXB-BGC BL256 256-Ball Ther ma lly .
Document #: 38-02097 Rev . *B Revised December 14, 2007 Page 44 of 44 IBM and ESCON are regi stered trademar ks, and FICON is a trademark, of Int ernational Busine ss Machines. HOTLink is a regi stered tradema rk and HOTLink II and MultiFrame are tr ademarks of Cypress Semicond uctor .
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