78P2351R-IMR/F Maxim Integrated Products, 78P2351R-IMR/F Datasheet
78P2351R-IMR/F
Specifications of 78P2351R-IMR/F
Related parts for 78P2351R-IMR/F
78P2351R-IMR/F Summary of contents
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... DESCRIPTION The 78P2351R is Teridian’s second generation Line Interface Unit (LIU) for 155 Mbit/s electrical SDH interfaces (STM1e). The device is a single chip solution that includes an integrated Clock & Data Recovery in both the transmit and receive paths for easy, cost efficient NRZ to CMI conversion. ...
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... ADDRESS 1-5: STATUS MONITOR REGISTER.........................................................................12 ADDRESS 1-6, 1-7: RESERVED...................................................................................................13 PIN DESCRIPTION ....................................................................................................... 14 LEGEND ...............................................................................................................................................14 TRANSMITTER PINS ...........................................................................................................................14 RECEIVER PINS ..................................................................................................................................14 REFERENCE AND STATUS PINS ......................................................................................................14 CONTROL PINS ..................................................................................................................................15 SERIAL-PORT PINS ............................................................................................................................16 POWER AND GROUND PINS .............................................................................................................16 Page 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... RECEIVER SPECIFICATIONS FOR CMI INTERFACE (Transformer-coupled)..................................25 RECEIVER JITTER TOLERANCE ..........................................................................................................26 RECEIVER JITTER TRANSFER FUNCTION .........................................................................................27 LOSS OF SIGNAL CONDITIONS ...........................................................................................................28 APPLICATION INFORMATION .................................................................................... 28 EXTERNAL COMPONENTS ...................................................................................................................28 TRANSFORMER SPECIFICATIONS ......................................................................................................28 THERMAL INFORMATION .....................................................................................................................28 MECHANICAL SPECIFICATIONS ............................................................................... 29 PACKAGE INFORMATION .......................................................................................... 30 ORDERING INFORMATION Revision History ........................................................................................................................................31 Page ............................................................................................................ 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter 30 Rev. 2.1 ...
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... Note that Loss of Signal detection is disabled during Rx Monitor Mode. Receive Loss of Signal Detect The 78P2351R includes a Loss of Signal (LOS) detector. signal is less than approximately 19dB below nominal for approximately 110 UI, Receive Loss of Signal is asserted ...
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... CKREFP/N as signal for shown in Figure 2, the 78P2351R can be optionally used in synchronous mode or re-timing mode. In this mode, the 78P2351R will recover the clock from the NRZ data input and re-time the data in an integrated +/- 4-bit FIFO. System Reference Clock Framer/ ...
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... TXOUT1 pin Low 1 Float 0 POWER-DOWN FUNCTION Power-down control is provided to allow the 78P2351R to be shut off. Transmit and receive power-down can be set independently through SW control. Global power-down is achieved by powering down both the transmitter and receiver. Note: the 4-wire serial port interface and configuration registers are not affected by power- down ...
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... Page SERIAL CONTROL INTERFACE The serial port controlled register allows a generic controller to interface with the 78P2351R used for mode settings, diagnostics and test, retrieval of status and performance information, and for on-chip fuse trimming during production test. The SPSL pin must be high in order to use the serial port ...
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... RXLOS <X> <X> <X> <X> 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Bit 2 Bit 1 Bit 0 Read/ Sub-Address Write SA[1] SA[0] R/W* Bit 3 Bit 2 Bit 1 CKSL[ <X> <X> <X> <0> <0> ...
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... Note: Default values depend on the CKSL pin setting upon reset or power up. Reserved. Register Soft-Reset: When this bit is set, all registers are reset to their default values. This register bit is self-clearing. DESCRIPTION Reserved. DESCRIPTION Reserved. 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... FIFO. Note: Default values depend on the CKMODE pin setting upon reset or power up. Receive Monitor Mode Enable: 0: Normal Operation 1: Adds 20dB of flat gain to the receive signal before equalization. Reserved. 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... NOTE: FIFO reset not required for Plesiochronous Mode DESCRIPTION Reserved. Transmit Fixed Equalizer Enable: When enabled, compensates for between 0.75m and 1.5m of FR4 trace to the LVPECL data inputs SIDP/N 0: Normal Operation 1: Enable equalizer 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... This bit is set whenever the internal FERR signal is asserted, indicating that the FIFO is operating at its depth limit reset to 0 when the FRST bit is asserted. 0: Normal operation 1: Transmit FIFO phase error 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... ADDRESS 1-7: RESERVED DFLT BIT NAME TYPE VALUE 7:0 RSVD R/O 0 Page DESCRIPTION Reserved for pulse amplitude programmability. Contact Teridian applications support for more information. DESCRIPTION Reserved for test. 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... CKREFP (tie CKREFN to ground when unused). Loss of Signal (active-high): Standards compatible loss of signal indicator. Power-On Reset (active low): See Power-On Reset description on use of this pin. Do not pull-up to Vcc. 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... Low: Enables fixed LVPECL equalizer at the transmit inputs SIDP/N (for FR4 trace lengths up to 1.5m). Float: Normal operation High: Normal operation Low: Nominal amplitude Float: 5% amplitude boost High: 10% amplitude boost Low: 19.44MHz Float: 77.76MHz High: 155.52MHz 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... Write operation. Both address and data are input least significant bit first. Outputs register information during a Read operation. Data is output least significant bit first TYPE DESCRIPTION S Power Supply (Vdd) G Ground 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...
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... VDC -40 to 85°C -40 to 125°C SYMBOL CONDITIONS Idd Max cable length Transmitter disabled Iddr (PDTX=1) Iddq PDTX=1, PDRX=1 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN NOM MAX UNIT 160 mA 180 92 mA 106 Rev ...
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... Vtil Vtih Rtiz SYMBOL CONDITIONS Vt+ Vt- Iil, Iih Cin SYMBOL CONDITIONS Vol Iol = 8mA Voh Ioh = -8mA 20pF, 10-90% L Rscr Iz 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN NOM MAX 1.9 2 MIN NOM MAX 0.8 2 120 8 MIN ...
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... CONDITIONS Vol Iol = 8mA Ipd Logic high output Rpu SYMBOL CONDITIONS -- Synchronous mode -- Plesiochronous or Loop-timing mode. (see Note 1) 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN NOM MAX UNIT 0.5 0.8 1.1 -1.55 -1.2 -1.1 20 0.8 1 ...
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... SA2 SDO Page (continued) SYMBOL CONDITIONS tsu th tprop SCK t prop PA0 PA1 PA2 PA3 D0 D1 Figure 6: Read Operation PA0 PA1 PA2 PA3 Figure 7: Write Operation 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN TYP MAX UNIT MHz t ...
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... CONDITION Template, steady state 10-90% Negative Transitions Positive Transitions at Interval Boundaries Positive Transitions at mid- interval CONDITION Driver is open drain 7MHz to 240MHz 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN NOM MAX UNIT 0.9 1.04 1 -0.1 0.1 -0 ...
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... Figure 8 – Mask of a Pulse corresponding to a binary Zero. Page (continued 6.43ns 1.608ns 1ns 0.1ns 0.35ns 0.35ns 1ns 1ns 1.608ns 1.608ns (Note 1) 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter (Note 1) Nominal Pulse 1.608ns 1ns 0.1ns 0.1ns 1ns (Note 1) Rev. 2.1 ...
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... Figure 9 – Mask of a Pulse corresponding to a binary One Page (continued) 6.43ns 0.1ns 3.215ns 1.2ns 1.2ns 1ns 1.608ns (Note 1) 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter (Note 1) 1ns 0.5ns 0.5ns Nominal Pulse 3.215ns 1ns 1.608ns Rev. 2.1 ...
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... PARAMETER Transmitter Output Jitter Page (continued) 20dB/decade f1 f2 CONDITION 200 Hz to 3.5 MHz, measured with respect to CKREF for 60s 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Measured Jitter Amplitude MIN NOM MAX UNIT 0.075 UIpp Rev. 2.1 ...
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... MON=0. 12.7dB of cable loss MON=1. 20dB flat loss with 6dB cable loss (max) MON=0. All valid cable lengths. 7MHz to 240MHz 1.00E+06 1.00E+07 Frequency (Hz) Worst Case Typical 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN TYP MAX 70 550 ...
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... ELECTRICAL SPECIFICATIONS RECEIVER JITTER TOLERANCE The 78P2351R exceeds all relevant jitter tolerance specifications shown in Figure 11. STM-1e (electrical) jitter tolerance specifications are in ITU-T G.825. Receive jitter tolerance is not tested during production test. 100 10 1 0.1 0.01 1.E+00 10Hz Figure 11: Jitter Tolerance - electrical (CMI) interfaces ...
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... PARAMETER Receiver Jitter transfer function Jitter transfer function roll-off Page (continued) 1.00E+04 1.00E+05 Figure 12: Jitter Transfer CONDITION below 120 kHz 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter 1.00E+06 1.00E+07 MIN NOM MAX UNIT 0 per 20 decade ...
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... RXN CMIP CMIN VALUE CONDITIONS No forced air; 4-layer JEDEC test board No forced air; 4-layer JEDEC test board Die attach pad soldered to PCB 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter MIN TYP MAX -35 -19 -15 10 110 255 UNITS TOLERANCE Ω ...
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... BOTTOM VIEW 56-pin Quad Flat No-lead package (QFN) (All dimensions in mm) 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter 3.500 3.375 6.750 6.750 3.375 3.500 5.10 ± 0.15 5 ...
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... Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter 44 43 SCK_MON 42 SEN 41 SDI 40 SDO 39 VCC 38 GND 37 PORB 36 GND 35 CKSL 34 LOS 33 SPSL 32 VCC 31 GND 30 N PACKAGE MARK 78P2351R-IM xxxxxxxxxxP6 n/a xxxxxxx-xxx xxxxxxxxxxP6F Rev. 2.1 ...
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... TSC assumes no liability for applications assistance. Teridian Semiconductor Corp., 6440 Oak Canyon Rd., Irvine, CA 92618 TEL (714) 508-8800, FAX (714) 508-8877, http://www.teridian.com Page Revision History 2006 Teridian Semiconductor Corporation 78P2351R Serial 155M NRZ to CMI Converter Rev. 2.1 ...