HDMP-1646 Avago Technologies, HDMP-1646 Datasheet
HDMP-1646
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HDMP-1646 Summary of contents
Page 1
... Low Power Consumption • Transmitter and Receiver Functions Incorporated onto a Single IC • Two Package Sizes Available: – PQFP (HDMP-1636) – PQFP (HDMP-1646) • 10-Bit Wide Parallel TTL Compatible I/Os • Single +3.3 V Power Supply • 5-Volt Tolerant I/Os • ESD Protection Applications • ...
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... PROTOCOL DEVICE BYTSYNC REFCLK ENBYTSYNC Figure 1. Typical Application Using the HDMP-16x6. DATA BYTE FRAME TX[0-9] TX TXCAP0 PLL/CLOCK TXCAP1 GENERATOR REFCLK RXCAP0 RXCAP1 RBC0 RBC1 FRAME DATA BYTE DEMUX RX[0-9] BYTE SYNC BYTSYNC Figure 2. HDMP-16x6 Transceiver Block Diagram. 712 HDMP-16x6 TRANSMITTER SECTION PLL PLL ...
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... Gigabit Ethernet specifi- cation, which uses an 8B/10B encoding scheme with special reserve characters for link management purposes. In order to accomplish this task, the HDMP-1636/46 incorporates the following: • TTL Parallel I/O’s • High Speed Phase Lock Loops • Clock Generation/Recovery Circuitry • ...
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... In order to accom- plish this, it uses the high speed serial clock recovered from the RX PLL/CLOCK RECOVERY block. This serial bit stream is sent to the FRAME DEMUX and BYTE SYNC block. HDMP-1636/46 (Transmitter Section) Timing Characteristics + 3. 3. ...
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REFCLK TX[0]-TX[9] DATA t SETUP Figure 3. Transmitter Section Timing. ± DOUT TX[0]-TX[9] REFCLK Figure 4. Transmitter Latency ...
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... HDMP-1636/46 (Receiver Section) Timing Characteristics + 3. 3. Symbol [1,2] b_sync Bit Sync Time t Time Data Valid Before Rising Edge of RBC valid_before t Time Data Valid After Rising Edge of RBC valid_after t RBC Duty Cycle duty t Rising Edge Time Difference A-B [3] t_rxlat ...
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... Symbol f Nominal Frequency (for Gigabit Ethernet Compliance) F Frequency Tolerance tol Symm Symmetry (Duty Cycle) HDMP-1636/46 (TRx) DC Electrical Specifications + 3. 3. Symbol V TTL Input High Voltage Level, Guaranteed High Signal IH,TTL for All Inputs ...
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... Output Peak-to-Peak Differential Voltage specified as DOUT+ minus DOUT-. a. Differential HS_OUT Output (Dout+ Minus Dout-). b. Single-Ended HS_OUT Output (Dout+). Eye Diagrams of the High-Speed Serial Outputs from the HDMP-1636/46 as Captured on the HP 83480A Digital Communications Analyzer. Tested with PRBS = 2 Figure 7. Transmitter DOUT Eye Diagrams. ...
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... OUTPUT) VARIABLE DELAY TTL b. Block Diagram of DJ Measurement Method. Parameter HDMP-1636 HDMP-1646 by the max I and subtracting the power dissipated outside the chip at the high speed 3.45 volts. CC resistors and receiver TTL outputs driving 10 pF loads. for these devices is 48 C/Watt for the HDMP-1636 and 44 C/Watt for the ...
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... Input TTL, Floats High When Left Open O-TTL Output TTL HS_OUT High Speed Output, ECL Compatible HS_IN High Speed Input C External Circuit Node S Power Supply or Ground HDMP-1636/46 (TRx) Pin Input Capacitance Symbol C Input Capacitance on TTL Input Pins INPUT O_TTL V _TTL ...
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... Rzz.zz = DIE REVISION S = SUPPLIER CODE YYWW = DATE CODE (YY = YEAR WORK WEEK) COUNTRY = COUNTRY OF MANUFACTURE (MARKED ON BACK OF DEVICE) Figure 11. HDMP-1636/46 (TRx) Package Layout and Marking, Top View. *Note: Pins 26 and 27 are designated as “no connect” pins and must be left unconnected ...
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TRx I/O Definition Name Pin Type BYTSYNC 47 O-TTL -DIN 52 HS_IN +DIN 54 -DOUT 61 HS_OUT Serial Data Outputs: High-speed outputs. These lines are active when +DOUT 62 ENBYTSYNC 24 I-TTL GND GND_RXA 51 S ...
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TRx I/O Definition (cont’d.) Name Pin Type RX[0] 45 O-TTL RX[1] 44 RX[2] 43 RX[3] 41 RX[4] 40 RX[5] 39 RX[6] 38 RX[7] 36 RX[8] 35 RX[9] 34 RXCAP0 48 C RXCAP1 49 TX[0] 2 I-TTL TX[1] 3 TX[2] 4 ...
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... The PLL capacitors are placed physically close to the appropriate pins on the HDMP- 1636/46. Keeping the lines short will prevent them from picking up stray noise from surrounding lines or components. ...
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... ALL DIMENSIONS ARE IN MILLIMETERS. PART NUMBER A1 HDMP-1636 10.00 HDMP-1646 14.00 TOLERANCE ± 0.10 ± 0.25 ± 0.05 BASIC + 0.15/ Figure 13. Mechanical Dimensions of HDMP-1636/46. Details Plastic 85% Tin, 15% Lead 300-800 m HDMP-1636 0.08 mm max HDMP-1646 0.10 mm max ...