TC260 SD11 macros enable building high speed interfaces while consumin

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TC260 SD11 1.25/2.5Gb/s Dual Mode SerDes Macros
TC260 SD11 macros enable building high speed interfaces while consuming limited number pins between integrated circuits (ICs) implemented standard cell embedded array Toshiba's TC260 technology. More specifically, SD11 dual mode serial `SerDes' interface. supports data rates bands: 1-1.25Gb/s 2-2.5Gb/s. Designed power consumption, SD11 enables building interfaces with high number parallel channels. SD11 used backplanes, on-board chip-to-chip connections, Fibre Channel GigaEthernet applications. FEATURES
Enables high bandwidth interfacing between System ICs, with pins Supports data rates bands: 1-1.25Gb/s 2-2.5Gb/s Width parallel input output programmable 10b, 16b, Supports: Backplane applications On-board chip-to-chip connections 100MB/s 200MB/s Fibre Channel applications GigaEthernet applications Other industry-standard interfaces Single channel multi-channel, with modular macros optimum configuration Built-in pre-emphasis equalization improved transmission With design-in support Toshiba's high speed applications team Optimized ASICs Toshiba's advanced TC260 technology 0.14µm drawn gate lengths Logic CMOS embedded DRAM process library including MIPS processors Standard cell embedded array
DESCRIPTION each SD11 interface SD11 transceiver. transceiver contains transmitter block receiver block. transmitter accepts 10-bit wide logic signal parallel inputs serializes this data 1-bit wide 2.5Gb/s signal. transmitter driver outputs this signal differential signal over wires. rate input wires 250Mb/s wire, line with clock rates easily achievable ASIC cores. receiver receiver buffer accepts differential signal recovers timing information. deserializer generates 10-bit wide logic signal, together with aligned clock. Standard comma detection included. SD11 transceiver requires reference clock signal. transmitter includes pre-emphasis receiver includes equalization extend transmission over longer copper wires. data rates parallel input output widths this description examples. Other data rates widths possible. width parallel input output 10b, 20b. BLOCK DIAGRAM Shown block diagrams SD11 full-duplex interface SD11 transceiver macro. data rates figures examples; other data rates possible.
250Mb/s Wire Transmitter Block Transceiver Receiver Block Chip 2.5Gb/s Receiver Block Transceiver Transmitter Block Chip 250Mb/s Wire
Each 2.5Gb/s signal transmitted differential signal over wires.
Figure: SD11 Full-duplex Connection
TOSHIBA AMERICA ELECTRONIC COMPONENTS, INC.
TC260 SD11 1.25/2.5 Gb/s Product Brief
MODE
Application
Transmitter
SerDes interface data rate Gb/s 1-1.25 2-2.5 1-1.25 2-2.5 1.0625 1.25 2.125 1.0625 2.125 1-1.25 2-2.5
[19:0] Serializer BIST
Backplanes
REFCLK
On-board chip-to-chip 100MB/s Fibre Channel GigaEthernet 200MB/s Fibre Channel 100MB/s 200MB/s Fibre Channel Other industry-standard interfaces
BIST [19:0] [1:0] Comma Detect Aligner Deserializer Receiver
CDET
CDETEN
Figure: SD11 Transceiver Block Diagram Table: SD11 Applications Data Rates DEFINITION description SD11 transceiver shown below. name signal TD[19:0] REFCLK RD[19:0] RBC[1:0] TXP, RXP, CDETEN CDET MODE[ Description Transmitter block input Clock from chip core Transmitter reference clock input Receiver block output Recovered clock, chip core Differential transmitter output signal Differential receiver input signal Enables comma detection byte alignment Enabled when comma characters detected Settings determine serial bitrate band, parallel input output width data rate, reference clock frequency
Transmitters Receivers
SD11 macros enable building single channel multichannel interfaces. typical GigaEthernet Fibre Channel applications transmitter blocks receiver blocks kept together transceivers. Backplane on-board chip-to-chip applications separated transmitter blocks receiver blocks illustrated figure below. maximum number transceivers chip depends serial data rate power consumption budget. macros designed modular such that multi-channel configurations, transceiver submacros need repeating. typical applications, 10-bit frames 8b10b coded. SD11 macro does include required 8b10b encoder decoder. These functions provided user, available from third-party vendors Toshiba.
Transmitters
Receivers
Chip
Chip
Transmitters
Chip
Table: SD11 Macro Names Descriptions
Receivers
APPLICATIONS Different applications require different data rates. SD11 handles range applications data rates. table lists various applications with required available data rate serial interface.
Receivers
Transmitters
Figure: this Example Multi-channel Interfaces Between Multiple Chips, Chip Contains Multiple Banks Transmitters Receivers.
TC260 SD11 1.25/2.5 Gb/s Product Brief
SUPPORT TESTING Toshiba provides full design design-in support. Applications support available from Toshiba's experienced high-speed applications team. testing purposes, SD11 transceiver macro supports scan speed digital circuits BIST high speed circuits. SD11 macro also contains internal loop backs serial testing receiver transmitter path. POSITIONING VERSUS SD10 Toshiba also offers SD10 1.6/3.2Gb/s SerDes macro. This macro transmits receives data bands: 1-1.6 2-3.2Gb/s designed high performance. SD10 more suitable integrated physical layer circuit applications. higher power consumption, number channels multi-channel interfaces more limited. SD11 designed power consumption. CHARACTERISTICS Selected characteristics requirements listed. Parameter Zout Tosk** Tisk Vod*** Description Transmitter single-ended output impedance Receiver single-ended input impedance Skew between transmitter outputs Tolerable skew between receiver inputs Differential transmitter output signal swing Differential receiver input sensitivity Minimum -190 Typical Maximum Unit REFERENCES IEEE Draft 802.3z ANSI T11.2 PC-PH NCITS T11.2, Fibre Channel Physical Interface (FC-PI) NCITS T11.2, Fibre Channel High-Speed Parallel Interface (HSPI) ITU-T G.825 ITU-T G.958
ToutR/ToutF Transmitter output rise/fall time
Output skew package dependent
50ohm. More precise values:
Table: Selected Characteristics Requirements Parameter Vcc2 Vcc3 Tstart Description Supply voltage Supply voltage Start-up temperature Operating temperature Minimum Typical Maximum Unit
Table: Selected Characteristics Requirements
TC260 SD11 1.25/2.5 Gb/s Product Brief
trademarks their respective manufacturer registered certain jurisdictions.
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