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ONFI_3 IO Pad Set
The ONFI 3.0 library provides the combo driver / receiver cells, the ODT / driver impedance calibration cell, and the voltage reference cell to support both single-ended and differential ONFI 3.0 signaling. This library also meets the requirements for Toggle 2.0 signaling. The pad set includes a full complement of power, spacer, and adapter cells to assemble a complete pad ring by abutment. An included rail splitter allows isolated ONFI domains to be placed in the same pad ring with other power domains while maintaining continuous VDD/VSS in the pad ring for robust ESD protection.
Features
- ONFI Differential Clock Driver / Receiver Features:
- Driver – user-selectable on-die termination and
- programmable drive strength with ODT / ZO calibration
- and programmable “off” state control.
- o ODT Rtt = 30Ω / 50Ω / 75Ω / 100Ω / 150Ω
- o ZOUT = 18Ω / 25Ω / 35Ω / 50Ω
- o Off state – Z / pull-up / pull-down / bus keeper
- Receiver – single-ended and true differential outputs
- Powered by 1.8V I/O and 0.9V core supplies
- Maximum operating frequency – 266 MHz
Deliverables
- a. Physical abstract in LEF format (.lef)
- b. Timing models in Synopsys Liberty formats (.lib and .db)
- c. Calibre compatible LVS netlist in CDL format (.cdl)
- d. GDSII stream (.gds)
- e. Behavioral Verilog (.v)
- f. Layout Parasitic Extraction (LPE) SPICE netlist (.spice)
- g. Databook (.pdf)
- h. Library User Guide - ESD Guidelines (.pdf)
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