Datenblatt-Suchmaschine für elektronische Bauteile |
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AMB0480XXRH Datenblatt(PDF) 11 Page - Integrated Device Technology |
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AMB0480XXRH Datenblatt(HTML) 11 Page - Integrated Device Technology |
11 / 15 page 11 IDTAMB0480 ADVANCEDMEMORYBUFFERFORFULLYBUFFEREDDIMM COMMERCIALTEMPERATURERANGE Signal Type Description Clocking SCK I AMB Clock: This is one of the two differential reference clock inputs to the Phase Locked Loop in the AMB core. Phase Locked Loops in the AMB will shift this to all frequencies required by the core, DDR channels, and FBD Channel. SCK I AMB Clock Complement: This is the other differential reference clock input to the Phase Locked Loop in the AMB core. Phase Locked Loops in the AMB will shift this to all frequencies required by the core, DDR channels, and FBD Channel. PLLTSTO O PLL Clock Observability Output: This pin can be used to observe VCO, reference clock, core clock, etc. For system debug and design characterization. VCCA PLL A VCC: PLL Analog Voltage for the core PLL VSSA PLL A VSS: PLL Analog Voltage for the core PLL System Management SCL I/O SMBus Clock SDA I/O SMBus Address/Data SA[2:0] DIMM Select ID Reset RESET Power Good Reset Miscellaneous Test TEST (4 pins) N C Pin for debug and test. Must be floated on DIMM. TESTLO (5 pins) A Pin for debug and test. Must be tied to Ground on DIMM TESTLO_AB20 A Pin for debug and test. Connected to two resistors. One resistor is connected to VCCFBD, the other resistor is connected to VSS. TESTLO_AC20 A Pin for debug and test. Connected to two resistors. One resistor is connected to VCCFBD, the other resistor is connected to VSS. Power Supplies VCC (24 pins) A 1.5V nominal supply for core I/O VCCFBD (8 pins) A 1.5V nominal supply for FBD high speed I/O VDD (24 pins) A 1.8V nominal supply for DDR I/O VSS (156 pins) A Ground VDDSPD A 3.3V nominal supply for SMB receivers and ESD diodes Other Pins BFUNC I Buffer Function Bit: When BFUNC = 0, AMB is used as a regular buffer on FBDIMM. When BFUNC = 1, AMB is used as either a repeater or a buffer for LAI function. On FB-DIMM, BFUNC is tied to Ground RFU (18 pins) N C Reserved for Future Use. Must be floated on DIMM. RFU pins denoted by “a” are reserved for forwarded clocks in future AMB implementations. Other No Connect Pins NC (129 pins) N C No Connect pins PIN DESCRIPTION (CONT.) |
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