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PLL103-06XC Datasheet(PDF) 2 Page - PhaseLink Corporation |
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PLL103-06XC Datasheet(HTML) 2 Page - PhaseLink Corporation |
2 / 7 page Preliminary PLL103-06 DDR SDRAM Buffer with 2 DDR or 3 SDRAM DIMMS 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 12/20/00 Page 2 PIN DESCRIPTIONS Name Number Type Description FBOUT 1 O Feedback clock for chipset. Output voltage depends on VDD3.3_2.5V. BUF_IN 10 I Reference input from chipset. 3.3V input for STANDARD SDRAM mode; 2.5V input for DDR-ONLY mode. PD 2 I Power Down Control input. When low, it will tri-state all outputs. SEL_DDR 28 I Input configure for DDR-ONLY mode or STANDARD SDR mode. 1 = DDR-ONLY mode (when VDD3.3_2.5 select 2.5V); 0 = SDR mode (when VDD3.3_2.5 select 3.3V). In DDR-ONLY mode, all outputs will be configured as DDR outputs. In STANDARD SDR mode, all outputs will be configured as SDRAM outputs. DDR[0:5]T_SDRAM [0,2,4,6,8,10] 3,7,12,19, 23,27 O When SEL_DDR=1, these outputs provide DDR mode outputs; when SEL_DDR=0, these outputs provide standard SDRAM mode outputs. Voltage swing depends on VDD3.3_2.5. DDR[0:5]C_SDRAM [1,3,5,7,9,11] 4,8,13,18, 22,26 O When SEL_DDR=1, these outputs provide complementary copies of BUF_IN; when SEL_DDR=0, these outputs provide standard SDRAM mode outputs. Voltage swing depends on VDD3.3_2.5. VDD3.3_2.5 5,9,14,21,25 P When VDD=2.5V, SEL_DDR=1. DDR-ONLY mode is selected; when VDD=3.3V, SEL_DDR=0. STANDARD SDRAM mode is selected. GND 6,11,17, 20,24 P Ground. |
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