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ASM4SSTVF16859-64TR Datasheet(PDF) 6 Page - Alliance Semiconductor Corporation |
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ASM4SSTVF16859-64TR Datasheet(HTML) 6 Page - Alliance Semiconductor Corporation |
6 / 16 page August 2004 ASM4SSTVF16859 rev 2.0 DDR 13-Bit to 26-Bit Registered Buffer 5 of 16 Recomended Operating Conditions - DDRI / DDR333 (PC1600, PC2100, PC2700)* Parameter Description Min Typ Max Unit VDD Supply voltage 2.3 2.5 2.7 V VDDQ I/O supply voltage 2.3 2.5 2.7 V VREF Reference voltage 1.15 1.25 1.35 V VTT Termination voltage VREF - 0.04 VREF VREF + 0.004 V VI Input voltage 0 VDD V VIH(DC) DC input high voltage VREF + 0.15 V VIH(AC) AC input high voltage VREF + 0.31 V VIL(DC) DC input low voltage VREF - 0.15 V VIL(AC) AC input low voltage Data Inputs VREF - 0.31 V VIH Input high voltage level 1.7 V VIL Input low voltage level RESETB 0.7 V VICR Common mode input range CLK 0.97 1.53 V VID Differential input voltage CLKB 0.36 V VIX Cross-point voltage of differential clock pair (VDDQ/2) - 0.2 (VDDQ/2) +0.2 V IOH High-level output current -20 mA IOl Low-level output current 20 mA TA Operating free-air temperature 0 70 °C Recomended Operating Conditions - DDRI-400 (PC3200)* Parameter Description Min Typ Max Units VDD Supply Voltage 2.5 2.6 2.7 V VDDQ I/O supply voltage 2.5 2.6 2.7 V VREF Reference voltage 1.25 1.3 1.35 V VTT Termination voltage VREF - 0.04 VREF VREF + 0.04 V VI Input voltage 0 VDDQ V VIH(DC) DC input high voltage VREF + 0.15 V VIH(AC) AC input high voltage VREF + 0.31 V VIL(DC) DC input low voltage VREF - 0.15 V VIL(AC) AC input low voltage Data Inputs VREF - 0.31 V VIH Input high voltage level 1.7 V VIL Input low voltage level RESETB 0.7 V VICR Common mode input range 0.97 1.53 V VID Differential input voltage CLK, CLKB 0.36 V VIX Cross-point voltage of differential clock pair (VDDQ/2) - 0.2 (VDDQ/2) + 0.2 V IOH High-level output current -16 mA IOL Low-level output current 16 mA TA Operating free-air temperature 0 70 C |
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