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EM44BM1684LBB Datasheet(PDF) 6 Page - Eorex Corporation |
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EM44BM1684LBB Datasheet(HTML) 6 Page - Eorex Corporation |
6 / 29 page eorex EM44BM1684LBB Jan. 2008 www.eorex.com Absolute Maximum Rating Symbol Item Rating Units VIN, VOUT Input, Output Voltage -0.5 ~ +2.3 V VDD, VDDQ, Power Supply Voltage -0.5 ~ +2.3 V VDDL, DLL Power Supply Voltage -0.5 ~ +2.3 V TOP Operating Temperature Range 0 ~ +85 °C TSTG Storage Temperature Range -55 ~ +100 °C PD Power Dissipation 1 W IOS Short Circuit Current 50 mA Note: Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could cause permanent damage. The device is not meant to be operated under conditions outside the limits described in the operational section of this specification. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Capacitance (VCC=1.8V ± 0.1V, f=1MHz, TA=25°C) DDR2-400/533 DDR2-667 Symbol Parameter Min. Max. Min. Max. Units CCK Input Capacitance of CK, /CK 1.0 2.0 1.0 2.0 pF CDCK Input Capacitance delta of CK, /CK - 0.25 - 0.25 pF CI Input Capacitance for others: CKE, Address, /CS, /RAS, /CAS, /WE 1.0 2.0 1.0 2.0 pF CDI Input Capacitance delta for others - 0.25 - 0.25 pF CIO Input/Output Capacitance DQ, DM, DQS, DQS, RDQS, RDQS 2.5 4 2.5 3.5 pF CDIO Input/Output Capacitance delta - 0.5 - 0.5 pF Recommended DC Operating Conditions (TA=0°C ~85°C) Symbol Parameter Min. Typ. Max. Units VDD Power Supply Voltage 1.7 1.8 1.9 V VDDDL Power Supply for DLL Voltage 1.7 1.8 1.9 V VDDQ Power Supply for Output Voltage 1.7 1.8 1.9 V VREF Input Reference Voltage 0.49* VDDQ 0.5* VDDQ 0.51* VDDQ V VTT Termination Voltage VREF - 0.04 VREF VREF +0.04 V VID DC differential Input Voltage 0.25 - VDDQ+0.6 V VIH Input Logic High Voltage VREF +0.125 - VDDQ+0.3 V VIL Input Logic Low Voltage -0.3 - VREF - 0.125 V Note: * All voltages referred to VSS. 6/29 |
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