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EDS2516APSA Datasheet

Part Number EDS2516APSA
Manufacturers Elpida Memory
Logo Elpida Memory
Description 256M bits SDRAM
Datasheet EDS2516APSA DatasheetEDS2516APSA Datasheet (PDF)

DATA SHEET 256M bits SDRAM EDS2508APSA (32M words × 8 bits) EDS2516APSA (16M words × 16 bits) Description The EDS2508AP is a 256M bits SDRAM organized as 8,388,608 words × 8 bits × 4 banks. The EDS2516AP is a 256M bits SDRAM organized as 4194304 words × 16 bits × 4 banks. All inputs and outputs are referred to the rising edge of the clock input. It is packaged in standard 60-ball µBGA. Pin Configurations /xxx indicates active low signal. 1 A VSS DQ15 (DQ7)* DQ0 VDD 2 3 4 5 6 B DQ14 VSSQ.

  EDS2516APSA   EDS2516APSA






256M bits SDRAM

DATA SHEET 256M bits SDRAM EDS2508APSA (32M words × 8 bits) EDS2516APSA (16M words × 16 bits) Description The EDS2508AP is a 256M bits SDRAM organized as 8,388,608 words × 8 bits × 4 banks. The EDS2516AP is a 256M bits SDRAM organized as 4194304 words × 16 bits × 4 banks. All inputs and outputs are referred to the rising edge of the clock input. It is packaged in standard 60-ball µBGA. Pin Configurations /xxx indicates active low signal. 1 A VSS DQ15 (DQ7)* DQ0 VDD 2 3 4 5 6 B DQ14 VSSQ (NC)* VDDQ DQ1 (NC)* DQ2 (DQ1)* Features • • • • • 3.3V power supply Clock frequency: 133MHz (max.) LVTTL interface Single pulsed /RAS 4 banks can operate simultaneously and independently • Burst read/write operation and burst read/single write operation capability • Programmable burst length (BL): 1, 2, 4, 8, full page • 2 variations of burst sequence  Sequential (BL = 1, 2, 4, 8)  Interleave (BL = 1, 2, 4, 8) • Programmable /CAS latency (CL): 2, 3 • Byte control by DQM : DQM (EDS2508AP) : UDQM, LDQM (EDS2516AP) • Refresh cycles: 8192 refresh cycles/64ms • 2 variations of refresh  Auto refresh  Self refresh C D DQ13 VDDQ (DQ6)* DQ12 DQ11 (NC)* (DQ5)* VSSQ DQ4 DQ3 (DQ2)* (NC)* VDDQ DQ5 (NC)* DQ6 (DQ3)* DQ7 (NC)* NC E DQ10 VSSQ (NC)* F DQ9 VDDQ (DQ4)* VSSQ G DQ8 (NC)* NC NC H NC VSS UDQM (DQM)* CLK VDD LDQM (NC)* /RAS J NC /WE K L NC /CAS CKE A12 NC /CS M A11 A9 BA1 BA0 N A8 A7 A0 A10 P A6 A5 A2 A1 R VSS A4 A3 VDD (Top view) Note: ( )* marked pins are for EDS.


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