EDS2532EEBH-9A
EDS2532EEBH-9A is 256M bits SDRAM manufactured by Elpida Memory.
Description
The EDS2532EEBH is a 256M bits SDRAM organized as 2,097,152 words × 32 bits × 4 banks. All inputs and outputs are synchronized with the positive edge of the clock. It is packaged in 90-ball FBGA.
Pin Configurations
/xxx indicate active low signal.
90-ball FBGA
1 2 3 4 5 6 7 8 9
DQ26 DQ24 VSS VDD DQ23 DQ21 VDDQ VSSQ DQ19 DQ22 DQ20 VDDQ DQ17 DQ18 VDDQ NC A2 A10 NC BA0
/CAS
DQ6
DQ1
Features
- -
- -
- - 1.8V power supply Clock frequency: 111MHz (max.) LVCMOS interface Single pulsed /RAS ×32 organization 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 and full page
- 2 variations of burst sequence Sequential (BL = 1, 2, 4, 8, full page) Interleave (BL = 1, 2, 4, 8)
- Programmable /CAS latency (CL): 2, 3
- Programmable driver strength: Half , Quarter
- Byte control by DQM
- Address 4K Row address /512 column address
- Refresh cycles 4096 refresh cycles/64ms
- 2 variations of refresh Auto refresh Self refresh
- FBGA package with lead free solder (Sn-Ag-Cu) Ro HS pliant
DQ28 VDDQ VSSQ
VSSQ DQ27 DQ25
VSSQ DQ29 DQ30
VDDQ DQ31 NC A3 A6 NC A9
DQ16 VSSQ DQM2 VDD A0 BA1 /CS A1 A11 /RAS
VSS...