EDS2732CABH
Description
The EDS2732CA 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 VDD DQ6 DQ1 DQ16 VSSQ DQM2 VDD A0 BA1 /CS A1 A11 /RAS
Features
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- 2.5V power supply Clock frequency: 133MHz/100MHz (max.) 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
- Byte control by DQM
- Address 8K Row address /256 column address
- Refresh cycles 4096 refresh...
