2G bits GDDR5 SGRAM
DATA SHEET
2G bits GDDR5 SGRAM
EDW2032BBBG (64M words x 32 bits)
Specifications
Features
• Density: 2G bits • Organi...
Description
DATA SHEET
2G bits GDDR5 SGRAM
EDW2032BBBG (64M words x 32 bits)
Specifications
Features
Density: 2G bits Organization — 4Mbit x 32 I/O x 16 banks — 8Mbit x 16 I/O x 16 banks Package — 170-ball FBGA — Lead-free (RoHS compliant) and Halogen-free Power supply: — VDD: 1.6V/1.5V ± 3% and 1.35V ± 3% — VDDQ: 1.6V/1.5V ± 3% and 1.35V ± 3% Data rate: 7.0Gbps/6.0Gbps/5.0Gbps (max.) 16 internal banks Four bank groups for tCCDL = 3tCK 8n prefetch architecture: 256 bit per array Read or
Write access for x32; 128 bit for x16 Burst length (BL): 8 only Programmable CAS latency: 6 to 20 Programmable Write latency: 3 to 7 Programmable CRC READ latency: 1 to 3 Programmable CRC WRITE latency: 8 to 14 Programmable EDC hold pattern for CDR Precharge: auto precharge option for each burst
access Refresh: auto-refresh, self-refresh Refresh cycles: 16384 cycles/32ms Interface: Pseudo open drain (POD-15) On-die termination (ODT): nom. values of 60Ω or 120Ω Pseudo open drain (POD-15) compatible outputs — 40Ω pulldown — 60Ω pullup ODT and output driver strength auto-calibration with
external resistor ZQ pin (120Ω) Programmable termination and driver strength offsets Selectable external or internal VREF for data inputs;
programmable offsets for internal VREF Separate external VREF for address / command inputs Operating case temperature range — TC = 0°C to +95°C
x32/x16 mode configuration set at power-up with EDC pin
Single ended interface for dat...
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