ISSI 4GBit DDR3 SDRAM
ISSI 4GBit DDR3 SDRAM delivers high-speed SDRAM in compact BGA-78 and BGA-96 packages. ISSI 4GBit DDR3 SDRAM features 256Mx16 organization and supply voltage at either 1.45V or 1.3V with a maximum clock frequency of 666MHz or 800MHz. This SDRAM has 8 internal banks for concurrent operation and 8nBit pre-fetch architecture. ISSI 4GBit DDR3 SDRAM is ideal for telecom and networking, automotive, and industrial embedded computing.
Features
- VDD and VDDQ = 1.5V ± 0.075V standard voltage
- Low Voltage (L): VDD and VDDQ = 1.35V + 0.1V, -0.067V
- Backward compatible to 1.5V
- High speed data transfer rates with system frequency up to 1066MHz
- 8 internal banks for concurrent operation
- 8n-Bit pre-fetch architecture
- Programmable CAS Latency
- 0, CL-1, CL-2 programmable additive latency
- Programmable CAS WRITE latency (CWL) based on tCK
- 4 and 8 programmable burst length
- Sequential or interleave programmable burst sequence
- BL switch on the fly
- Auto Self Refresh(ASR)
- Self Refresh Temperature(SRT)
- Refresh Interval:
- 7.8µs (8192 cycles/64ms) Tc= -40°C to 85°C
- 3.9µs (8192 cycles/32ms) Tc= 85°C to 105°C
- 1.95µs (8192 cycles/16ms) Tc= 105°C to 115°C
- 0.97µs (8192 cycles/8ms) Tc= 115°C to 125°C
- Partial array self refresh
- Asynchronous RESET pin
- TDQS (Termination Data Strobe) supported (x8 only)
- OCD (Off-Chip Driver Impedance Adjustment)
- Dynamic ODT (On-Die Termination)
- Driver strength : RZQ/7, RZQ/6 (RZQ = 240 Ω)
- Write leveling
- Up to 200MHz in DLL off mode
- Operating temperature:
- Commercial (TC = 0°C to +95°C)
- Industrial (TC = -40°C to +95°C)
- Automotive, A1 (TC = -40°C to +95°C)
- Automotive, A2 (TC = -40°C to +105°C)
- Automotive, A25 (TC = -40°C to +115°C)
- Automotive, A3 (TC = -40°C to +125°C)
- 512Mx8, 256Mx16 configuration
- Package:
- 96-ball BGA (9.0mm x 13.0mm) for 256Mx16
- 78-ball BGA (8.0mm x 10.5mm) for 512Mx8
Applications
- Automotive
- Infotainment
- Telematics
- Driver information systems
- Industrial
- Human machine interface
- Embedded computing
- Telecom/Networking
- Access nodes (PON OLT, DSLAM, CMTS, Wireless)
- Aggregation nodes
- Switches and routers
- Packet optical transport
- Network storage
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Datasheets
Published: 2013-09-11
| Updated: 2024-03-05