M12L128324A-5BG2C

The M12L128324A-5BG2C is a 134,217,728‑bit synchronous DRAM organized as 4 × 1,048,576 words by 32 bits. It implements a four‑bank architecture with JEDEC‑standard 3.3V power supply and supports synchronous high data‑rate operation up to 200 MHz.

Designed for high‑bandwidth, high‑performance memory system applications, this device offers programmable burst lengths and latencies, auto and self refresh, and a compact 90‑ball FBGA surface‑mount package for space‑efficient board integration.

Key Features

• Memory Organization  134,217,728‑bit capacity organized as 4 × 1,048,576 × 32, providing a wide 32‑bit data bus for parallel memory interfaces.
• Synchronous DRAM Core  All inputs are sampled on the positive edge of the system clock to enable precise cycle control and synchronous data transfers.
• 200 MHz Maximum Frequency  Rated up to 200 MHz for the -5BG2C device variant to support high data‑rate operation.
• Programmable Burst and Latency  Supports CAS latency 2 and 3, and burst lengths of 1, 2, 4, 8 and full page, with sequential and interleave burst types for flexible throughput tuning.
• Four‑Bank Operation  Multiple banks enable interleaved access patterns to increase effective throughput in high‑performance systems.
• Refresh and Power Control  Auto and self‑refresh capability with a 64 ms refresh period; CKE support for clock enable/power‑down control.
• Signal Masking  DQM inputs provide data masking for write timing control and byte‑level masking during transfers.
• Voltage and Compatibility  JEDEC standard 3.3V supply (operating range 3.0V–3.6V) with LVTTL compatible inputs for multiplexed address operation.
• Performance Timings  Access time of 4.5 ns and write cycle time (word/page) of 10 ns as specified for timing planning.
• Package and Mounting  Surface‑mount 90‑FBGA package (8 mm × 13 mm × 1 mm body, 0.8 mm ball pitch) for compact board layouts.
• Commercial Grade  Operating temperature range 0 °C to 70 °C; JEDEC qualification and RoHS compliance.

Typical Applications

• High‑bandwidth memory subsystems  Used where synchronous, high data‑rate DRAM is required to support fast parallel transfers and burst access patterns.
• Systems requiring configurable latency and burst  Useful in designs that need selectable CAS latency and programmable burst lengths to match system timing.
• Space‑constrained board designs  90‑FBGA surface‑mount package enables dense layout while delivering a 32‑bit wide memory interface.

Unique Advantages

• High data‑rate operation: 200 MHz device variant supports elevated system clock rates for demanding throughput needs.
• Flexible access modes: Programmable CAS latency (2 & 3) and multiple burst length/type options allow designers to optimize performance for target workloads.
• Four‑bank architecture: Enables interleaved accesses to improve effective bandwidth in multi‑threaded or bursty access patterns.
• JEDEC compliance and RoHS: JEDEC qualification and RoHS compliance support predictable integration and environmental requirements.
• Robust timing characteristics: Documented access time (4.5 ns) and write cycle timing (10 ns) assist accurate system timing and validation.
• Compact, industry‑standard package: 90‑FBGA surface‑mount package provides a compact footprint with defined ball configuration for board design.

Why Choose M12L128324A-5BG2C?

The M12L128324A-5BG2C positions itself as a practical, JEDEC‑qualified synchronous DRAM option for designs that require a 32‑bit wide, four‑bank memory with programmable latencies and burst options. Its 200 MHz rating, documented timing parameters, and standard 3.3V supply make it suitable for high‑bandwidth memory system applications where predictable timing and flexibility are required.

Commercial‑grade operating range, surface‑mount 90‑FBGA packaging, and RoHS compliance provide a balance of performance, board‑level integration, and regulatory readiness for volume designs and system integration efforts.

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