MT48LC16M16A2B4-6A IT:G
MT48LC16M16A2B4-6A IT:G
SDR SDRAM memory IC
256Mb SDRAM chip
Micron SDR SDRAM
industrial memory IC
embedded SDRAM
TSOP SDRAM chip
3.3V SDR memory device
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Description
MT48LC16M16A2B4-6A IT:G SDR SDRAM Memory IC Product Page
Product Overview
The MT48LC16M16A2B4-6A IT:G is a synchronous SDR SDRAM memory device designed for embedded systems that require deterministic timing, stable bandwidth, and external volatile memory expansion. It is manufactured by Micron Technology and belongs to the SDR SDRAM generation widely used in industrial and legacy computing architectures.
This device provides a 16-bit data interface and operates synchronously with a system clock, enabling predictable read and write performance for real-time embedded applications.
Key Technical Characteristics
- SDR SDRAM (Single Data Rate synchronous DRAM)
- 16M × 16-bit memory organization
- 256Mb density class architecture
- 3.3V operating voltage
- Burst-oriented read/write operation
- Internal auto-refresh and self-refresh capability
- Programmable burst length and CAS latency
- Industrial temperature range support (IT grade)
- Lead-free / RoHS-compliant package variant (G suffix)
Functional Behavior
The device operates in synchronization with an external clock signal. All input and output operations are referenced to clock edges, ensuring deterministic access timing.
Key SDRAM operations include:
- Row activation (ACTIVATE command)
- Column read/write bursts
- Precharge and bank management
- Mode register configuration
- Automatic refresh cycles
Unlike asynchronous DRAM, SDR SDRAM requires strict command timing coordination to maintain data integrity and bandwidth efficiency.
Package Information
- Standard SDR SDRAM TSOP II package
- Dual-row gull-wing lead configuration
- Designed for surface-mount PCB assembly
Typical signal interface:
- Address inputs (A0–Axx)
- Data bus (DQ0–DQ15)
- Control signals (RAS, CAS, WE)
- Clock input (CLK)
- Clock enable (CKE)
- Bank address control
Electrical and Operating Conditions
- Supply voltage: 3.3V nominal
- Operating temperature: Industrial grade (-40°C to +85°C)
- Interface standard: LVTTL-compatible signaling
- Refresh requirement: Periodic refresh mandatory
- Volatility: Data lost upon power removal
Applications
- Industrial automation systems
- Networking and communication equipment
- Embedded control platforms
- FPGA-based memory expansion systems
- Medical and diagnostic electronics
- Legacy computing and system maintenance
FAQ
What type of memory is MT48LC16M16A2B4-6A IT:G?
It is SDR SDRAM, a synchronous volatile memory used for temporary data storage.
How is SDR SDRAM different from DDR memory?
SDR SDRAM transfers data once per clock cycle, while DDR transfers data on both clock edges, resulting in higher bandwidth.
Why does this memory require refresh cycles?
Because DRAM stores data in capacitors that gradually lose charge, periodic refresh is required to maintain data integrity.
Can this chip be used in DDR-based systems?
No, SDR SDRAM is electrically and architecturally incompatible with DDR generations.
What does the 16M16 configuration indicate?
It represents 16 million addresses with a 16-bit data width, forming a 256Mb memory device.
Is data retained without power?
No, all data is lost when power is removed because it is volatile memory.
What is the significance of industrial grade (IT)?
It indicates the device is designed for extended temperature and reliability requirements in industrial environments.
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