AS4C4M16D1-5TCNTR
| Part Description |
IC DRAM 64MBIT PAR 66TSOP II |
|---|---|
| Quantity | 544 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 66-TSOP II | Memory Format | DRAM | Technology | SDRAM - DDR | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 700 ps | Grade | Commercial | ||
| Clock Frequency | 200 MHz | Voltage | 2.3V ~ 2.7V | Memory Type | Volatile | ||
| Operating Temperature | 0°C ~ 70°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 66-TSSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of AS4C4M16D1-5TCNTR - 64Mbit DDR SDRAM Module
The AS4C4M16D1-5TCNTR from Alliance Memory is a 64Mbit DDR SDRAM memory device configured as 4M x 16 with a parallel interface. This high-performance memory solution operates at 200MHz clock frequency with 7ns access time, making it suitable for applications requiring fast, cost-effective volatile memory storage. Designed for commercial temperature operation from 0°C to 70°C, this DDR SDRAM delivers reliable performance in standard operating environments.
Key Features
- Memory Configuration - 64Mbit total capacity organized as 4M words x 16 bits, providing flexible data width for various system architectures.
- DDR SDRAM Technology - Double Data Rate architecture transfers data on both rising and falling clock edges, doubling effective bandwidth compared to standard SDRAM.
- Performance Specifications - 200MHz clock frequency with 7ns access time ensures fast read/write operations for time-sensitive applications.
- Power Supply - Operates from 2.3V to 2.7V supply voltage, enabling low-power system designs.
- Package - 66-TSOP II surface mount package (0.400" width) provides compact footprint for space-constrained PCB layouts.
- Temperature Range - Commercial temperature operation (0°C to 70°C) suits indoor and controlled-environment applications.
Typical Applications
- Consumer Electronics - This DDR SDRAM provides main memory for set-top boxes, digital TVs, and multimedia devices where the 64Mbit capacity and 200MHz operation support video buffering and user interface responsiveness.
- Networking Equipment - The parallel interface and fast access time make this memory ideal for routers and switches that require buffer memory for packet processing and temporary data storage.
- Industrial Control Systems - PLCs and HMI panels benefit from the reliable DDR SDRAM technology for program execution and data logging in controlled industrial environments.
- Office Equipment - Printers, scanners, and multifunction devices use this memory for image processing buffers and firmware execution where moderate capacity meets performance requirements.
- Embedded Computing - Single-board computers and embedded processors leverage this SDRAM as main memory for applications requiring 64Mbit capacity with parallel bus architecture.
Unique Advantages
- Proven DDR Technology: Mature DDR SDRAM architecture provides reliable, well-characterized performance with extensive industry support and development tools.
- Parallel Interface Compatibility: Standard parallel memory bus simplifies integration with legacy processors and controllers without requiring complex interface logic.
- Moderate Density Sweet Spot: 64Mbit capacity offers sufficient memory for many embedded applications while keeping system costs lower than higher-density alternatives.
- Surface Mount Package: TSOP II package enables automated assembly and reduces board space compared to through-hole memory solutions.
- Wide Voltage Tolerance: 2.3V to 2.7V operating range accommodates voltage variations and simplifies power supply design in multi-voltage systems.
- Commercial Temperature Rating: 0°C to 70°C operation covers the majority of indoor and controlled-environment applications without premium costs for extended temperature ratings.
Why Choose AS4C4M16D1-5TCNTR?
This DDR SDRAM is positioned as a reliable memory solution for systems requiring 64Mbit capacity with parallel interface architecture. It is ideal for designs where established DDR technology, moderate density, and commercial temperature operation align with application requirements. The 200MHz operation and 7ns access time provide adequate performance for embedded systems, consumer electronics, and industrial equipment operating in controlled environments.
Please note this product has an Obsolete lifecycle status. Designers should consult with Alliance Memory regarding long-term availability for new designs and consider planning for alternative memory solutions.
Get a Quote
Contact our sales team to discuss availability, pricing, and volume requirements for the AS4C4M16D1-5TCNTR. Our technical support staff can assist with integration questions and provide datasheets to support your design process.