AS4C4M16S-6TANTR
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 613 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 | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 5.4 ns | Grade | Automotive | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 105°C (TA) | Write Cycle Time Word Page | 2 ns | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | AEC-Q100 | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of AS4C4M16S-6TANTR - Automotive-Grade 64Mbit SDRAM
The AS4C4M16S-6TANTR is a high-performance 64-Mbit synchronous DRAM designed specifically for automotive applications requiring reliable memory in harsh operating environments. Built on proven SDRAM technology with a 4M x 16 organization, this component delivers 166MHz clock frequency operation while maintaining compliance with AEC-Q100 automotive qualification standards. Ideal for systems requiring extended temperature tolerance from -40°C to 105°C, this DRAM provides dependable parallel memory interfacing for automotive control systems, infotainment platforms, and safety-critical applications.
Key Features
- Memory Configuration - 64-Mbit capacity organized as 4M x 16, providing flexible word-width access for efficient data handling in automotive embedded systems.
- High-Speed Operation - 166MHz clock frequency with 5.4ns access time enables rapid data throughput for real-time automotive control and processing applications.
- Automotive Qualification - AEC-Q100 certified with extended temperature range (-40°C to 105°C) ensuring reliable operation in engine compartments, dashboards, and other challenging thermal environments.
- Power Efficiency - Operates on standard 3V to 3.6V supply voltage, compatible with common automotive electrical systems and reducing power management complexity.
- Industry-Standard Package - 54-TSOP II (10.16mm width) footprint allows straightforward PCB integration and compatibility with established manufacturing processes.
- Fast Write Performance - 2ns write cycle time enables efficient data updates in systems requiring frequent memory writes such as navigation data buffering or sensor data logging.
Typical Applications
- Automotive Infotainment Systems - Provides working memory for multimedia processors in dashboard displays and entertainment units where the extended temperature range ensures stable operation in direct sunlight and cold climates.
- Advanced Driver Assistance Systems (ADAS) - Buffers sensor data and image processing in camera-based safety systems where AEC-Q100 qualification meets the reliability requirements for safety-critical automotive functions.
- Engine Control Units (ECU) - Serves as volatile working memory for real-time engine management calculations in high-temperature underhood environments where the -40°C to 105°C operating range is essential.
- Body Control Modules - Handles temporary data storage for lighting, climate control, and access systems distributed throughout the vehicle where automotive-grade components ensure long-term reliability.
- Instrument Cluster Processing - Supports graphics rendering and data processing in digital instrument panels where fast access times enable smooth display updates and responsive user interfaces.
Unique Advantages
- Automotive-Certified Reliability: AEC-Q100 qualification eliminates the need for additional testing and documentation when integrating into automotive platforms, accelerating time-to-market.
- Extended Temperature Resilience: -40°C to 105°C operating range covers the full automotive ambient temperature specification, reducing system design complexity and eliminating the need for thermal management in most installations.
- Proven SDRAM Architecture: Mature synchronous DRAM technology provides predictable timing characteristics and broad ecosystem support, simplifying firmware development and debugging.
- Parallel Interface Compatibility: Standard parallel memory interface integrates seamlessly with automotive microcontrollers and processors, avoiding the complexity of serial memory protocols.
- Balanced Performance Profile: 166MHz clock operation and 5.4ns access time deliver sufficient performance for demanding automotive applications while maintaining power efficiency and cost-effectiveness.
- Compact Surface-Mount Package: 54-TSOP II form factor optimizes board space utilization in space-constrained automotive control modules and embedded systems.
Why Choose AS4C4M16S-6TANTR?
The AS4C4M16S-6TANTR addresses the specific requirements of automotive system designers who need reliable, automotive-qualified memory with proven performance characteristics. Its AEC-Q100 certification and extended temperature range make it an appropriate choice for systems exposed to the thermal extremes of automotive environments, from engine compartments to passenger cabins. The standard parallel interface and TSOP II package ensure compatibility with established design practices and manufacturing processes.
For automotive applications requiring dependable volatile memory with documented automotive qualification, this component provides a balance of performance, reliability, and industry-standard packaging that simplifies integration and reduces qualification overhead.
Get a Quote
Contact our sales team to discuss pricing, lead times, and volume availability for the AS4C4M16S-6TANTR. Our technical support staff can provide additional documentation and integration guidance to help you evaluate this component for your automotive memory requirements.
