AS4C4M16D1A-5TANTR
| Part Description |
IC DRAM 64MBIT PAR 66TSOP II |
|---|---|
| Quantity | 524 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 20 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 66-TSOP II | Memory Format | DRAM | Technology | SDRAM - DDR | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 700 ps | Grade | Automotive | ||
| Clock Frequency | 200 MHz | Voltage | 2.3V ~ 2.7V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 105°C (TA) | Write Cycle Time Word Page | 15 ns | Packaging | 66-TSSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 4M x 16 | ||
| Moisture Sensitivity Level | 5 (48 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | AEC-Q100 | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of AS4C4M16D1A-5TANTR - Automotive-Grade 64Mbit DDR SDRAM
The AS4C4M16D1A-5TANTR is a 64-megabit synchronous dynamic random access memory (SDRAM) device utilizing DDR (Double Data Rate) technology and organized as 4M x 16 bits. This automotive-qualified memory chip delivers reliable, high-speed data access for embedded systems requiring extended temperature operation and AEC-Q100 qualification. With a 200 MHz clock frequency and 7 nanosecond access time, it provides the performance needed for real-time control and data processing in demanding automotive and industrial applications.
Key Features
- DDR SDRAM Architecture - Double Data Rate technology transfers data on both rising and falling clock edges, effectively doubling bandwidth compared to traditional SDRAM while maintaining power efficiency.
- Memory Configuration - 64 Mbit capacity organized as 4M x 16-bit parallel interface provides flexible integration for designs requiring word-based data access.
- High-Speed Performance - 200 MHz clock frequency with 7 nanosecond access time and 15 nanosecond write cycle time supports demanding real-time processing requirements.
- Automotive Qualification - AEC-Q100 qualified for automotive applications with extended temperature range operation from -40°C to 105°C.
- Power Supply - Operates from 2.3V to 2.7V supply voltage, compatible with standard low-voltage digital systems.
- Package - Available in space-efficient 66-pin TSOP II (10.16mm width) surface-mount package suitable for high-density board layouts.
Typical Applications
- Automotive Infotainment Systems - This DDR SDRAM provides the high-bandwidth memory required for multimedia processing, navigation displays, and real-time audio/video buffering in dashboard entertainment systems, with automotive-grade reliability across the full cabin temperature range.
- Advanced Driver Assistance Systems (ADAS) - The fast access times and AEC-Q100 qualification make this memory suitable for camera processing modules, radar signal processing, and sensor fusion applications where data throughput and environmental resilience are critical.
- Industrial Controllers and Automation - This component serves programmable logic controllers (PLCs), motion controllers, and industrial HMIs that require dependable memory performance in factory environments with wide temperature variations.
- Automotive Body Control Modules - The extended temperature rating and automotive qualification support memory requirements in engine control units, transmission controllers, and other under-hood applications exposed to harsh thermal conditions.
- Medical Equipment - The wide operating temperature range and proven reliability make this SDRAM appropriate for patient monitoring systems, diagnostic equipment, and portable medical devices requiring consistent performance.
Unique Advantages
- Simplified Automotive Compliance: AEC-Q100 qualification eliminates the need for additional testing and validation, accelerating time-to-market for automotive designs while ensuring regulatory compliance.
- Extended Thermal Performance: The -40°C to 105°C operating range provides design margin for applications in thermally demanding environments without requiring additional cooling solutions.
- Cost-Effective Bandwidth: DDR architecture delivers double the effective bandwidth of standard SDRAM at similar power levels, reducing the need for multiple memory devices or higher-speed interfaces.
- Proven Reliability: SDRAM technology offers established track record and mature manufacturing processes, minimizing risks associated with memory qualification and long-term availability.
- Parallel Interface Compatibility: Direct 16-bit parallel interface simplifies integration with microcontrollers and processors without requiring complex serial protocol management.
- Board Space Efficiency: The 66-pin TSOP II package provides high pin density in a compact footprint, supporting miniaturization goals in space-constrained applications.
Why Choose AS4C4M16D1A-5TANTR?
This automotive-qualified DDR SDRAM is engineered for designers developing systems that must operate reliably across extreme temperature ranges while meeting automotive industry standards. The combination of AEC-Q100 qualification, extended temperature rating, and proven DDR SDRAM technology makes it particularly well-suited for automotive control systems, industrial automation equipment, and other mission-critical applications where memory failure is not an option.
For engineering teams focused on long product lifecycles, the AS4C4M16D1A-5TANTR offers the stability of mature SDRAM technology with the performance benefits of DDR architecture, backed by Alliance Memory's commitment to automotive-grade quality and reliability.
Get a Quote
Contact our technical sales team to discuss your specific memory requirements, volume pricing, and delivery schedules. We can help you evaluate whether the AS4C4M16D1A-5TANTR is the right fit for your application and provide samples for design validation.
