AS4C4M16SB-6TINTR
| Part Description |
IC DRAM 64MBIT LVTTL 54TSOP II |
|---|---|
| Quantity | 56 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Alliance Memory, Inc. |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 6 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 5 ns | Grade | Industrial | ||
| Clock Frequency | 166 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | LVTTL | Memory Organization | 4M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | N/A | HTS Code | N/A |
Overview of AS4C4M16SB-6TINTR - 64Mbit SDRAM with Extended Temperature Range
The AS4C4M16SB-6TINTR is a 64Mbit synchronous DRAM organized as 4M x 16, manufactured by Alliance Memory, Inc. This LVTTL-compatible SDRAM operates at 166MHz clock frequency with 5ns access time, making it suitable for industrial applications requiring reliable memory performance across extended temperature ranges from -40°C to 85°C.
Key Features
- Memory Architecture - 64Mbit capacity organized as 4M words by 16 bits, providing flexible configuration for embedded systems and industrial controllers.
- Performance Specifications - 166MHz clock frequency with 5ns access time delivers responsive performance for real-time control applications.
- Interface and Logic Levels - LVTTL interface simplifies integration with standard 3.3V logic families without level translation.
- Power Supply - Operates on 3V to 3.6V supply voltage, compatible with standard 3.3V power rails in industrial equipment.
- Temperature Range - -40°C to 85°C operating range ensures reliable operation in industrial environments with temperature variation.
- Package - 54-pin TSOP II package with 10.16mm width provides industry-standard footprint for established board designs.
Typical Applications
- Industrial Control Systems - This SDRAM provides reliable data buffering and program storage for PLCs and process controllers where the extended temperature range ensures consistent operation in factory floor environments.
- Embedded Computing - The 4M x 16 organization and LVTTL interface make this memory suitable for industrial single-board computers and embedded processors requiring moderate memory capacity.
- Test and Measurement Equipment - The 166MHz clock frequency and 5ns access time support data acquisition and signal processing in instrumentation operating across industrial temperature ranges.
- Automotive and Transportation Systems - The extended temperature tolerance enables use in vehicle electronics and transportation infrastructure where ambient conditions vary significantly.
- Industrial Communication Devices - This SDRAM serves as buffer memory in industrial network equipment and fieldbus interfaces requiring temperature-tolerant components.
Unique Advantages
- Extended Temperature Operation: The -40°C to 85°C range eliminates the need for thermal management in many industrial installations, reducing system complexity and cost.
- Standard LVTTL Interface: Direct compatibility with 3.3V logic reduces component count by eliminating level shifters and simplifying board layout.
- Industry-Standard Footprint: The 54-TSOP II package enables drop-in replacement opportunities and leverages existing PCB layouts, reducing design iteration cycles.
- Proven SDRAM Technology: Synchronous DRAM architecture provides deterministic access patterns important for real-time control systems with timing requirements.
- Active Lifecycle Status: Current production availability supports long-term product planning and reduces obsolescence risk in industrial equipment with extended service life.
Why Choose AS4C4M16SB-6TINTR?
The AS4C4M16SB-6TINTR addresses the specific requirements of industrial and embedded applications where reliable memory performance across extended temperature ranges is essential. Its combination of standard SDRAM architecture, LVTTL interface, and industrial temperature tolerance makes it particularly suitable for control systems, instrumentation, and embedded computing platforms that must operate reliably in challenging thermal environments.
For design engineers working on industrial equipment with 5-10 year service life expectations, this memory component offers the balance of proven technology, temperature robustness, and active production status that supports long-term availability planning.
Get a Quote
Contact our sales team to discuss pricing, availability, and technical support for the AS4C4M16SB-6TINTR. We provide detailed datasheets, application guidance, and volume pricing for your industrial memory requirements.
