IS42S16400N-7TLI-TR
| Part Description |
IC DRAM 64MBIT PAR 54TSOP II |
|---|---|
| Quantity | 969 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Integrated Silicon Solution Inc |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 14 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 64 Mbit | Access Time | 5.4 ns | Grade | Industrial | ||
| Clock Frequency | 143 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 | N/A | RoHS Compliance | Unknown | REACH Compliance | REACH Unknown | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0002 |
Overview of IS42S16400N-7TLI-TR - 64Mbit SDRAM with Extended Temperature Range
The IS42S16400N-7TLI-TR is a 64-megabit synchronous DRAM (SDRAM) from ISSI, Integrated Silicon Solution Inc. Organized as 4M x 16, this volatile memory device operates at clock frequencies up to 143MHz with a 5.4ns access time. Designed for industrial applications, it supports an extended temperature range of -40°C to 85°C and operates from a 3V to 3.6V supply, making it suitable for embedded systems requiring reliable memory performance in challenging environments.
Key Features
- Memory Organization: 64Mbit capacity organized as 4M words x 16 bits, providing flexible addressing for various system architectures.
- Performance: 143MHz clock frequency with 5.4ns access time delivers responsive read and write operations for real-time applications.
- LVTTL Interface: Low Voltage TTL signaling ensures compatibility with standard digital logic while maintaining signal integrity.
- Power Supply: 3V to 3.6V operating voltage range supports modern low-power designs and legacy 3.3V systems.
- Temperature Range: -40°C to 85°C industrial operating range ensures reliable operation in harsh environmental conditions.
- Package: 54-pin TSOP II (0.400", 10.16mm width) footprint offers a space-efficient surface-mount solution.
Typical Applications
- Industrial Automation - This SDRAM provides reliable memory for PLCs, HMI systems, and industrial controllers where extended temperature tolerance ensures consistent operation in factory environments.
- Embedded Computing - The 4M x 16 organization and LVTTL interface make this memory ideal for embedded processors and microcontrollers requiring moderate-density volatile storage for program execution and data buffering.
- Networking Equipment - The 143MHz operating frequency supports packet buffering and routing table storage in network switches, routers, and gateway devices operating in temperature-variable telecom environments.
- Medical Devices - Industrial temperature rating and stable 3.3V operation suit diagnostic equipment and patient monitoring systems where reliability across varied installation environments is critical.
- Test and Measurement - The memory's access speed and capacity support data acquisition systems and instrumentation that capture and process measurement data in real-time.
Unique Advantages
- Extended Temperature Operation: -40°C to 85°C range eliminates the need for thermal management in many industrial applications, reducing system complexity and cost.
- Industry-Standard Footprint: 54-TSOP II package allows drop-in replacement of existing SDRAM designs without PCB modifications.
- Proven SDRAM Technology: Mature synchronous DRAM architecture provides predictable timing and simplified memory controller design compared to newer memory types.
- Wide Supply Voltage Range: 3V to 3.6V tolerance accommodates supply variations and supports both 3.3V and battery-backed systems without additional regulation.
- Active Lifecycle Status: Current production availability ensures long-term supply for designs with multi-year production schedules.
- Simplified Interface: LVTTL signaling requires no level translation when interfacing with 3.3V logic, reducing component count and board space.
Why Choose IS42S16400N-7TLI-TR?
The IS42S16400N-7TLI-TR offers a balanced combination of capacity, performance, and environmental robustness for industrial and embedded applications. Its 64Mbit density addresses moderate memory requirements while the 143MHz operating frequency provides sufficient bandwidth for real-time data processing. The extended temperature range makes it particularly well-suited for designs deployed in uncontrolled environments where temperature extremes are encountered.
For engineers designing systems with multi-year deployment cycles, the active lifecycle status and industry-standard TSOP II package provide confidence in long-term availability and ease of future sourcing. The LVTTL interface and 3.3V operation align with common embedded system architectures, minimizing interface complexity and supporting straightforward integration with existing designs.
Contact Us for Pricing and Availability
Request a quote for the IS42S16400N-7TLI-TR or contact our technical sales team to discuss volume pricing, lead times, and how this SDRAM can meet your application requirements.
