CY27H256-35ZC Overview
The CY27H256-35ZC is a high-performance 256K x 8-bit Static Random Access Memory (SRAM) designed to deliver fast access times and reliable data storage for industrial and embedded systems. With a 35 ns access time, it supports rapid data retrieval essential for time-critical applications. This device features a low power consumption profile and a 28-pin Dual Inline Package (DIP), ensuring easy integration into existing hardware platforms. Engineered to meet stringent industrial standards, the CY27H256-35ZC is optimized for system memory expansion, cache memory, and high-speed buffering. For detailed specifications and ordering information, visit IC Manufacturer.
CY27H256-35ZC Technical Specifications
| Parameter | Specification |
|---|---|
| Memory Size | 256K x 8 bits (2 Mbit) |
| Access Time | 35 ns |
| Operating Voltage | 5 V ??10% |
| Package Type | 28-pin DIP |
| Operating Temperature Range | 0??C to +70??C |
| Data Retention Voltage | 2 V (minimum) |
| Standby Current | 10 mA (typical) |
| Operating Current | 65 mA (typical) |
| Data Input/Output Type | TTL compatible |
| Package Dimensions | Standard 28-pin DIP footprint |
CY27H256-35ZC Key Features
- Fast 35 ns access time: Enables rapid data access crucial for high-speed computing and buffering applications.
- 5 V ??10% operating voltage: Ensures compatibility with a wide range of legacy and current systems relying on standard TTL logic levels.
- Low standby and operating currents: Reduces power consumption, improving system efficiency and thermal management in embedded environments.
- Industrial temperature range (0??C to +70??C): Supports reliable operation in a variety of commercial and industrial conditions.
- Standard 28-pin DIP package: Facilitates straightforward PCB mounting and replacement in existing hardware designs.
- TTL compatible input/output: Provides seamless interface compatibility with common digital logic families.
- Data retention at reduced voltages: Maintains stored data integrity during power fluctuations or standby modes.
CY27H256-35ZC Advantages vs Typical Alternatives
This SRAM offers a competitive 35 ns access time combined with low power consumption, making it ideal for systems requiring both speed and energy efficiency. Compared to typical asynchronous SRAM alternatives, it provides a robust industrial temperature range and standard packaging that simplifies integration. Its TTL compatibility and stable data retention voltage enhance reliability and design flexibility in embedded and industrial applications.
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Typical Applications
- Embedded systems memory expansion: Provides fast, reliable storage for microprocessor-based designs requiring quick data access and cache memory capabilities.
- Cache memory in computing devices: Supports buffering and temporary data storage to improve system throughput and processing speed.
- Networking equipment: Used in routers and switches for rapid packet buffering and data handling.
- Industrial control systems: Offers stable, high-speed memory solutions for real-time data acquisition and control logic execution.
CY27H256-35ZC Brand Info
The CY27H256-35ZC is part of a well-established SRAM product line recognized for quality and performance in industrial-grade memory solutions. This device is manufactured by a reputable semiconductor producer specializing in integrated circuit technologies that meet rigorous industry standards. Designed to support demanding applications, this SRAM combines reliability, speed, and ease of integration, making it a preferred choice among engineers and system designers.
FAQ
What is the operating voltage range of the CY27H256-35ZC?
The device operates at a standard voltage of 5 V with a tolerance of ??10%. This voltage range aligns with TTL logic levels, ensuring compatibility with many existing industrial and embedded systems.
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What packaging options are available for this SRAM?
The CY27H256-35ZC is supplied in a 28-pin Dual Inline Package (DIP



