CMOS 256K-BIT HIGH-SPEED SRAM The MB81C81A-35 is a static RAM (SRAM) manufactured by Fujitsu (FUJI). Here are its specifications, descriptions, and features based on available factual information:
### **Specifications:**
- **Type:** 8K x 8-bit CMOS Static RAM (SRAM)
- **Speed:** 35ns access time
- **Voltage Supply:** 5V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) variants
- **Package:** 28-pin DIP (Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier)
- **Power Consumption:** Low power consumption in both active and standby modes
- **Data Retention:** Guaranteed data retention with reduced voltage (typically 2V) in battery backup applications
### **Descriptions:**
- The MB81C81A-35 is a high-speed, low-power CMOS SRAM designed for applications requiring fast access times and reliable data storage.
- It is compatible with TTL interfaces and operates with a single 5V power supply.
- Suitable for use in embedded systems, industrial controls, telecommunications, and other memory-intensive applications.
### **Features:**
- **Fast Access Time:** 35ns maximum
- **Fully Static Operation:** No clock or refresh required
- **Low Power Modes:** Standby current significantly reduced when not in use
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits
- **High Noise Immunity:** CMOS technology provides stable operation in noisy environments
- **Battery Backup Capable:** Supports data retention with minimal power
This information is based on the manufacturer's datasheet and technical documentation. For precise application details, refer to the official Fujitsu (FUJI) datasheet.
