The UPD43256BGU-70LL-A is a 256K-bit (32K x 8) Static Random Access Memory (SRAM) manufactured by NEC. It is designed for applications that require relatively fast access times and moderate memory density. The '70' in the part number indicates an access time of 70 ns (nanoseconds).

Applications

• Embedded systems
• Microcontroller applications
• Industrial control systems
• Cache memory for processors
• Networking devices

Features

• Organization: 32K x 8 bits
• Access Time: 70 ns (nanoseconds)
• Power Supply Voltage: Typically 5V (consult datasheet)
• Operating Current: (Consult the datasheet for specific values)
• Standby Current: Low standby current for power saving
• Package Type: DIP (Dual Inline Package) or SOP (Small Outline Package) (consult the datasheet for exact package)
• Operating Temperature Range: Commercial or Industrial (consult the datasheet for the exact range)

Benefits

• Fast Access Time: Enables quick data retrieval for improved system performance.
• Simple Interface: Easy to interface with microprocessors and microcontrollers.
• Reliable Performance: NEC's manufacturing ensures reliable operation.
• Low Standby Current: Reduces power consumption when the device is not actively being accessed.

Additional Details

The UPD43256BGU-70LL-A likely utilizes CMOS technology, which provides a good balance between speed and power consumption. The specific power consumption, timing characteristics, and operating conditions can be found in the official NEC datasheet for this part number. It is critical to consult the datasheet before integrating this component into a design to ensure proper operation and avoid potential damage. The 'LL' in the part number typically refers to low-power operation. The A suffix might signify a specific revision or grade of the part. This SRAM is suitable for applications where speed, moderate capacity, and reliability are required.