Description

This is Electronic Component Model R02115, a ROM/RAM combo chip consisting of 2 Mbit Read Only Memory organized as 256 KBytes and Static Random Access Memory organized as 128, 256, and 32 KBytes. It belongs to the IC Chips product category and is widely used in various electronic devices.

Specifications and features

• ROM + SRAM ROM/RAM Combo
• SST30VR021: 256K x8 ROM + 128K x8 SRAM
• SST30VR022: 256K x8 ROM + 256K x8 SRAM
• SST30VR023: 256K x8 ROM + 32K x8 SRAM
• ROM/RAM combo on a monolithic chip
• Equivalent ComboMemory (Flash + SRAM): SST31LF021E for code development and pre-production
• Wide Operating Voltage Range: 2.7-3.3V
• Chip Access Time: SST30VR022 70 ns; SST30VR021/023 500 ns
• Low Power Dissipation:
• Standby: 3 µW (Typical)
• Operating: 10 mW (Typical)
• Fully Static Operation: No clock or refresh required
• Three state Outputs
• Packages Available: 32-pin TSOP (8mm x14mm)

Application Scenarios

This model can be used in a wide range of electronic devices, including but not limited to smartphones, tablets, and personal computers. It can be used as a part of the electronic circuit that is responsible for ROM and RAM data storage and retrieval, where it provides superior performance and reliability.

Comparison

• Fully static operation eliminates the need for a clock or refresh, providing greater flexibility and reliability.
• Low power dissipation in both standby and operating modes makes it ideal for use in battery-powered devices.
• Wide operating voltage range of 2.7-3.3V offers compatibility with various electronic devices.

• Chip access time of 500 ns for SST30VR021/023 may be slower compared to other models, which may affect the performance of certain electronic devices.
• Limited availability of packages may limit the range of applications for this model.