Description

The SST39SF020A-90-4C-WH is a CMOS Multi-Purpose Flash (MPF) electronic component manufactured with SST's proprietary, high-performance CMOS SuperFlash technology. It features a split-gate cell design and thick oxide tunneling injector for better reliability and manufacturability. The component can be written (programmed or erased) with a 4.5-5.5V power supply and conforms to JEDEC standard pinouts for x8 memories.

Specifications and features

• Organized as 128K x8 / 256K x8 / 512K x8
• Single 4.5-5.5V Read and Write Operations
• Superior Reliability
• Endurance: 100,000 Cycles (typical)
• Data Retention: Greater than 100 years
• Low Power Consumption (typical values at 14 MHz)
• Active Current: 10 mA (typical)
• Standby Current: 30 µA (typical)
• Sector-Erase Capability
• Uniform 4 KByte sectors
• Fast Read Access Time: 45 ns / 70 ns
• Latched Address and Data (x8)
• Fast Erase and Byte-Program
• Sector-Erase Time: 18 ms (typical)
• Chip-Erase Time: 70 ms (typical)
• Byte-Program Time: 14 µs (typical)
• Chip Rewrite Time: 2 seconds (typical) for SST39SF010A, 4 seconds (typical) for SST39SF020A, 8 seconds (typical) for SST39SF040
• Automatic Write Timing
• Internal VPP Generation
• End-of-Write Detection: Toggle Bit, Data# Polling
• TTL I/O Compatibility
• JEDEC Standard: Flash EEPROM Pinouts and command sets
• Packages Available: 32-lead PLCC, 32-lead TSOP (8mm x 14mm), 32-pin PDIP

Application Scenarios

The SST39SF020A-90-4C-WH is commonly used in various electronic devices such as computers, automotive systems, consumer electronics, and industrial equipment. It is suitable for applications that require reliable non-volatile memory storage and fast read/write operations.

Comparison

- Organized in multiple configurations for flexible use.

- Superior reliability with a high endurance of 100,000 cycles and long data retention of over 100 years.

- Low power consumption, making it energy-efficient.

- Fast erase and byte-programming times for efficient operations.

- The chip rewrite time may be longer compared to other models in the series.