
Winbond
GENERAL DESCRIPTION
The W45B012 is manufactured with Winbond’s high performance CMOS WinFlash technology. The Serial Flash is organized as 32 sectors of 4096 Bytes for the W45B012. The memory is accessed for Read or Erase/Program by the SPI bus compatible serial protocol.
FEATURES
• Single 2.7 - 3.6V Read and Write Operations
• Serial Interface Architecture
- SPI Compatible: Mode 0 and Mode 3
• Byte Serial Read with Single Command
• Superior Reliability
- Endurance: 10,000 Cycles (typ.)
- 20 years Data Retention
• Low Power Consumption
- Active Current: 30 mA (max)
- Standby Current: 15 μA (max)
• Sector or Chip-Erase Capability
- Uniform 4 KByte sectors
• Fast Erase and Byte-Program
- Chip-Erase Time: 100 mS (Max.)
- Sector-Erase Time: 25 mS (Max.)
- Byte-Program Time: 50 μS (Max.)
• Automatic Write Timing
- Internal VPP Generation
• End-of-Write Detection
- Software Status
• 20 MHz Max Clock Frequency
• Hardware Reset Pin (#RESET)
- Resets the device to Standby Mode
• TTL Compatibility
• Hardware Data Protection
- Protects/Unprotects the device from Write
operation
• Packages Available
- 8 SON (5 x 6 mm), 32L PLCC