August 2017 Rev 0.4 1 / 77
Boya Microelectronics
Memory Series
NOR Flash Memory
NOR Flash Memory NOR Flash Memory
BY25Q32BS
32M BIT SPI NOR FLASH
Features
● Serial Peripheral Interface (SPI)
- Standard SPI: SCLK, /CS, SI, SO, /WP, /HOLD
- Dual SPI: SCLK, /CS, IO0, IO1, /WP, /HOLD
- Quad SPI: SCLK, /CS, IO0, IO1, IO2, IO3
● Read
- Normal Read (Serial): 55MHz clock rate
- Fast Read (Serial): 108MHz clock rate with 30PF load
- Dual I/O data transfer up to 216Mbits/S
- Quad I/O data transfer up to 432Mbits/S
-Continuous Read with 8/16/32/64-byte Wrap
● Program WSON (6*5mm)
- Serial-input Page Program up to 256bytes
- Program Suspend and Resume
● Erase
- Block erase (64/32 KB)
- Sector erase (4 KB)
- Chip erase
- Erase Suspend and Resume
● Program/Erase Speed
- Page Program time: 0.6ms typical SOP 208-mil
- Sector Erase time: 50ms typical
- Block Erase time: 0.15/0.25s typical
- Chip Erase time: 15s typical
● Flexible Architecture
- Sector of 4K-byte
- Block of 32/64K-byte
● Low Power Consumption
- 20mA maximum active current
- 5uA maximum power down current
● Software/Hardware Write Protection
- 3x512-Byte Security Registers with OTP Locks
- Discoverable Parameters (SFDP) register
- Enable/Disable protection with WP Pin
- Write protect all/portion of memory via software
- Top or Bottom, Sector or Block selection
● Single Supply Voltage
- Full voltage range: 2.7~3.6V
● Temperature Range
- Commercial (0℃ to +70℃)
- Industrial (-40℃ to +85℃)
● Cycling Endurance/Data Retention
- Typical 100k Program-Erase cycles on any sector
- Typical 20-year data retention at +55℃
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