从去年到现在市面上芯片紧缺，有些用国外的都调整国产芯片，有些还把老年份芯片都搬上来卖，这时候还要注意是质量问题，所以都要谨慎注意，我们是博雅代理商，有博雅代理证书的，有需要可以参考，下面为大家介绍博雅BY25Q64ASSIG规格参数。
BY25Q64AS是64M位串行外围设备接口（SPI）闪存，并支持双/四通道SPI：串行时钟，芯片选择，串行数据I / O0（SI），I / O1（SO），I / O2（/ WP）和I / O3（/抓住）。 双I / O数据以240Mbits / s的速度传输，四路I / O和四路输出数据以480Mbits / s的速度传输。 该设备使用单个低压电源电源，范围从2.7伏到3.6伏。
此外，该设备支持JEDEC标准制造商和设备ID，另外三个256字节的安全寄存器。
为了满足环境要求，Boya Microelectronics提供了8引脚SOP 2.08亿，8-pad WSON 6x5-mm，以及其他特殊订购封装，请联系博雅代理商采购。
● 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): 120MHz clock rate with 30PF load
- Dual I/O data transfer up to 240Mbits/S
- Quad I/O data transfer up to 480Mbits/S
-Continuous Read with 8/16/32/64-byte Wrap
● Program
- 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
- Sector Erase time: 50ms typical
- Block Erase time: 0.15/0.25s typical
- Chip Erase time: 25s 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
- 3x256-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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