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Flash Memory | LE25S20XA
概览
LE25S20XA 是一款 SPI 总线闪存器件，带有 2M 位（256K × 8 位）配置。它采用一个 1.8V 电源。在充分利用串行闪存设备固有特性的同时，LE25S20XA 采用 8 引脚超小型封装。得益于上述特点，该器件非常适合在要求不断缩减尺寸的应用中存储程序。LE25S20XA 还具有小扇区清除功能，因而该器件非常适合存储重写周期较少的参数或数据，而传统 EEPROM 由于空间不足，无法处理该情况。
- Serial Flash Memory Devices
- Smart Phones
- Wearable Devices
- Operations power supply : 1.65 to 1.95 V supply voltage range
- Operating frequency : 40 MHz (max)
- Temperature range : –40 to +85°C
- Serial interface : SPI mode 0, mode 3 supported
- Electronic Identification : JDEC ID, Device ID
- Sector size : 4K bytes/small sector, 64K bytes/sector
- Erase functions
: Small Sector Erase (SSE), Sector Erase (SE), Chip Erase (CHE) - Page program function : 256 bytes/page
- Status functions : Ready/Busy information, protect information
- Low operation current
: 6.0 mA (Read mode operation current, 40 MHz)
: 15 mA (Erase or Program mode operating current)
: 10 µA (CMOS standby current) - Erase time
: 40 ms (SSE, typ), 80 ms (SE, typ), 300 ms (CHE, typ) - Page program time (tPP)
: 3.0 ms/256 bytes (typ.), 3.5 ms/256 bytes (max.) - High reliability
: 100,000 erase/program cycles
: 20 years data retention period
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WLCSP-8
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5000
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2 Mb
256k x 8
11
1.65
1.95
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6
-40
85
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