IS25WX256
IS25WX256 is 256Mb Serial Flash Memory manufactured by ISSI.
- Part of the IS25LX256 comparator family.
- Part of the IS25LX256 comparator family.
FEATURES
- Industry Standard Serial Interface
- IS25LX256: 256Mbit/32Mbyte
- IS25LX128: 128Mbit/16Mbyte
- IS25WX256: 256Mbit/32Mbyte
- IS25WX128: 128Mbit/16Mbyte
- JEDEC Standard x SPI (e Xpanded SPI) pliant
- Protocol: Extended SPI (1S-xy-xy)(2) Octal DDR (8D-8D-8D)
- High Performance
- Support clock frequency up to;
- IS25WX (1.8V): SDR
- 166MHz DDR
- 200MHz
- IS25LX (3.0V): SDR /DDR
- 133MHz
- Low Power with Wide Temp. Ranges
- Single Voltage Supply IS25LX: 2.70V to 3.60V IS25WX: 1.70V to 2.0V
- 10 µA Standby Current
- 1 µA Deep Power Down
- Temp Grades: Extended: -40°C to +105°C Auto A3 Grade: -40°C to +125°C
- Flexible & Efficient Memory Architecture
- 4-Bank Architecture for READ While Ptogram/Erase Operations (4)
- Program 1 to 256byte per Page
- Dedicated 64-byte OTP area outside main memory
- Execute-in-place (XIP)
- 2-bit Detection and 1-bit Correction per
16-byte boundary (with ECC)
- Program Array Data CRC/ Address Parity function supported.
- Optional PSC (Phase Shifted Clock) (1) is supported to put DQS on the center of read data valid window.
- Data Learning Pattern for training operation
- More than 100,000 Erase/Program Cycles
- More than 20-year Data Retention
- Security and Write Protection
- Volatile and nonvolatile locking and software write protection for each 128KB sector
- Password Protection
- Hardware write protection: nonvolatile bits (BP [3:0] and TB) define protected area size.
- Efficient Read and Program modes
- Input Data Format SPI: 1-byte mand+3/4 byte Address Octal: 2-byte mand+4 byte Address
- PROGRAM/ERASE SUSPEND operation
- 128KB Sector Erase(3) and 4KB/32KB Subsector...
