GENERAL DESCRIPTION
The IS25LP256 Serial Flash memory offers a versatile storage solution with high flexibility and performance in a simplified pin count package. ISSI’s “Industry Standard Serial Interface” Flash is for systems that require limited space, a low pin count, and low power consumption. The device is accessed through a 4-wire SPI Interface consisting of a Serial Data Input (SI), Serial Data Output (SO), Serial Clock (SCK), and Chip Enable (CE#) pins, which can also be configured to serve as multi-I/O (see pin descriptions).

FEATURES
• Industry Standard Serial Interface
   - IS25LP256: 256Mbit/32Mbyte
   - 3 or 4 Byte Addressing Mode
   - Supports Standard SPI, Fast, Dual, Dual
      I/O, Quad, Quad I/O, SPI DTR, Dual I/O
      DTR, Quad I/O DTR, and QPI
   - Software & Hardware Reset
   - Supports Serial Flash Discoverable
      Parameters (SFDP)
• High Performance Serial Flash (SPI)
   - 80MHz Normal Read
   - Up to166Mhz Fast Read
   - Up to 80MHz DTR (Dual Transfer Rate)
   - Equivalent Throughput of 664 Mb/s
   - Selectable Dummy Cycles
   - Configurable Drive Strength
   - Supports SPI Modes 0 and 3
   - More than 100,000 Erase/Program Cycles
   - More than 20-year Data Retention
• Flexible & Efficient Memory Architecture
   - Chip Erase with Uniform: Sector/Block
      Erase (4/32/64 Kbyte)
   - Program 1 to 256 Byte per Page
   - Program/Erase Suspend & Resume
• Efficient Read and Program modes
   - Low Instruction Overhead Operations
   - Continuous Read 8/16/32/64 Byte Burst
   - Selectable Burst Length
   - QPI for Reduced Instruction Overhead
   - AutoBoot operation
• Low Power with Wide Temp. Ranges
   - Single 2.30V to 3.60V Voltage Supply
   - 10 mA Active Read Current
   - 8 µA Standby Current
   - 1 µA Deep Power Down
   - Temp Grades:
      Extended: -40°C to +105°C
      Extended+: -40°C to +125°C
      Auto Grade: up to +125°C
      Note: Extended+ should not be used for Automotive
• Advanced Security Protection
   - Software and Hardware Write Protection
   - Advanced Sector Protection
   - Top/Bottom Block protection and
      Complement
   - Individual Block/Sector unlock
   - Power Supply Lock Protection
   - 4x256 Byte Dedicated Security Area
      with User-lockable Bits, (OTP) One
      Time Programmable Memory
   - 128 bit Unique ID for Each Device (call
      factory)
• Industry Standard Pin-out & Packages
   - M =16-pin SOIC 300mil
   - L = 8-contact WSON 8x6mm
   - G = 24-ball TFBGA 6x8mm (4x6 ball array)
   - KGD (Call Factory)