IS25WP080 serial flash memory provides a versatile storage solution with high flexibility and performance in a simplified pin count package.
Function: 8Mbit (1Mbyte) 1.8V Serial Flash Memory Device
Package: SOIC-8 Pin Type
Manufacturer: Integrated Silicon Solution, Inc ( www.issi.com )
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Description
IS25WP080 is an 8Mbit (1Mbyte) 1.8V serial Flash memory device designed for compact systems requiring low pin count, low power consumption, and high-speed nonvolatile storage. It supports standard SPI, Dual I/O, Quad I/O, QPI, and DTR interfaces with read clock rates up to 133MHz and an equivalent QPI rate of 532MHz, along with 256-byte programmable pages, configurable drive strength, and more than 20 years of data retention. Typical applications include embedded code storage, execute-in-place (XIP) memory, consumer electronics, industrial equipment, and space-constrained systems requiring fast serial Flash memory.
Features
- Single 1.65V to 1.95V supply voltage
- Standard SPI, Fast SPI, Dual, Dual I/O, Quad, Quad I/O, QPI, and DTR interface support
- 133MHz maximum Fast Read clock frequency
- 532MHz equivalent QPI data rate
- DTR operation up to 66MHz
- 10mA typical active read current
- 8µA typical standby current
- 1µA typical Deep Power Down current
- 256-byte programmable page size
- Selectable dummy cycles
- Configurable output drive strength
- Supports SPI Modes 0 and 3
Pinout
Working Principle
- The IS25WP080 stores data in nonvolatile Flash memory cells and communicates with a host processor through a low-pin-count serial interface
- Standard SPI operation uses serial input, serial output, serial clock, and chip enable signals for command, address, and data transfers
- Dual and Quad I/O modes increase the number of data lines used during transfers to improve memory bandwidth
- QPI operation uses a four-bit wide interface to achieve an equivalent transfer rate of up to 532MHz at a 133MHz clock frequency
- DTR commands transfer addresses and read data on both clock edges to further improve effective data throughput
- Page programming supports up to 256 bytes per programmable page
- SFDP support allows compatible host controllers to obtain configurable Flash device parameters
- Deep Power Down mode reduces power consumption when the memory is not actively required
Design Notes
- Operate the device from a regulated 1.65V to 1.95V supply and maintain adequate local decoupling close to the VCC and ground connections
- High-speed 133MHz operation requires careful PCB routing, short signal paths, controlled trace impedance, and appropriate signal integrity practices
- Use the appropriate dummy-cycle configuration for the selected read mode and operating frequency
- Configure the output drive strength according to PCB loading and signal integrity requirements rather than using unnecessarily high drive strength
- Keep Chip Enable control well defined during power-up, power-down, and reset conditions to prevent unintended commands
- Protect the Flash contents from unintended erase or program operations by properly controlling write-enable and status-register functions
- For XIP designs, select the appropriate Quad I/O, QPI, or DTR read configuration to balance throughput, latency, and controller compatibility
Applications
- Embedded code storage
- Execute-in-place (XIP) systems
- Consumer electronics
- Industrial control equipment
- Embedded controllers
- Digital audio and multimedia equipment
- IoT and connected devices
- Space-constrained electronic products
- High-speed serial memory interfaces
Alternative / Equivalent Products
- IS25WP040
- IS25WP016
- IS25WP020
IS25WP080 Datasheet PDF Download
