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NOR Flash 64Mb SERIAL FLASH MEMORY WITH 166MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE

The IS25LP064D and IS25WP064D 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).

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Semiconductors

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NOR Flash 64Mb SERIAL FLASH MEMORY WITH 166MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE

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DESCRIPTION

The device supports Dual and Quad I/O as well as standard, Dual Output, and Quad Output SPI. Clock frequencies of up to 166MHz allow for equivalent clock rates of up to 664MHz (166MHz x 4) which equates to 83Mbytes/s of data throughput. The IS25xP series of Flash adds support for DTR (Double Transfer Rate) commands that transfer addresses and read data on both edges of the clock. These transfer rates can outperform 16-bit Parallel Flash memories allowing for efficient memory access to support XIP (execute in place) operation.

Initial state of the memory array is erased (all bits are set to 1) when shipped from the factory.

QPI (Quad Peripheral Interface) supports 2-cycle instruction further reducing instruction times. Pages can be erased in groups of 4Kbyte sectors, 32Kbyte blocks, 64Kbyte blocks, and/or the entire chip. The uniform sector and block architecture allows for a high degree of flexibility so that the device can be utilized for a broad variety of applications requiring solid data retention

FEATURES

Industry Standard Serial Interface

Low Power with Wide Temp. Ranges

High Performance Serial Flash (SPI)

Advanced Security Protection

Flexible & Efficient Memory Architecture

Industry Standard Pin-out & Packages

Flexible & Efficient Memory Architecture

Industry Standard Pin-out & Packages(

Efficient Read and Program modes

Keywords：

SERIAL FLASH MEMORY Memory ICs