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IS25LQ040B Datasheet(PDF) 2 Page - Integrated Silicon Solution, Inc |
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IS25LQ040B Datasheet(HTML) 2 Page - Integrated Silicon Solution, Inc |
2 / 66 page IS25LQ025/512/010/020/040B Integrated Silicon Solution, Inc.- www.issi.com Rev.A 12/12/2014 2 256K/512K/1M/2M/4MBIT 3V QUAD SERIAL FLASH MEMORY WITH MULTI-I/O SPI FEATURES Industry Standard Serial Interface - IS25LQ040B: 4Mbit/ 512Kbyte - IS25LQ020B: 2Mbit/ 256Kbyte - IS25LQ010B: 1Mbit/ 128Kbyte - IS25LQ512B: 512Kbit/ 64Kbyte - IS25LQ025B: 256Kbit/ 32Kbyte - 256-bytes per Programmable Page Standard - Standard SPI/Dual/Quad Multi-I/O SPI - Supports Serial Flash Discoverable Parameters (SFDP) High Performance Serial Flash (SPI) - 104 MHz SPI/Dual/Quad Multi-I/O SPI - 416 MHz equivalent Quad SPI - 52MB/S Continuous Data Throughput - Supports SPI Modes 0 and 3 - More than 100,000 erase/program cycles - More than 20-year data retention Efficient Read and Program modes - Low Instruction Overhead Operations - Continuous data read with Byte Wrap around - Allows XIP operations (execute in place) - Outperforms X16 Parallel Flash Flexible & Cost Efficient Memory Architecture - Uniform 4Kbyte Sectors or 32/64Kbyte Blocks - Flexible 4, 32, 64Kbyte, or Chip Erase - Standard Page Program 1 to 256 bytes - Program/Erase Suspend and Resume Low Power with Wide Temp. Ranges - Single 2.3V to 3.6V Voltage Supply - 10 mA Active Read Current - 8 µA Standby Current - Deep Power Down - Temp Grades: Extended: -40°C to +105°C V Grade: -40°C to +125°C Auto Grade: -40°C to +125°C Advanced Security Protection - Software and Hardware Write Protection - 4x256-Byte dedicated security area with user-lockable bits, (OTP) One Time Programmable Memory - 128 bit Unique ID for each device Industry Standard Pin-out & Pb-Free Packages1 - JB = 8-pin SOIC 208mil - JN = 8-pin SOIC 150mil - JD = 8-pin TSSOP 150mil - JV = 8-pin VVSOP 150mil - JK = 8-contact WSON 6x5mm - JU = 8-contact USON 2x3mm - KGD (call factory) Note1: IS25LQ040B (not available in JD) GENERAL DESCRIPTION The IS25LQ025/512/010/020/040B (256K/512K/1M/2M/4Mbit) Serial Flash memory offers a storage solution with flexibility and performance in a simplified pin count package. ISSI’s “Industry Standard Serial Interface” is for systems that have limited space, pins, and power. The IS25LQ025/512/010/020/040B 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 also serve as multi-function I/O pins in Dual and Quad modes (see pin descriptions). The IS25xQ series of Flash is ideal for code shadowing to RAM, execute in place (XIP) operations, and storing non-volatile data. The memory array is organized into programmable pages of 256-bytes each. The IS25LQ025/512/010/020/040B supports page program mode where 1 to 256 bytes of data can be programmed into the memory with one command. Pages can be erased in groups of 4Kbyte sectors, 32Kbyte blocks, 64Kbyte blocks, and/or the entire chip. The uniform sectors and blocks allow greater flexibility for a variety of applications requiring solid data retention. The device supports the standard Serial Peripheral Interface (SPI), Dual/Quad output (SPI), and Dual/Quad I/O (SPI). Clock frequencies of up to 104MHz for all read modes allow for equivalent clock rates of up to 416MHz (104MHz x 4) allowing up to 52MBytes/S of throughput. These transfer rates can outperform 16-bit Parallel Flash memories allowing for efficient memory access for a XIP (execute in place) operation. The IS25LQ025/512/010/020/040B is manufactured using industry leading non-volatile memory technology and offered in industry standard lead-free packages. See Ordering Information for the density and package combinations available. |
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