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IS25WQ040 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 4M/2M-BIT 1.8V QUAD SERIAL FLASH MEMORY - ISSI

भाग संख्या IS25WQ040
समारोह 4M/2M-BIT 1.8V QUAD SERIAL FLASH MEMORY
मैन्युफैक्चरर्स ISSI 
लोगो ISSI लोगो 
पूर्व दर्शन
1 Page
		
<?=IS25WQ040?> डेटा पत्रक पीडीएफ

IS25WQ040 pdf
PRELIMINARY INFORMATION
IS25WQ040/020
4M/2M-BIT
1.8V QUAD SERIAL FLASH MEMORY WITH MULTI-I/O SPI
PRELIMINARY DATASHEET
FEATURES
Industry Standard Serial Interface
- IS25WQ040: 4M-bit/ 512K-byte
- IS25WQ020: 2M-bit/ 256K-byte
- 256-bytes per Programmable Page Standard
- Standard SPI/Dual/Quad Multi-I/O SPI
High Performance Serial Flash (SPI)
- 33MHz SPI Normal Read
- 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 cycles1
- More than 20-year data retention
Efficient Read and Program modes
- Low Instruction Overhead Operations
- Continuous data read
- Allows XIP operations (execute in place)
- Outperforms X16 Parallel Flash
Low Power with Wide Temp. Ranges
- Single 1.65V to 1.95V Voltage Supply
- 10 mA Active Read Current
- 15 µA Standby Current
- 2 µA Deep Power Down
- Temp Grades:
Extended: -40°C to +105°C
Advanced Security Protection
- Software and Hardware Write Protection
- 256-Byte dedicated security area, One
Time Programmable (OTP) Memory
- 128 bit Unique ID for each device
Industry Standard Pin-out & Pb-Free Packages2
- JB = 8-pin SOIC 208mil
- JN = 8-pin SOIC 150mil
- JV = 8-pin VVSOP 150mil
- JK = 8-contact WSON 6x5mm
- JU = 8-contact USON 2x3mm
- KGD (Call Factory)
Flexible & Cost Efficient Memory Architecture
- Uniform 4 Kbyte Sectors or 32/64 Kbyte Blocks
- Flexible 4, 32, 64 K-bytes, or Chip Erase
- Standard Page Program 1 to 256 bytes
- Program/Erase Suspend and Resume
Note2: Call Factory for other package options available
GENERAL DESCRIPTION
The IS25WQ040/020 (4M/2Mbit) 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 IS25WQ040/020 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 IS25WQ040/020 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 4K-byte sectors, 32K-byte blocks, 64K-byte 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 IS25WQ040/020 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.
Note1: 100,000 Continuous Chip and Block cycling, 100,000 Continuous Sector cycling.
Integrated Silicon Solution, Inc.- www.issi.com
Rev. 0A
12/05/2014
2

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