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Eon Silicon Solution - EN25B40

Numéro de référence 25B40
Description EN25B40
Fabricant Eon Silicon Solution 
Logo Eon Silicon Solution 





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25B40 fiche technique
EN25B40
EN25B40
4 Mbit Serial Flash Memory with Boot and Parameter Sectors
FEATURES
Single power supply operation
- Full voltage range: 2.7-3.6 volt
4 M-bit Serial Flash
- 4 M-bit/512 K-byte/2048 pages
- 256 bytes per programmable page
High performance
- 75MHz clock rate
Low power consumption
- 5 mA typical active current
- 1 μA typical power down current
Flexible Sector Architecture:
- Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte,one
32-Kbyte, and seven 64-Kbyte sectors
Software and Hardware Write Protection:
- Write Protect all or portion of memory via
software
- Enable/Disable protection with WP# pin
High performance program/erase speed
- Byte program time: 7µs typical
- Page program time: 1.5ms typical
- Sector erase time: 300 to 800ms typical
- Chip erase time: 5 Seconds typical
Minimum 100K endurance cycle
Package Options
- 8 pins SOP 150mil body width
- 8 pins SOP 200mil body width
- 8 contact VDFN
- 8 pins PDIP
- All Pb-free packages are RoHS compliant
Commercial and industrial temperature
Range
GENERAL DESCRIPTION
The EN25B40 is a 4M-bit (512K-byte) Serial Flash memory, with advanced write protection
mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to
256 bytes at a time, using the Page Program instruction.
The EN25B40 has twelve sectors including seven sectors of 64KB, one sector of 32KB, one sector of
16KB, one sector of 8KB and two sectors of 4KB. This device is designed to allow either single Sector at a
time or full chip erase operation. The EN25B40 can protect boot code stored in the small sectors for either
bottom or top boot configurations. The device can sustain a minimum of 100K program/erase cycles on
each sector.
This Data Sheet may be revised by subsequent versions 1
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. E, Issue Date: 2007/5/3
Free Datasheet http://www.datasheet4u.com/

PagesPages 30
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