M45PE40 Datasheet, PDF (1/46 Pages) STMicroelectronics – 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface

M45PE40
4 Mbit, low voltage, Page-Erasable Serial Flash memory
with byte-alterability and a 50 MHz SPI bus interface
Features
■ SPI bus compatible serial interface
■ 50 MHz clock rate (maximum)
■ 2.7 V to 3.6 V single supply voltage
■ 4 Mbits of Page-Erasable Flash memory
■ Page size: 256 bytes:
– Page Write in 11 ms (typical)
– Page Program in 0.8 ms (typical)
– Page Erase in 10 ms (typical)
■ Sector Erase (64 Kbytes)
■ Hardware Write protection of the bottom sector
(64 Kbytes)
■ Electronic Signature
– JEDEC standard two-byte signature
(4013h)
■ Deep Power-down Mode 1µA (typical)
■ More than 100 000 Write cycles
■ More than 20 years’ data retention
■ Packages
– ECOPACK® (RoHS compliant)
VFQFPN8 (MP)
6 × 5 mm (MLP8)
SO8W (MW)
208 mils width
SO8N (MN)
150 mils width
December 2007
Rev 8
1/46
www.numonyx.com
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