Features: ` 4Mbit of Page-Erasable Flash Memory` Page Write (up to 256 Bytes) in 11ms (typical)` Page Program (up to 256 Bytes) in 1.2ms (typical)` Page Erase (256 Bytes) in 10ms (typical)` Sector Erase (512 Kbit)` 2.7 to 3.6V Single Supply Voltage` SPI Bus Compatible Serial Interface` 33MHz Clock...
M45PE40: Features: ` 4Mbit of Page-Erasable Flash Memory` Page Write (up to 256 Bytes) in 11ms (typical)` Page Program (up to 256 Bytes) in 1.2ms (typical)` Page Erase (256 Bytes) in 10ms (typical)` Sector E...
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Symbol |
Parameter |
Min. |
Max. |
Unit |
TSTG |
Storage Temperature |
-65 |
150 |
|
TLEAD |
Lead Temperature during Soldering |
See note 1 |
||
VIO |
Input and Output Voltage (with respect to Ground) |
-0.6 |
4.0 |
V |
VCC |
Supply Voltage |
-0.6 |
4.0 |
V |
VESD |
Electrostatic Discharge Voltage (Human Body model)2 |
-2000 |
2000 |
V |
Note: 1. Compliant with JEDEC Std J-STD-020B (for small body, Sn-Pb or Pb assembly), the ST ECOPACK® 7191395 specification, and the European directive on Restrictions on Hazardous Substances (RoHS) 2002/95/EU
2. JEDEC Std JESD22-A114A (C1=100 pF, R1=1500 , R2=500 )
The M45PE40 is a 4Mbit (512K x 8 bit) Serial Paged Flash Memory accessed by a high speed SPI-compatible bus.
The memory can be written or programmed 1 to 256 bytes at a time, using the Page Write or Page Program instruction. The Page Write instruction consists of an integrated Page Erase cycle followed by a Page Program cycle.
The M45PE40 is organized as 8 sectors, each containing 256 pages. Each page is 256 bytes wide. Thus, the whole memory can be viewed as consisting of 2048 pages, or 524288 bytes.
The M45PE40 can be erased a page at a time, using the Page Erase instruction, or a sector at a time, using the Sector Erase instruction.
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. ECOPACK® packages are Lead-free and RoHS compliant.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.