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PDF M28W431 Data sheet ( Hoja de datos )
| Número de pieza | M28W431 | |
| Descripción | 4Mbit Low Voltage Flash Memory | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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M28W431
4 Mbit (512Kb x8, Boot Block) Low Voltage Flash Memory
2.7V to 3.6V SUPPLY VOLTAGE
12V ± 5% PROGRAMMING VOLTAGE
FAST ACCESS TIME: 100ns
PROGRAM/ERASE CONTROLLER (P/E.C.)
AUTOMATIC STATIC MODE
MEMORY ERASE in BLOCKS
– Boot Block (Top location) with hardware
write and erase protection
– Parameter and Main Blocks
100,000 PROGRAM/ERASE CYCLES
LOW POWER CONSUMPTION
20 YEARS DATA RETENTION
– Defectivity below 1ppm/year
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: F7h
DATA BRIEFING
TSOP40 (N)
10 x 20mm
Logic Diagram
DESCRIPTION
The M28W431 Flash memory is a non-volatile
memorythat may be erased electricallyat the block
level and programmed by byte. The interface is
directly compatible with most microprocessors.
The device is offered in TSOP40 (10 x 20mm)
package.
Signal Names
A0-A18
Address Inputs
DQ0-DQ7 Data Input / Outputs
E Chip Enable
G Output Enable
W Write Enable
WP Write Protect
RP Reset/Power Down/Boot Block Unlock
VPP Program & Erase Supply Voltage
VCC Supply Voltage
VSS Ground
B28W431/808
Complete data available on DATA-on-DISC CD-ROM or at www.st.com
VCC VPP
19
A0-A18
RP
W
E
G
WP
M28W431
8
DQ0-DQ7
VSS
AI01714B
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1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet M28W431.PDF ] | |
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