M50FW040K5P 데이터 시트보기 (PDF) - STMicroelectronics

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M50FW040K5P

4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory

STMicroelectronics 

M50FW040

4-Mbit (512 Kb x8, uniform block)

3-V supply firmware hub Flash memory

Feature summary

■ Supply voltage

– VCC = 3 V to 3.6 V for Program, Erase and

Read operations

– VPP = 12V for fast Erase (optional)

■ Two interfaces

– Firmware hub (FWH) interface for

embedded operation with PC chipsets

– Address/Address Multiplexed (A/A Mux)

interface for programming equipment

compatibility

■ Firmware hub (FWH) hardware interface mode

– 5-signal communication interface

supporting Read and Write operations

– Hardware Write Protect pins for block

protection

– Register based Read and Write protection

– 5 additional general-purpose inputs for

platform design flexibility

– Synchronized with 33-MHz PCI clock

■ Programming time: 10 µs typical

■ 8 uniform 64 Kbyte memory blocks

■ Program/Erase Controller

– Embedded Byte Program and Block Erase

algorithms

– Status Register bits

■ Program and Erase Suspend

– Read other blocks during Program/Erase

Suspend

– Program other blocks during Erase

Suspend

■ For use in PC Bios applications

■ Electronic signature

– Manufacturer code: 20h

– Device code: 2Ch

PLCC32 (K)

TSOP32 (NB)

8 × 14mm

TSOP40 (N)

10 × 20mm

■ Packages

– ECOPACK® (RoHS compliant)

October 2006

Rev 9

1/53

www.st.com

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