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Comment: Only 2 Flash chip types are left

Flash 5v

The purpose of this section is to compare the original Flash chips with later versions.

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All manufactures use this standard.

1M

The following device is was available 27/07/2013

 DevicePackageManufacturerSectors 
AM29F800BB-55EF48-Pin TSOPSPANSION

64 Kbyte

sectors

 

 

Spansion are putting their 1M AMD Flash chips on End of Life EOL.

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AMIC may have had some 5v replacements A29800, A29801 these are no longer available.

The package is slightly larger, they do not fully match.

Once stocks of the Am29F080B device are depleted, there is no replacement.

512K Flash 5v

The following devices are available  

 DevicePackageManufacturerSectors 
Image AddedA29040C-55FDIP 32AMIC

64 Kbyte

sectors

 
Image AddedA29040CL-55FPLCCAMIC

64 Kbyte

sectors

 

The following devices were available 27/07/2013

 DevicePackageManufacturerSectors 
A29040B-70FDIP 32AMIC

64 Kbyte

sectors

 
A29040BL-70FPLCCAMIC

64 Kbyte

sectors

 
A29040BV-70F32 TSOPAMIC

64 Kbyte

sectors

 
AM29F040B-55JFPLCCSPANSION

64 Kbyte

sectors

 
AM29F040B-90JFPLCCSPANSION

64 Kbyte

sectors

 
A29L040L-70FPLCCAMIC

64 Kbyte

sectors

 
SST39SF040-70-4C-NHEPLCCMICROCHIP

Uniform

4KByte

sectors

 
SST39SF040-70-4I-NHEPLCC 

Uniform

4KByte

sectors

 
SST39SF040-70-4I-WHE32 TSOP 

Uniform

4KByte

sectors

 

...

 DevicePackageManufacturerSectors 
A29010L-70FPLCCAMIC

64 Kbyte

sectors

 
A29010V-70F32 TSOPAMIC

64 Kbyte

sectors

 
AM29F010B-70JFPLCCSPANSION

64 Kbyte

sectors

 
SST39SF010A-70-4C-NHEPLCCMICROCHIP

Uniform

4KByte

sectors

 
SST39SF010A-70-4C-WHE32 TSOPMICROCHIP

Uniform

4KByte

sectors

 
SST39SF010A-70-4I-NHEPLCCMICROCHIP

Uniform

4KByte

sectors

 
SST39SF010A-70-4I-WHE32 TSOPMICROCHIP

Uniform

4KByte

sectors

 
SST39SF010A-70-4C-PHEDIP 32MICROCHIP

Uniform

4KByte

sectors

 

Conclusion

  • There is no life left for the 1M Flash chips.
  • The 512K size is the most cost effective and the 64 sector version is manufactured by two companies.
  • 128K is not a lot cheaper than the 512K and is uneconomic to use.