| Manufacturer | Part # | Datasheet | Description |
 Microchip Technology |
23K640-E/P
|
368Kb/26P |
64K SPI Bus Low-Power Serial SRAM
2009 |
|
23K640-E/P
|
563Kb/28P |
64K SPI Bus Low-Power Serial SRAM
2010 |
|
23K640-E/P
|
608Kb/28P |
64K SPI Bus Low-Power Serial SRAM
08/02/11 |
|
23K640-E/SN
|
368Kb/26P |
64K SPI Bus Low-Power Serial SRAM
2009 |
|
23K640-E/SN
|
563Kb/28P |
64K SPI Bus Low-Power Serial SRAM
2010 |
|
23K640-E/SN
|
608Kb/28P |
64K SPI Bus Low-Power Serial SRAM
08/02/11 |
|
23K640-E/SNVAO
|
611Kb/28P |
64-Kbit SPI Bus Low-Power Serial SRAM
Revision F 07/2022 |
|
23K640-E/ST
|
368Kb/26P |
64K SPI Bus Low-Power Serial SRAM
2009 |
|
23K640-E/ST
|
563Kb/28P |
64K SPI Bus Low-Power Serial SRAM
2010 |
|
23K640-E/ST
|
608Kb/28P |
64K SPI Bus Low-Power Serial SRAM
08/02/11 |