| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| X68257J | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | PLCC32 | 32 | 0°C | 70°C | 70 K |
| X68257JI | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | PLCC32 | 32 | -40°C | 85°C | 70 K |
| X68257JM | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | PLCC32 | 32 | -55°C | 125°C | 70 K |
| X68257S | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | SOIC28P | 28 | 0°C | 70°C | 70 K |
| X68257SI | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | SOIC28P | 28 | -40°C | 85°C | 70 K |
| X68257SM | 256K (32726 x 8bit) E2 Micro-Peripheral | distributor | SOIC28P | 28 | -55°C | 125°C | 70 K |
| X88257P | 256K (32768 x 8bit) E2 Micro-Peripheral | distributor | DIP28P | 28 | 0°C | 70°C | 70 K |
| X88257PI | 256K (32768 x 8bit) E2 Micro-Peripheral | distributor | DIP28P | 28 | -40°C | 85°C | 70 K |
| X88257PM | 256K (32768 x 8bit) E2 Micro-Peripheral | distributor | DIP28P | 28 | -55°C | 125°C | 70 K |
| X88257S | 256K (32768 x 8bit) E2 Micro-Peripheral | distributor | SOIC28P | 28 | 0°C | 70°C | 70 K |
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