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| PartNumber | AT28HC256E-90PU | AT28HC256E-90PI | AT28HC256E-90PC |
| Description | EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP | EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP | EEPROM 256K HI-ENDURANCE SDP - 90NS COM TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | PDIP-28 | PDIP-28 | PDIP-28 |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Parallel | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI |
| Access Time | 90 ns | 70 ns | 70 ns |
| Data Retention | 10 Year | 10 Year | 10 Year |
| Supply Current Max | 80 mA | 80 mA | 80 mA |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 70 C |
| Series | AT28HC256 | AT28HC256 | AT28HC256 |
| Height | 4.83 - 0.38 mm (Max) (Min) | 3.94 mm (Max) | 4.83 - 0.38 mm (Max) (Min) |
| Length | 37.34 mm (Max) | 37.3 mm (Max) | 37.34 mm (Max) |
| Width | 13.97 mm (Max) | 14.4 mm (Max) | 13.97 mm (Max) |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Current | 80 mA | 80 mA | 80 mA |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Output Enable Access Time | 40 ns | 40 ns | 40 ns |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Factory Pack Quantity | 14 | 14 | 14 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.147798 oz | 0.147798 oz | 0.147798 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT28HC256E-90PU | EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP | |
| AT28HC256E-90PI | EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP | ||
| AT28HC256E-90PC | EEPROM 256K HI-ENDURANCE SDP - 90NS COM TEMP | ||
| AT28HC256E-90PU | IC EEPROM 256K PARALLEL 28DIP | ||
| AT28HC256E-90PC | IC EEPROM 256K PARALLEL 28DIP | ||
| AT28HC256E-90PI | IC EEPROM 256K PARALLEL 28DIP |