| PartNumber | AT28C64B-15JU-235 | AT28C64B-15JU | AT28C64B-15JC |
| Description | EEPROM 150NS, PLCC, IND TEMP, GREEN - test to 105C | EEPROM 64K 8K x 8 150 ns 4.5V-5.5V | EEPROM DIE WAFER FORM - 150NS COM TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | N |
| Package / Case | PLCC-32 | PLCC-32 | DFN-8 |
| Series | AT28C64B | AT28C64B | AT28C64B |
| Packaging | Reel | Tube | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 750 | 32 | 32 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Memory Size | - | 64 kbit | 64 kbit |
| Organization | - | 8 k x 8 | 8 k x 8 |
| Interface Type | - | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI |
| Access Time | - | 150 ns | 150 ns |
| Data Retention | - | 10 Year | 10 Year |
| Supply Current Max | - | 40 mA | 40 mA |
| Supply Voltage Min | - | 4.5 V | 4.5 V |
| Supply Voltage Max | - | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - | - 40 C | 0 C |
| Maximum Operating Temperature | - | + 85 C | + 70 C |
| Height | - | 2.79 mm (Min) | 2.8 mm (Max) |
| Length | - | 14.1 mm (Max) | 14 mm (Max) |
| Width | - | 11.51 mm (Max) | 11.5 mm (Max) |
| Operating Supply Current | - | 40 mA | 40 mA |
| Operating Supply Voltage | - | 5 V | 4.5 V, 5.5 V |
| Output Enable Access Time | - | 70 ns | 70 ns |
| Programming Voltage | - | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Unit Weight | - | 0.076051 oz | - |