| PartNumber | AT27C020-90TU | AT27C020-90TI | AT27C020-90TC |
| Description | EPROM 2Mb (128Kx8) OTP 5V 90ns | EPROM 2Mb (128Kx8) OTP 5V 90ns | IC EPROM 2M PARALLEL 32TSOP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EPROM | EPROM | - |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSOP-32 | TSOP-32 | - |
| Type | OTP | OTP | - |
| Memory Size | 2 Mbit | 2 Mbit | - |
| Organization | 256 k x 8 | 256 k x 8 | - |
| Interface Type | Parallel | Parallel | - |
| Operating Supply Current | 25 mA | 25 mA | - |
| Programming Voltage | 13 V | 13 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT27C020 | AT27C020 | - |
| Access Time | 55 ns | 55 ns | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Output Enable Access Time | 35 ns | 35 ns | - |
| Product Type | EPROM | EPROM | - |
| Factory Pack Quantity | 156 | 156 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |