| PartNumber | AT27LV256A-90TI | AT27LV256A-90TU | AT27LV256A-90TC |
| Description | EPROM 256Kb (32Kx8) OTP 3V 90ns | IC EPROM 256K PARALLEL 28TSOP | IC EPROM 256K PARALLEL 28TSOP |
| Manufacturer | Microchip | Atmel | - |
| Product Category | EPROM | Memory | - |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSOP-28 | - | - |
| Type | OTP | - | - |
| Memory Size | 256 kbit | 256K (32K x 8) | - |
| Organization | 32 k x 8 | - | - |
| Interface Type | Parallel | - | - |
| Operating Supply Current | 20 mA | - | - |
| Programming Voltage | 13 V | - | - |
| Supply Voltage Max | 3.6 V, 5.5 V | - | - |
| Supply Voltage Min | 3 V, 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Series | AT27LV256A | - | - |
| Access Time | 55 ns | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Operating Supply Voltage | 3.3 V, 5 V | - | - |
| Output Enable Access Time | 50 ns | - | - |
| Product Type | EPROM | - | - |
| Factory Pack Quantity | 234 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Packaging | - | Tray | - |
| Package Case | - | 28-TSSOP (0.465", 11.80mm Width) | - |
| Operating Temperature | - | -40°C ~ 85°C (TC) | - |
| Interface | - | Parallel | - |
| Voltage Supply | - | 3 V ~ 3.6 V, 4.5 V ~ 5.5 V | - |
| Supplier Device Package | - | 28-TSOP | - |
| Memory Type | - | EPROM OTP | - |
| Speed | - | 90ns | - |
| Format Memory | - | EPROMs | - |