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Technical Specifications
Parameters and characteristics for this part
| Specification | AT27C256R-45TC |
|---|---|
| Access Time | 45 ns |
| Memory Format | EPROM |
| Memory Interface | Parallel |
| Memory Organization | 32K x 8 |
| Memory Size | 32 KB |
| Memory Type | Non-Volatile |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP |
| Package / Case [x] | 0.465 " |
| Package / Case [y] | 11.8 mm |
| Supplier Device Package | 28-TSOP |
| Technology | EPROM - OTP |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 4.5 V |
AT27C256R Series
256Kb (32-Kbit x 8) 5V OTP EPROM
| Part | Memory Type | Memory Size | Technology | Operating Temperature [Min] | Operating Temperature [Max] | Access Time | Memory Interface | Voltage - Supply [Min] | Voltage - Supply [Max] | Memory Format | Memory Organization | Package / Case | Package / Case | Package / Case | Mounting Type | Supplier Device Package | Supplier Device Package [y] | Supplier Device Package [x] | Package / Case [y] | Package / Case [x] | Package / Case [custom] | Package / Case [custom] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 85 °C | 55 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-DIP | 0.6 in | 15.24 mm | Through Hole | 28-PDIP | ||||||
 Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 85 °C | 70 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 32-LCC (J-Lead) | Surface Mount | 32-PLCC | 11.43 | 13.97 | ||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | 45 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-TSSOP | Surface Mount | 28-TSOP | 11.8 mm | 0.465 " | ||||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | 90 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-DIP | 0.6 in | 15.24 mm | Through Hole | 28-PDIP | ||||||||
 Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 85 °C | 120 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-SOIC | Surface Mount | 28-SOIC | 8.69 mm | 0.342 in | ||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 85 °C | 90 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-TSSOP | Surface Mount | 28-TSOP | 11.8 mm | 0.465 " | ||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | 150 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-SOIC | Surface Mount | 28-SOIC | 8.69 mm | 0.342 in | ||||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 85 °C | 150 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-TSSOP | Surface Mount | 28-TSOP | 11.8 mm | 0.465 " | ||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | 120 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 32-LCC (J-Lead) | Surface Mount | 32-PLCC | 11.43 | 13.97 | ||||||||
Microchip Technology | Non-Volatile | 32 KB | EPROM - OTP | -40 °C | 125 °C | 150 ns | Parallel | 4.5 V | 5.5 V | EPROM | 32K x 8 | 28-DIP | 0.6 in | 15.24 mm | Through Hole | 28-PDIP |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
AT27C256R Series
The Microchip AT27C256R is a low-power, high-performance 256-Kbit
One Time Programmable EPROM organized as 32-Kbit x 8. Requiring a single 5V
power supply, in normal read mode operation typical power consumption is only 8
Documents
Technical documentation and resources