 |  |  | |
| PartNumber | AT27C256R-70PU | AT27C256R-70RU | AT27C256R-90JC |
| Description | EPROM 256Kb (32Kx8) OTP 5V 70ns | EPROM 256Kb (32Kx8) OTP 5V 70ns | EPROM 256k bit |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EPROM | EPROM | EPROM |
| RoHS | Y | Y | N |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP W-28 | SOIC-28 | PLCC-32 |
| Type | OTP | OTP | OTP |
| Memory Size | 256 kbit | 256 kb | 256 kB |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Parallel | Parallel | Parallel |
| Operating Supply Current | 100 uA | 20 mA | 20 mA |
| Programming Voltage | 13 V | 13 V | 13 V |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | AT27C256R | AT27C256R | AT27C256R |
| Packaging | Tube | - | - |
| Access Time | 70 ns | 45 ns | 90 ns |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Voltage | 5 V | 5 V | 2.7 V to 3.6 V |
| Output Enable Access Time | 30 ns | 30 ns | 30 ns |
| Product Type | EPROM | EPROM | EPROM |
| Factory Pack Quantity | 14 | 26 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.143449 oz | 0.078125 oz | - |
| Moisture Sensitive | - | Yes | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT27C256R-70RU | EPROM 256Kb (32Kx8) OTP 5V 70ns | |
| AT27C256R-90PC | EPROM 256k bit | ||
| AT27C256R-90JI | EPROM 256k bit | ||
| AT27C256R-90JC | EPROM 256k bit | ||
| AT27C256R-70PU | EPROM 256Kb (32Kx8) OTP 5V 70ns | ||
| AT27C256R-70RU | IC EPROM 256K PARALLEL 28SOIC | ||
| AT27C256R-90JC | IC EPROM 256K PARALLEL 32PLCC | ||
| AT27C256R-90PC | IC EPROM 256K PARALLEL 28DIP | ||
| AT27C256R-90JI | IC EPROM 256K PARALLEL 32PLCC | ||
| AT27C256R45JU | OTP ROM, 32KX8, 45ns, CMOS, PQCC32 | ||
| AT27C256R70PU | OTP ROM, 32KX8, 70ns, CMOS, PDIP28 | ||
| AT27C256R15PC | New and Original | ||
| AT27C256R70PI | New and Original | ||
| AT27C256R90JC | OTP ROM, 32KX8, 90ns, CMOS, PQCC32 | ||
| AT27C256RL-90KC | New and Original | ||
| AT27C256R-70RC | IC EPROM 256K PARALLEL 28SOIC | ||
| AT27C256R-70RI | IC EPROM 256K PARALLEL 28SOIC | ||
| AT27C256R-70TC | IC EPROM 256K PARALLEL 28TSOP | ||
| AT27C256R-70TU | IC EPROM 256K PARALLEL 28TSOP | ||
| AT27C256R-90TC | IC EPROM 256K PARALLEL 28TSOP | ||
| AT27C256R-70TI | IC EPROM 256K PARALLEL 28TSOP | ||
| AT27C256R-90PA | IC EPROM 256K PARALLEL 28DIP | ||
| AT27C256R-90PI | IC EPROM 256K PARALLEL 28DIP | ||
| AT27C256R-90RC | IC EPROM 256K PARALLEL 28SOIC | ||
| AT27C256R-90RI | IC EPROM 256K PARALLEL 28SOIC | ||
| AT27C256R-90TI | IC EPROM 256K PARALLEL 28TSOP | ||
| AT27C256R12JC | OTP ROM, 32KX8, 120ns, CMOS, PQCC32 |