27HC256-55I/SP
OTP ROM, 64KX8, 45ns, CMOS, PDIP28Manufacturer: Microchip Technology
Categories: OTP ROMs
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Microchip Technology's 27HC256-55I-SP is a 64K x 8 bit One-Time Programmable Read-Only Memory (OTP ROM) device. This CMOS component offers a maximum access time of 45ns and operates asynchronously. The memory organization is 64K words by 8 bits, providing a total density of 524,288 bits. It features 3-state outputs and common I/O. The 27HC256 series is designed for applications requiring reliable, non-volatile program storage. This specific part is housed in a 28-lead Plastic Dual In-line Package (PDIP28) with through-hole mounting. The operating temperature range is -40°C to +85°C. This component finds utility in industrial control, telecommunications, and legacy system designs where robust code storage is critical.
Additional Information
Series: 27HC256RoHS Status: Manufacturer Lead Time: Product Status: Contact MfrPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 45.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-PDIP-T28 |
| Memory_Density | 524288.0000000000000000 |
| Memory_IC_Type | OTP ROM |
| Memory_Organization | 64KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 64k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP28,.3 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Parallel_Serial | Parallel |
| Programming_Voltage | 12.75 |
| Standby_Current_Max | 0.040000000000000 |
| Supply_Current_Max | 30.000000000000000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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