27HC256T-55/SO
OTP ROM, 512X4, 55ns, CMOS, PDSO28Manufacturer: Microchip Technology
Categories: OTP ROMs
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Microchip Technology's 27HC256T-55-SO is a 2048-bit (512 x 4) One-Time Programmable (OTP) ROM utilizing CMOS technology. This component features an asynchronous operating mode with a maximum access time of 55ns. The memory organization is 512 words by 4 bits, offering a 3-state output characteristic. It operates from a nominal supply voltage of 5V and has a programming voltage requirement of 13V. The 27HC256T-55-SO is housed in a 28-lead PDSO (Plastic Dual Small Outline) package with a gull-wing terminal form and a 1.27mm terminal pitch, suitable for surface mounting. Typical applications for this type of non-volatile memory include industrial control systems, consumer electronics, and embedded systems requiring fixed program storage. The operating temperature range is 0°C to 70°C.
Additional Information
Series: 27HC256RoHS Status: Manufacturer Lead Time: Product Status: Contact MfrPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 55.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-PDSO-G28 |
| Memory_Density | 2048.0000000000000000 |
| Memory_IC_Type | OTP ROM |
| Memory_Organization | 512X4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 512 |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | SOP |
| Package_Equivalence_Code | SOP28,.4 |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Parallel_Serial | Parallel |
| Programming_Voltage | 13 |
| Standby_Current_Max | 0.035000000000000 |
| Supply_Current_Max | 20.000000000000000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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