QD27256-20
UVPROM, 32KX8, 200ns, NMOS, CDIP28Manufacturer: Intel
Categories: EPROMs
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Intel QD27256-20 is a 262144-bit UV Erasable Programmable Read-Only Memory (UVPROM) from the QD27256 series. This NMOS technology device offers a memory organization of 32K words by 8 bits, providing a total capacity of 32,768 words. It features an asynchronous operating mode with a maximum access time of 200 nanoseconds. The component utilizes common I/O and 3-state output characteristics, with a parallel interface. Supplied in a 28-lead Ceramic Dual In-line Package (CDIP28), it requires a programming voltage of 12.5V and operates within a supply voltage range of 4.5V to 5.5V. Typical applications for this component include legacy systems, industrial control, and embedded systems requiring non-volatile data storage. The operating temperature range is from 0.0°C to 70.0°C.
Additional Information
Series: QD27256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 37.1500 |
| Width | 15.2400 |
| Technology | NMOS |
| Access_Time_Max | 200.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-GDIP-T28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | UVPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, GLASS-SEALED |
| Package_Code | WDIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE, WINDOW |
| Parallel_Serial | Parallel |
| Programming_Voltage | 12.5 |
| Seated_Height_Max | 5.7200 |
| Supply_Current_Max | 100.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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