QD87C256-25
UVPROM, 32KX8, 250ns, CMOS, CDIP28Manufacturer: Intel
Categories: EPROMs
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The Intel QD87C256-25 is a 32K x 8 bit CMOS UV Erasable Programmable Read-Only Memory (UVPROM). This device features an access time of 250 nanoseconds and operates with common I/O. Organized as 32,768 words by 8 bits, it offers a total memory density of 262,144 bits. The QD87C256 series component utilizes a 5V supply voltage and is housed in a 28-terminal Ceramic Dual In-line Package (CDIP28), designed for through-hole mounting. Its 3-state output characteristics enable efficient data bus utilization. This asynchronous memory component finds application in industrial control systems and legacy embedded designs requiring robust, non-volatile data storage.
Additional Information
Series: QD87C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 250.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-XDIP-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 |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Parallel_Serial | Parallel |
| Supply_Current_Max | 15.000000000000000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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