TMS4256-8NE
Page Mode DRAM, 256KX1, 80ns, NMOS, PDIP16Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS4256-8NE is a 256K x 1 bit NMOS DRAM featuring page mode access for enhanced performance. This component offers an 80ns maximum access time, supporting various refresh modes including RAS-only, CAS-before-RAS, and hidden refresh cycles. The device operates asynchronously with a supply voltage range of 4.75V to 5.25V and a nominal 5V requirement. Its 16-pin PDIP package with through-hole termination is suitable for applications requiring robust connectivity. The TMS4256 series is commonly found in industrial control systems, telecommunications equipment, and legacy computing platforms. Operating temperature spans from -40°C to +85°C.
Additional Information
Series: TMS4256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 7.6200 |
| Technology | NMOS |
| Length | 19.3050 |
| Access_Mode | PAGE |
| Access_Time_Max | 80.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-PDIP-T16 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | PAGE MODE DRAM |
| Memory_Organization | 256KX1 |
| Memory_Width | 1 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 16 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| 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_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 256 |
| Seated_Height_Max | 5.0800 |
| Supply_Voltage_Max | 5.25000 |
| Supply_Voltage_Min | 4.75000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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