TMS4256-8FML
Page Mode DRAM, 256KX1, 80ns, NMOS, PQCC18Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS4256 series, part number TMS4256-8FML, is a 256K x 1 NMOS Page Mode DRAM. This component offers an 80ns maximum access time and supports RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH modes for efficient memory operation. The device utilizes a PQCC18 package, a rectangular plastic chip carrier with 18 terminals, suitable for surface mounting. Its asynchronous operating mode and 3-state output characteristics are compatible with various system designs. The TMS4256-8FML is found in applications requiring high-speed data access and reliable memory storage, including industrial control systems and legacy computing platforms. The operating temperature range is 0°C to 70°C, with a supply voltage range of 4.75V to 5.25V.
Additional Information
Series: TMS4256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 12.4460 |
| Width | 7.3660 |
| Technology | NMOS |
| Access_Mode | PAGE |
| Access_Time_Max | 80.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-PQCC-J18 |
| 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 | 18 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | QCCJ |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Refresh_Cycles | 256 |
| Seated_Height_Max | 3.5300 |
| Supply_Voltage_Max | 5.25000 |
| Supply_Voltage_Min | 4.75000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | J BEND |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
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