TM4257FL8-15L
DRAM Module, 256KX8, 150ns, NMOSManufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TM4257FL8-15L is an NMOS DRAM Module from the TM4257FL8 series, featuring a 256K x 8 memory organization and a maximum access time of 150 ns. This asynchronous DRAM module supports NIBBLE access mode and offers refresh cycle options including RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH. The I/O type is COMMON, and the output characteristics are 3-State. This component is housed in a 30-terminal SIMM package with through-hole mounting. It operates within a temperature range of 0°C to 70°C and requires a supply voltage between 4.5V and 5.5V, with a nominal value of 5V. Applications for this component are found in industrial automation and legacy computing systems.
Additional Information
Series: TM4257FL8RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | NMOS |
| Access_Mode | NIBBLE |
| Access_Time_Max | 150.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| I_O_Type | COMMON |
| JESD_30_Code | R-XSMA-T30 |
| Memory_Density | 2097152.0000000000000000 |
| Memory_IC_Type | DRAM MODULE |
| Memory_Organization | 256KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 30 |
| 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 | UNSPECIFIED |
| Package_Code | SIMM |
| Package_Equivalence_Code | SIP30,.2 |
| Package_Shape | Rectangular |
| Package_Style | MICROELECTRONIC ASSEMBLY |
| Refresh_Cycles | 256 |
| Seated_Height_Max | 16.5100 |
| 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 | Single |
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