TMS44C257-10DJL
Static Column DRAM, 256KX4, 100ns, CMOS, PDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS44C257 series 1 Mbit (256K x 4) Static Column DRAM, part number TMS44C257-10DJL. This CMOS device offers a maximum access time of 100ns and operates with a supply voltage range of 4.5V to 5.5V. It features Static Column mode operation, along with RAS Only, CAS Before RAS, and Hidden refresh modes. The component is housed in a 20-lead PDSO (SOJ) package with J-bend terminals and a pitch of 1.27mm, suitable for surface mounting. Applications for this memory component are found in industrial and consumer electronics requiring high-speed data storage. The operating temperature range is 0°C to 70°C.
Additional Information
Series: TMS44C257RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 7.5700 |
| Technology | CMOS |
| Length | 17.1450 |
| Access_Mode | STATIC COLUMN |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-PDSO-J20 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | STATIC COLUMN DRAM |
| Memory_Organization | 256KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 20 |
| 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 | SOJ |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 3.7600 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | J BEND |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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