TMX44C257-15DJ
Static Column DRAM, 256KX4, 150ns, CMOS, PDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMX44C257 series Static Column DRAM, part number TMX44C257-15DJ, offers a 256K x 4 memory organization with a maximum access time of 150ns. This CMOS component operates asynchronously and features 3-state output characteristics. The memory density is 1Mb, organized into 262,144 words. It supports 512 refresh cycles and is housed in a 20-pin PDSO (SOJ) package with a J-bend terminal form and 1.27mm pitch. The supply voltage range is 4.5V to 5.5V, with a nominal voltage of 5V. This component is suitable for applications in consumer electronics and industrial control systems requiring reliable, high-speed random access memory.
Additional Information
Series: TMX44C257RoHS 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 | 150.0000000000000000 |
| 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 |
| 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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