TMS44C250-1SDL
Video DRAM, 256KX4, 100ns, CMOS, PZIP28Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS44C250-1SDL, a Video DRAM component from the TMS44C250 series, offers a memory organization of 256K x 4 bits, resulting in a total density of 1 Megabit. This CMOS device features a maximum access time of 100ns and operates with a supply voltage ranging from 4.75V to 5.25V. The component supports various refresh modes, including RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH, with 512 refresh cycles. Additional features include a 512 x 4 SAM port for enhanced data handling. The TMS44C250-1SDL is packaged in a 28-terminal PZIP (Plastic Zip) with a zig-zag in-line configuration, designed for through-hole mounting. This memory IC is suitable for applications in graphics controllers, display systems, and other high-speed data processing domains.
Additional Information
Series: TMS44C250RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 2.8000 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
| JESD_30_Code | R-PZIP-T28 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | VIDEO DRAM |
| Memory_Organization | 256KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 2 |
| Number_of_Terminals | 28 |
| 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 | ZIP |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 10.1600 |
| Supply_Voltage_Max | 5.25000 |
| Supply_Voltage_Min | 4.75000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 1.270 |
| Terminal_Position | ZIG-ZAG |
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