TMS44C256-80N
Fast Page DRAM, 256KX4, 80ns, CMOS, PDIP20Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS44C256-80N is a 256K x 4 Fast Page Mode DRAM, offering a 1,048,576-bit memory density. This CMOS component features an 80ns maximum access time and operates with a single 5V supply, ranging from 4.5V to 5.5V. The memory organization supports 256K words by 4 bits, utilizing a common I/O type. Refresh cycles are supported at 512, with options for RAS only, CAS before RAS, and hidden refresh modes. The TMS44C256 series component is housed in a 20-pin PDIP package with through-hole termination. This device is suitable for applications in consumer electronics and industrial control systems.
Additional Information
Series: TMS44C256RoHS Status: Manufacturer Lead Time: 0Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 24.3250 |
| Width | 7.6200 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 80.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| I_O_Type | COMMON |
| JESD_30_Code | R-PDIP-T20 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | FAST PAGE 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 | DIP |
| Package_Equivalence_Code | DIP20,.3 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 5.0800 |
| Standby_Current_Max | 0.002000000000000 |
| Supply_Current_Max | 75.000000000000000 |
| 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 | Dual |
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