SMJ44C256-15HJL
Fast Page DRAM, 256KX4, 150ns, CMOS, CDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments SMJ44C256-15HJL is a 1-megabit (256K x 4) Fast Page Mode DRAM, operating at a maximum access time of 150ns. This CMOS memory component features a 4-bit data width and supports various refresh modes, including RAS-only, CAS-before-RAS, and hidden refresh cycles. The device is housed in a 20-lead CDSOJ (Ceramic Dual Small Outline J-Lead) package, designed for surface mounting. Operating within a temperature range of 0°C to 70°C, it requires a supply voltage between 4.5V and 5.5V. Applications for this memory technology include industrial control systems and telecommunications infrastructure.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 17.1450 |
| Width | 8.3820 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 150.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-CDSO-J20 |
| 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 | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | SOJ |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 3.4800 |
| 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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