SMJ44C256-12HKM
Fast Page DRAM, 256KX4, 120ns, CMOS, CDFP20Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C256-12HKM is a Fast Page DRAM with a memory organization of 256K x 4 bits, providing a total density of 1048576 bits. This component utilizes CMOS technology and operates with a maximum access time of 120ns. It supports Fast Page Mode with EDO access for enhanced data transfer rates. Additional features include CAS Before RAS refresh cycles and a 3-state output characteristic. The SMJ44C256-12HKM is housed in a 20-lead Ceramic Flat Pack (CDFP20) package, designed for surface mounting with a terminal pitch of 1.27mm. Its operating temperature range is from -55°C to +125°C. Typical applications for this memory device include military, aerospace, and industrial systems requiring high reliability and performance under demanding environmental conditions. The component operates from a nominal supply voltage of 5V, with a maximum allowable voltage of 5.5V and a minimum of 4.5V.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 17.0150 |
| Width | 9.6550 |
| Technology | CMOS |
| Access_Mode | FAST PAGE WITH EDO |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS REFRESH |
| I_O_Type | COMMON |
| JESD_30_Code | R-CDFP-F20 |
| 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 | Synchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | DFP |
| Package_Equivalence_Code | FL20,.4 |
| Package_Shape | Rectangular |
| Package_Style | FlatPack |
| Refresh_Cycles | 512 |
| Screening_Level_Reference_Standard | MIL-PRF-38535 |
| Seated_Height_Max | 2.4100 |
| Standby_Current_Max | 0.003000000000000 |
| Supply_Current_Max | 60.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | Flat |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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