TM4257FC1-12L
DRAM Module, 1MX1, 120ns, NMOSManufacturer: Texas Instruments
Categories: DRAMs
Quality Control: Learn More
Texas Instruments TM4257FC1-12L is a 1M x 1 DRAM module, offering a total memory density of 1048576 bits. This NMOS technology component operates asynchronously with a maximum access time of 120ns. It features separate I/O, a 22-terminal SIMM package with through-hole mounting, and supports NIBBLE access mode. Advanced refresh capabilities include RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH cycles, with 256 refresh cycles specified. The device operates within a temperature range of 0°C to 70°C and requires a supply voltage between 4.5V and 5.5V, with a nominal value of 5V. Its output characteristics are 3-state. This component is commonly utilized in industrial automation and legacy computing systems.
Additional Information
Series: TM4257FC1RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | NMOS |
| Access_Mode | NIBBLE |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| I_O_Type | SEPARATE |
| JESD_30_Code | R-XSMA-T22 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | DRAM MODULE |
| Memory_Organization | 1MX1 |
| Memory_Width | 1 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 22 |
| Number_of_Words | 1048576.0000000000000000 |
| Number_of_Words_Code | 1M |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | UNSPECIFIED |
| Package_Code | SIMM |
| Package_Equivalence_Code | SIP22,.2 |
| Package_Shape | Rectangular |
| Package_Style | MICROELECTRONIC ASSEMBLY |
| Refresh_Cycles | 256 |
| 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 | Single |
Request a Quote
Clients Also Buy
TM4257FC1-20L
DRAM Module, 1MX1, 200ns, NMOS
TM4257FC1-15L
DRAM Module, 1MX1, 150ns, NMOS
TMS44800L-10DGC
Fast Page DRAM, 512KX8, 100ns, CMOS, PDSO28