AM90C257-12JC
Static Column DRAM, 256KX1, 120ns, CMOS, PQCC18Manufacturer: Advanced Micro Devices
Categories: DRAMs
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Advanced Micro Devices AM90C257-12JC is a 256K x 1 Static Column DRAM manufactured using CMOS technology. This memory component offers a 120ns maximum access time and operates asynchronously. It features separate I/O, RAS-only refresh with 256 refresh cycles, and 3-state outputs. The device is housed in an 18-terminal PQCC (Plastic Quad Flat Chip Carrier) package, suitable for surface mounting applications. Designed for efficient data access with its static column mode, this DRAM is utilized in various embedded systems and industrial control applications demanding reliable memory solutions. The operating temperature range is 0°C to 70°C, with a nominal supply voltage of 5V.
Additional Information
Series: AM90C257RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Mode | STATIC COLUMN |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | RAS ONLY REFRESH |
| I_O_Type | SEPARATE |
| JESD_30_Code | R-PQCC-J18 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | STATIC COLUMN DRAM |
| Memory_Organization | 256KX1 |
| Memory_Width | 1 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 18 |
| 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 | QCCJ |
| Package_Equivalence_Code | LDCC18,.33X.53 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Refresh_Cycles | 256 |
| Standby_Current_Max | 0.004000000000000 |
| Supply_Current_Max | 60.000000000000000 |
| 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 | QUAD |
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