28C256-20I/D
EEPROM, 32KX8, 200ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
Quality Control: Learn More
Microchip Technology's 28C256 is a 32K x 8 Parallel CMOS EEPROM, identified by part number 28C256-20I-D. This asynchronous memory device offers a 200ns access time, supporting a 5V supply voltage range of 4.5V to 5.5V. Key features include automatic write, data polling, and a toggle bit for status monitoring. The memory organization is 32,768 words of 8 bits each, with a page size of 64 bytes for efficient writing. The component boasts an endurance of 10,000 write cycles and operates within an industrial temperature range of -40°C to +85°C. Packaged in a 28-pin CDIP (Ceramic Dual In-line Package) with through-hole mounting, this device is suitable for applications in industrial control, medical equipment, and data acquisition systems requiring robust non-volatile storage.
Additional Information
Series: 28C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 35.5600 |
| Width | 15.2400 |
| Technology | CMOS |
| Access_Time_Max | 200.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-CDIP-T28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Seated_Height_Max | 4.0640 |
| Standby_Current_Max | 0.001000000000000 |
| Supply_Current_Max | 70.000000000000000 |
| 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 |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 2.0000000000000000 |
Request a Quote
Clients Also Buy
28C256-12B/UA
EEPROM, 32KX8, 120ns, Parallel, CMOS, CQCC32
28C256-12B/XB
EEPROM, 32KX8, 120ns, Parallel, CMOS, CDIP28
28C256-12B/XC
EEPROM, 32KX8, 120ns, Parallel, CMOS, CDIP28