28C64B-20I/P
EEPROM, 8KX8, 200ns, Parallel, CMOS, PDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology 28C64B-20I-P is a 64-kilobit, non-volatile CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM). It features an 8K x 8 memory organization, providing 8192 words with an 8-bit data width. This parallel interface device offers a maximum access time of 200ns, suitable for applications requiring rapid data retrieval. The 28C64B-20I-P operates asynchronously and supports data polling for status indication. Key features include automatic write capability and a ready/busy pin for write cycle management. The component is housed in a 28-lead PDIP package with through-hole mounting, designed for industrial temperature ranges from -40°C to +85°C. Typical applications span industrial control systems, automotive electronics, and data logging. It operates from a single 5V supply voltage (4.5V to 5.5V) with a standby current of 150µA max and a maximum supply current of 70mA during active operation. The write cycle time is a maximum of 1ms.
Additional Information
Series: 28C64RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 15.2400 |
| Technology | CMOS |
| Length | 36.3220 |
| Access_Time_Max | 200.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| JESD_30_Code | R-PDIP-T28 |
| Memory_Density | 65536.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 8KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 8192.0000000000000000 |
| Number_of_Words_Code | 8k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Ready_Busy | Yes |
| Seated_Height_Max | 5.0800 |
| Standby_Current_Max | 0.000150000000000 |
| 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 | No |
| Write_Cycle_Time_Max_tWC | 1.0000000000000000 |
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