27HC256-55E/K
32KX8, 55ns, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EPROMs
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The Microchip Technology 27HC256 is a 262,144 bit (32K x 8) CMOS Electrically Programmable Read-Only Memory (EPROM). This device offers a maximum access time of 55ns and operates with a common I/O. It utilizes a parallel interface and features 3-state outputs. The 27HC256 series component is housed in a 32-lead Ceramic Chip Carrier (CQCC32) package, designed for surface mounting. It operates across a temperature range of -40°C to +125°C and requires a supply voltage of 4.5V to 5.5V. Applications for this memory component include industrial control, automotive systems, and legacy system upgrades. The programming voltage is specified at 13V.
Additional Information
Series: 27HC256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 11.4300 |
| Technology | CMOS |
| Length | 13.9700 |
| Access_Time_Max | 55.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 32 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Parallel_Serial | Parallel |
| Programming_Voltage | 13 |
| Seated_Height_Max | 3.0480 |
| Standby_Current_Max | 0.040000000000000 |
| Supply_Current_Max | 146.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
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