CAT28C256P15

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Instructions for CAT28C256P15

1. Power Supply Connection:

   • Connect the VCC pin to a power supply within the range of 2.7V to 5.5V.
   • Ensure the GND pin is connected to ground.

2. Address and Data Lines:

   • Connect the address lines (A0-A17) to your microcontroller or memory controller.
   • Connect the data lines (DQ0-DQ7) to handle 8-bit data input/output.

3. Write Operation:

   • Apply a write enable signal (WE#) to initiate writing data.
   • Ensure that the write time (tW) is at least 5ms when operating between 4.5V and 5.5V.

4. Read Operation:

   • Apply an output enable signal (OE#) to read data from the memory.
   • Ensure that access time (tAA) is no less than 55ns for reliable data retrieval.

5. Timing Considerations:

   • Adhere to the specified timing parameters such as address setup time (tAS), data hold time (tDH), output enable delay time (tOE), and output disable time (tOH).

6. Standby Mode:

   • When not in use, ensure the device enters standby mode to reduce current consumption. The typical standby current (ISB) is around 1μA at 5.5V.

7. Handling Precautions:

   • Avoid exceeding the maximum voltage ratings.
   • Handle with care to prevent electrostatic discharge (ESD) damage.