Details

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BUY AT29C040-12TC https://www.utsource.net/itm/p/12609188.html

Parameter	Description	Value
Device Type	Flash Memory	AT29C040-12TC
Manufacturer	ATMEL
Package Type	40-Pin Plastic Dual In-Line Package (PDIP)
Operating Voltage (VCC)	Supply Voltage	5.0V
Memory Capacity	Total Memory Size	512 K x 8 bits
Programming Voltage	Voltage required for programming	12.0V
Data Retention	Data retention time	10 years
Write Cycle Time	Time required to complete a write cycle	6 seconds
Endurance Cycles	Number of guaranteed program/erase cycles	10,000
Operating Temperature	Range of temperature where device can operate	-40掳C to +85掳C
Standby Current	Current consumption in standby mode	10 渭A
Active Current	Current consumption during active operation	30 mA

Instructions:

1. Power Supply: Ensure the supply voltage (VCC) is set to 5.0V.
2. Programming: Apply 12.0V to the VPP pin for programming operations. Programming a byte requires approximately 6 seconds per cycle.
3. Erase Operation: To erase the chip, apply 12.0V to the VPP pin and execute the appropriate command sequence as specified in the datasheet.
4. Temperature Considerations: The device operates reliably between -40掳C and +85掳C. Avoid exposing the device to temperatures outside this range.
5. Current Management: During standby, the device consumes up to 10 渭A, while active current can reach up to 30 mA.
6. Handling Precautions: This device is sensitive to electrostatic discharge (ESD). Handle with care using ESD-safe practices.

For detailed command sequences and timing diagrams, refer to the official AT29C040-12TC datasheet provided by ATMEL.

(For reference only)