Details

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BUY MX29F040QC-70G https://www.utsource.net/itm/p/4834806.html
4M-BIT [512KX8] CMOS EQUAL SECTOR FLASH MEMORY

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	Vcc	Operating	2.7	-	3.6	V
Standby Current	Icc	Vcc = 3.0V	1	-	5	μA
Active Current	Icc	Vcc = 3.0V	10	-	30	mA
Access Time	tacc	Vcc = 3.0V	70	-	-	ns
Block Erase Time	tBE		100	-	400	ms
Chip Erase Time	tCE		1000	-	4000	ms
Program Time	tP		1	-	5	μs
Data Retention			10	-	-	years
Operating Temperature		Commercial Grade	0	-	70	°C
Industrial Temperature		Industrial Grade	-40	-	85	°C

Instructions for MX29F040QC-70G

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 2.7V to 3.6V.
   • Use decoupling capacitors close to the power pins to minimize noise.

2. Initialization:

   • Apply the supply voltage (Vcc) before any other signals.
   • Ensure the chip select (CS) is high during power-up to prevent unintended operations.

3. Read Operation:

   • Set the chip select (CS) low.
   • Apply the address to the address lines (A0-A18).
   • The data will be available on the data lines (D0-D7) after the access time (tacc).

4. Write Operation:

   • Write operations include programming and erasing.
   • Before writing, ensure the write enable latch (WEL) is set by sending the Write Enable (WREN) command.
   • After writing, send the Write Disable (WRDI) command to reset the WEL.

5. Program Operation:

   • Set CS low.
   • Send the Write Enable (WREN) command.
   • Send the Program command (0x02).
   • Apply the address to the address lines.
   • Apply the data to the data lines.
   • Wait for the program time (tP) to complete.

6. Erase Operation:

   • Set CS low.
   • Send the Write Enable (WREN) command.
   • For block erase, send the Block Erase command (0x52) followed by the block address.
   • For chip erase, send the Chip Erase command (0x60).
   • Wait for the appropriate erase time (tBE or tCE) to complete.

7. Status Register Read:

   • Set CS low.
   • Send the Read Status Register (RDSR) command (0x05).
   • The status register will be read from the data lines.

8. Temperature Considerations:

   • Ensure the operating temperature is within the specified range for the grade of the device (Commercial or Industrial).

9. Data Retention:

   • The device guarantees data retention for at least 10 years under normal operating conditions.

10. Handling:

    • Handle the device with care to avoid static damage.
    • Follow proper soldering techniques to ensure reliable connections.

(For reference only)