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BUY M27C2001-15F1 https://www.utsource.net/itm/p/652360.html
2 MBIT (256KB X8) UV EPROM AND OTP ROM

Below is the parameter table and instructions for the M27C2001-15F1 EEPROM.

M27C2001-15F1 Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	Vcc	4.5	5.0	5.5	V
Standby Current	ISB	0.1	0.2	1.0	μA
Active Current	IOP	1.0	2.0	3.0	mA
Output High Voltage	VOH	2.4	-	Vcc-0.4	V
Output Low Voltage	VOL	0.0	-	0.4	V
Access Time	tAA	0	70	90	ns
Write Cycle Time	tWC	10	-	20	ms
Data Retention	-	10	-	20	years
Operating Temperature Range	Toper	-40	-	85	°C
Storage Temperature Range	Tstg	-65	-	150	°C

Instructions for M27C2001-15F1

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V.
   • Connect the Vcc pin to the positive power supply and GND pin to ground.

2. Pin Configuration:

   • Vcc: Power supply
   • GND: Ground
   • A0-A11: Address lines (12 bits)
   • D0-D7: Data lines (8 bits)
   • OE: Output Enable (active low)
   • CE: Chip Enable (active low)
   • WE: Write Enable (active low)

3. Read Operation:

   • Set CE and OE low to enable the chip and output.
   • Apply the desired address to the A0-A11 pins.
   • The data at the specified address will appear on the D0-D7 pins after the access time (tAA).

4. Write Operation:

   • Set CE low to enable the chip.
   • Apply the desired address to the A0-A11 pins.
   • Apply the data to be written to the D0-D7 pins.
   • Set WE low to start the write cycle.
   • Wait for the write cycle time (tWC) before performing any other operations.

5. Standby Mode:

   • Set CE high to put the chip into standby mode, reducing power consumption.

6. Temperature Considerations:

   • Ensure the operating temperature is within -40°C to 85°C.
   • Store the device in a temperature range of -65°C to 150°C.

7. Data Retention:

   • The data retention period is typically 10 to 20 years under normal operating conditions.

8. Handling Precautions:

   • Handle the device with care to avoid static discharge, which can damage the chip.
   • Use proper anti-static measures when handling and storing the device.

By following these parameters and instructions, you can ensure reliable operation of the M27C2001-15F1 EEPROM.

(For reference only)