Details

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BUY M27C256B-20C1 https://www.utsource.net/itm/p/652550.html
256 Kbit (32Kb x 8) UV EPROM and OTP EPROM

Parameter	Description	Value
Device Type	EEPROM Memory	M27C256B-20C1
Organization	32K x 8
Vcc Supply Voltage	Operating Voltage Range (V)	4.5V to 5.5V
Access Time	Access Time (ns)	20 ns
Temperature Range	Industrial Temperature Range (掳C)	-40掳C to +85掳C
Package Type	Package Type	DIP, PLCC
Pin Count	Number of Pins	28
Programming Voltage	Programming Voltage (Vpp)	12.5V 卤 0.5V
Standby Current	Standby Current (渭A)	5 渭A max
Active Current	Active Current (mA)	30 mA max

Instructions for Use:

1. Power Supply Requirements:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.5V to 5.5V.
   • The programming voltage (Vpp) must be set to 12.5V 卤 0.5V during write operations.

2. Operating Conditions:

   • Operate the device within the temperature range of -40掳C to +85掳C for reliable performance.
   • Maintain the access time at or below 20 ns for optimal read/write speeds.

3. Handling Precautions:

   • Handle with care as static electricity can damage the component.
   • Avoid exceeding the maximum ratings for voltages and currents to prevent damage.

4. Installation:

   • Insert the device into a compatible socket or solder it onto the PCB according to the pin configuration.
   • Ensure proper orientation to match the pin-out diagram provided in the datasheet.

5. Data Retention:

   • Data retention is guaranteed for 10 years under normal operating conditions.

6. Programming:

   • Follow the specific programming algorithms provided in the datasheet for writing data to ensure integrity and reliability.

For detailed specifications and advanced usage, refer to the manufacturer's datasheet.

(For reference only)