Details

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BUY 93LC66B/SN https://www.utsource.net/itm/p/11552606.html
IC EEPROM 4K SPI 2MHZ 8SOIC

Parameter	Description	Value	Unit
Device Type	Non-Volatile Serial EEPROM	-	-
Organization	256 x 8, 128 x 16, 64 x 32	-	-
Operating Voltage Range	VCC Operating Voltage	2.5 to 5.5	V
Standby Current	Maximum Standby Current	1	μA
Active Current	Typical Active Current (Read/Write)	1.0 / 3.0	mA
Data Retention	Minimum Data Retention Time	100	years
Write Cycles	Endurance (Write/Erase Cycles)	1,000,000	cycles
Operating Temperature Range	Industrial Temperature Range	-40 to +85	°C
Package	Package Type	SOIC-8, TSSOP-8	-
Interface	Serial Interface	SPI (Serial Peripheral Interface)	-
Clock Frequency	Maximum Clock Frequency	10	MHz
Write Time	Maximum Write Time	5	ms
Data Output Setup Time	Data Output Setup Time (tSU:DO)	0	ns
Data Output Hold Time	Data Output Hold Time (tH:DO)	0	ns
Write Enable Low Time	Write Enable Low Time (tWEL)	0	ns
Write Disable Low Time	Write Disable Low Time (tWD)	0	ns
Chip Select Low Time	Chip Select Low Time (tCSL)	0	ns
Chip Select High Time	Chip Select High Time (tCSH)	0	ns
Address Latch Time	Address Latch Time (tAL)	0	ns
Data Input Setup Time	Data Input Setup Time (tSU:DI)	0	ns
Data Input Hold Time	Data Input Hold Time (tH:DI)	0	ns

Instructions for Use

1. Power Supply:

   • Connect the VCC pin to a power supply within the operating voltage range (2.5V to 5.5V).
   • Connect the GND pin to ground.

2. Serial Interface:

   • Connect the SCK (Serial Clock) pin to the clock signal from the master device.
   • Connect the SI (Serial In) pin to the data input from the master device.
   • Connect the SO (Serial Out) pin to the data output to the master device.
   • Connect the CS (Chip Select) pin to the chip select signal from the master device.

3. Initialization:

   • Ensure the CS pin is high to keep the device in standby mode.
   • To activate the device, pull the CS pin low.

4. Reading Data:

   • Pull CS low.
   • Send the read command (0x03) followed by the address of the data to be read.
   • The device will output the data on the SO pin.

5. Writing Data:

   • Pull CS low.
   • Send the write enable command (0x06).
   • Send the write command (0x02) followed by the address and data to be written.
   • Wait for the write cycle to complete (maximum 5ms).

6. Write Protect:

   • To prevent accidental writes, keep the WP (Write Protect) pin high.
   • To allow writes, pull the WP pin low.

7. Power Down:

   • When not in use, ensure the CS pin is high to minimize power consumption.

8. Handling:

   • Handle the device with care to avoid static discharge.
   • Follow standard ESD (Electrostatic Discharge) precautions during handling and installation.

For detailed timing diagrams and additional information, refer to the datasheet provided by the manufacturer.

(For reference only)