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STMicroelectronics Electronic Components Datasheet

M24C64S-FCU Datasheet

64-Kbit serial I2C bus EEPROM

No Preview Available !

M24C64S-FCU
64-Kbit serial I²C bus EEPROM 4 balls CSP
WLCSP (CU)
Datasheet - production data
Features
Compatible with the 400 kHz I²C protocol
High speed 1MHz transfer rate
Memory array:
– 64 Kbit (8 Kbyte) of EEPROM
– Page size: 32 byte
Supply voltage range:
– 1.7 V to 5.5 V
Operating temperature range
– VCC = 1.7 V to 5.5V over -40°C / +85°C
– VCC = 1.6 V to 5.5V over 0°C / +85°C
Write
– Byte Write within 5 ms
– Page Write within 5 ms
Random and sequential Read modes
Software Write protect
– Upper quarter memory array
– Upper half memory array
– Upper 3/4 memory array
– Whole memory array
ESD protection
– Human Body Model: 4 kV
More than 4 million Write cycles
More than 200-years data retention
Package
– WLCSP, RoHS and Halogen free compliant
(ECOPACK2®)
October 2015
This is information on a product in full production.
DocID025449 Rev 7
1/35
www.st.com


STMicroelectronics Electronic Components Datasheet

M24C64S-FCU Datasheet

64-Kbit serial I2C bus EEPROM

No Preview Available !

Contents
Contents
M24C64S-FCU
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 VSS (ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.1 Operating supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.2 Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.3 Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.4 Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.2 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.3 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.4 Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.5 Device addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1 Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1.1 Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.1.2 Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.3 Write protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1.4 Minimizing Write delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.2.1 Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.2.2 Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2.3 Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2.4 Read the Write Protect register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/35 DocID025449 Rev 7


Part Number M24C64S-FCU
Description 64-Kbit serial I2C bus EEPROM
Maker STMicroelectronics
Total Page 30 Pages
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