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STMicroelectronics Electronic Components Datasheet

M24M01-W Datasheet

1 Mbit serial I2C bus EEPROM

No Preview Available !

Features
Support I2C bus modes:
– 1 MHz Fast-mode Plus
– 400 kHz Fast mode
– 100 kHz Standard mode
M24M01-HR:
1 MHz, 400 kHz, or 100 kHz I2C clock
frequency
M24M01-R, M24M01-W:
400 kHz, or 100 kHz I2C clock frequency
Single supply voltage:
– 1.8 V to 5.5 V
– 2.5 V to 5.5 V
Hardware write control
Byte and Page Write (up to 256 bytes)
Random and Sequential Read modes
Self-timed programming cycle
Automatic address incrementing
Enhanced ESD/Latch-Up protection
More than 1 million Write cycles
More than 40-year data retention
Packages
– ECOPACK® (RoHS compliant)
M24M01-HR
M24M01-R, M24M01-W
1 Mbit serial I²C bus EEPROM
WLCSP (CS)
SO8 (MN)
150 mils width
SO8 (MW)
208 mils width
Wafer
June 2009
www.DataSheet.in
Doc ID 12943 Rev 7
1/37
www.st.com
1


STMicroelectronics Electronic Components Datasheet

M24M01-W Datasheet

1 Mbit serial I2C bus EEPROM

No Preview Available !

Contents
Contents
M24M01-R, M24M01-W, M24M01-HR
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Chip Enable (E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5 VSS ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6.1 Operating supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6.2 Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6.3 Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6.4 Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Memory addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6 Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7 Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.8 Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.9 ECC (error correction code) and Write cycling . . . . . . . . . . . . . . . . . . . . . 16
3.10 Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 18
3.11 Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.12 Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.13 Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.14 Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.15 Acknowledge in Read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2/37 Doc ID 12943 Rev 7
www.DataSheet.in


Part Number M24M01-W
Description 1 Mbit serial I2C bus EEPROM
Maker STMicroelectronics
Total Page 30 Pages
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