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STMicroelectronics Electronic Components Datasheet


M24C04

16/8/4/2/1 Kbit Serial IC Bus EEPROM



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M24C04 pdf
M24C16, M24C08
M24C04, M24C02, M24C01
16Kbit, 8Kbit, 4Kbit, 2Kbit and 1Kbit Serial I²C bus EEPROM
Feature summary
Two-wire I²C serial interface
Supports 400kHz protocol
Single supply voltage:
– 2.5 to 5.5V for M24Cxx-W
– 1.8 to 5.5V for M24Cxx-R
Write Control input
Byte and Page Write (up to 16 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)
Table 1. Product list
Reference
M24C16
M24C08
M24C04
M24C02
M24C01
Part Number
M24C16-W
M24C16-R
M24C08-W
M24C08-R
M24C04-W
M24C04-R
M24C02-W
M24C02-R
M24C01-W
M24C01-R
PDIP8 (BN)
SO8 (MN)
150 mil width
TSSOP8 (DW)
169 mil width
TSSOP8 (DS)
3x3mm² body size
UFDFPN8 (MB)
2x3mm² (MLP)
September 2006
Rev 8
1/33
www.st.com
1



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M24C04 pdf
Contents
Contents
M24C16, M24C08, M24C04, M24C02, M24C01
1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Chip Enable (E0, E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.1 Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.1 Operating supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.2 Power-up and device Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.3 Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Acknowledge Bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5 Memory addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.6 Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.1 Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.2 Page Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6.3 Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . 15
3.7 Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7.1 Random Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7.2 Current Address Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.7.3 Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.7.4 Acknowledge in Read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4 Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2/33



Part Number M24C04
Description 16/8/4/2/1 Kbit Serial IC Bus EEPROM
Maker STMicroelectronics - STMicroelectronics
Total Page 30 Pages
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