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ST24LC21BM View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
ST24LC21BM 1 Kbit (x8) Dual Mode Serial EEPROM for VESA PLUG & PLAY ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST24LC21BM Datasheet PDF : 22 Pages
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ST24LC21B, ST24LW21, ST24FC21, ST24FC21B, ST24FW21
Table 10. AC Measurement Conditions
Input Rise and Fall Times
50ns
Input Pulse Voltages SDA, SCL
Input Pulse Voltages VCLK
Input and Output Timing Ref.
Voltages
0.2VCC to 0.8VCC
0.4V to 2.4V
0.3VCC to 0.7VCC
Figure 8. AC Testing Input Output Waveforms
0.8VCC
0.2VCC
0.7VCC
0.3VCC
AI00825
Figure 9. I2C Bus Protocol
SCL
SDA
START
CONDITION
SDA
SDA
INPUT CHANGE
STOP
CONDITION
SCL
SDA
1
2
3
MSB
START
CONDITION
SCL
SDA
1
2
3
MSB
7
8
9
ACK
7
8
9
ACK
STOP
CONDITION
AI00792
13/22
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