ST24LC21 データシートの表示（PDF） - STMicroelectronics
部品番号
コンポーネント説明
メーカー
ST24LC21 Datasheet PDF : 18 Pages
| |||
ST24LC21
AC MEASUREMENT CONDITIONS
Input Rise and Fall Times
≤ 50ns
Input Pulse Voltages SDA, SCL
0.2VCC to 0.8VCC
Input Pulse Voltages VCLK
0.4V to 2V
Input and Output Timing Ref. Voltages 0.3VCC to 0.7VCC
Figure 7. AC Testing Input Output Waveforms
0.8VCC
0.2VCC
0.7VCC
0.3VCC
AI00825
Figure 8. 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
10/18
Share Link: 