ST24FC21 STMICROELECTRONICS [STMicroelectronics], ST24FC21 Datasheet - Page 13

• Manufacturer Part Number: ST24FC21
• Description: 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 10. AC Measurement Conditions
Figure 9. I
Input Rise and Fall Times
Input Pulse Voltages SDA, SCL
Input Pulse Voltages V
Input and Output Timing Ref.
Voltages
SCL
SDA
SCL
SDA
SCL
SDA
2
C Bus Protocol
CONDITION
START
CLK
CONDITION
START
MSB
1
MSB
1
0.2V
0.4V to 2.4V
0.3V
ST24LC21B, ST24LW21, ST24FC21, ST24FC21B, ST24FW21
50ns
CC
CC
2
to 0.8V
to 0.7V
2
INPUT
SDA
CC
CC
3
3
CHANGE
SDA
Figure 8. AC Testing Input Output Waveforms
0.8V CC
0.2V CC
7
7
8
8
ACK
9
ACK
CONDITION
9
STOP
CONDITION
STOP
AI00792
0.7V CC
0.3V CC
AI00825
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