M14256 Datasheet, PDF (10/12 Pages) STMicroelectronics – Memory Card IC 256/128 Kbit Serial I²C Bus EEPROM

M14256, M14128
Figure 9. AC Waveforms
tCHCL
tCLCH
SCL
tDLCL
tDXCX
SDA IN
tCHDX
tCLDX
START
CONDITION
SDA
SDA
INPUT CHANGE
SCL
SDA OUT
tCLQV
DATA VALID
tCLQX
DATA OUTPUT
tCHDH
tDHDL
STOP &
BUS FREE
SCL
SDA IN
tCHDH
STOP
CONDITION
tW
WRITE CYCLE
tCHDX
START
CONDITION
AI00795B
Table 9. AC Measurement Conditions
Input Rise and Fall Times
≤ 50 ns
Input Pulse Voltages
0.2V_CC to 0.8V_CC
Input and Output Timing
Reference Voltages
0.3V_CC to 0.7V_CC
Figure 10. AC Testing Input Output Waveforms
0.8VCC
0.7VCC
0.2VCC
0.3VCC
AI00825
Table 10. Input Parameters¹ (T_A = 25 °C, f = 400 kHz)
Symbol
Parameter
Test Condition
Min.
Max.
Unit
CIN
Input Capacitance (SDA)
8
pF
C_IN
Input Capacitance (other pins)
t_NS
Low Pass Filter Input Time
Constant (SCL & SDA Inputs)
Note: 1. Sampled only, not 100% tested.
6
pF
100
400
ns
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