M24M01-R_09 Datasheet, PDF (10/37 Pages) STMicroelectronics – 1 Mbit serial I²C bus EEPROM

Signal description
M24M01-R, M24M01-W, M24M01-HR
Figure 5. M24M01-R/M24M01-W – Maximum R_bus value versus bus parasitic
capacitance (C_bus) for an I²C bus at maximum frequency f_C = 400 kHz
100
10
1
10
100
Bus line capacitor (pF)
f_C = 400 kHz, t_LOW = 1.3 µs
Rbus x Cbus time
constant must be less than
500 ns
V_CC
R_bus
1000
I²C bus
master
SCL
SDA
M24xxx
C_bus
ai14796
Figure 6. M24M01-HR – Maximum R_bus value versus bus parasitic capacitance
(C_bus) for an I²C bus at maximum frequency f_C = 1MHz
100
10
1
10
Bus line capacitor (pF)
f_C = 1 MHz, t_LOW = 700 ns
(max possible value)
time constant R_bus x C_bus
must be less than 270 ns
f_C = 1 MHz, t_LOW = 400 ns,
(min possible value)
time constant R_bus x C_bus
must be less than 100 ns
V_CC
R_bus
I²C bus
master
SCL
SDA
M24xxx
C_bus
100
ai14795c
10/37
Doc ID 12943 Rev 7