Datasheet

DocID012578 Rev 16 55/64
M41T82, M41T83 DC and AC parameters
Figure 29. Bus timing requirement sequence
Table 25. AC characteristics
Sym Parameter
(1)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 2.38 to 5.5 V (except where noted).
Min Typ Max Units
f
SCL
SCL clock frequency 0 400 kHz
t
LOW
Clock low period 1.3 μs
t
HIGH
Clock high period 600 ns
t
R
SDA and SCL rise time 300 ns
t
F
SDA and SCL fall time 300 ns
t
HD:STA
START condition hold time
(after this period the first clock pulse is generated)
600 ns
t
SU:STA
START condition setup time
(only relevant for a repeated start condition)
600 ns
t
SU:DAT
(2)
2. Transmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling
edge of SCL.
Data setup time 100 ns
t
HD:DAT
Data hold time 0 μs
t
SU:STO
STOP condition setup time 600 ns
t
BUF
Time the bus must be free before a new transmission
can start
1.3 μs
AI00589
SDA
P
t
SU:STO
t
SU:STA
t
HD:STA
SR
SCL
t
SU:DAT
t
F
t
HD:DAT
t
R
t
HIGH
t
LOW
t
HD:STA
t
BUF
SP