Datasheet

DC and AC parameters M41T81
24/29 Doc ID 7529 Rev 10
Table 13. AC characteristics
Sym Parameter
(1)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
CC
= 2.0 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
Data setup time 100 - ns
t
HD: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 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