Datasheet

DocID13236 Rev 9 17/28
STVM100 DC and AC parameters
27
Figure 9. Bus timing requirements sequence
Table 8. AC characteristics
Sym Description Test Condition
(1)
1. Valid for ambient operating temperature: T
A
= –40 to 85 °C; V
DD
= 3.0 V to 3.6 V; AV
DD
= 10 V;
OUT = 1/2AV
DD
; R
SET
= 24.9 kΩ (except where noted, see Figure 9).
Min Typ Max Unit
f
SCL
SCL clock frequency 0 400 kHz
t
LOW
Clock low period 1.3 µs
t
HIGH
Clock high period 0.6 µs
t
SU:DAT
Data setup time 100 ns
t
HD:DAT
Data hold time 0 900 ns
t
R
SDA and SCL rise time
Dependent on load (see
Table 6 on page 15)
20 +
0.1 C
b
300 ns
t
F
SDA and SCL fall time 300 ns
t
BUF
Bus free time before
new transmission can
start
1.3 µs
t
DSP
I
2
C spike rejection filter
pulse width
050ns
t
SU:STA
Repeated start
condition setup time
0.6 µs
t
HD:STA
Repeated start
condition hold time
0.6 µs
t
SU:STO
Stop condition setup
time
0.6 µs
t
W
WRITE cycle time 100 ms
AI00589
SDA
P
tSU:STOtSU:STA
tHD:STA
SR
SCL
tSU:DAT
tF
tHD:DAT
tR
tHIGH
tLOW
tHD:STAtBUF
SP