SI4770-77-A20 Datasheet, PDF (10/54 Pages) Silicon Laboratories – HIGH-PERFORMANCE CONSUMER ELECTRONICS

Si4770/77-A20
Table 6. I²C Control Interface Characteristics
(T_AMB = –40 to 85 °C, V_A = 4.5 to 5.5 V, V_D = 2.7 to 3.6 V, V_IO1 = 1.7 to 3.6 V, V_IO2 = 1.2 to 3.6 V)
Parameter
Symbol Test Condition
Min
Typ
Pins SCL, SDA
SCL Frequency
SCL Low Time
SCL High Time
SCL Input to SDA  Setup
(START)
f_SCL
t_LOW
t_HIGH
t_SU:STA
0
—
1.3
—
0.6
—
0.6
—
SCL Input from SDA  Hold
(START)
t_HD:STA
0.6
—
SDA Input to SCL  Setup
SDA Input from SCL Hold
SDA Output Delay
t_SU:DAT
t_HD:DAT
t_PD:DAT
100
—
0
—
300
—
SCL Input to SDA Setup
(STOP)
STOP to START Time
SDA Output Fall Time
t_SU:STO
t_BUF
t_f:OUT
0.6
—
1.3
—
—
20 + 0.11--^C--_p---^B-_F--
Max
400
—
—
—
—
—
900
900
—
—
250
Unit
kHz
µs
µs
µs
µs
ns
ns
ns
µs
µs
ns
SDA Input, SCL Rise/Fall
Time
t_f:IN, t_r:IN
Capacitive Loading
C_B
Pulse Width Rejected by
t_SP
Input Filter
20 + 0.11--^C--_p---^B-_F--
—
—
—
300
ns
—
50
pF
—
50
ns
10
Rev. 0.9