Si4136/Si4126
Table 4. Serial Interface Timing
(VDD = 2.7 to 3.6 V, TA = –40 to 85 °C)
Parameter1
Symbol
Test Condition
Min Typ Max Unit
SCLK Cycle Time
tclk
Figure 1
40
—
—
ns
SCLK Rise Time
tr
Figure 1
—
—
50
ns
SCLK Fall Time
tf
Figure 1
—
—
50
ns
SCLK High Time
th
Figure 1
10
—
—
ns
SCLK Low Time
tl
Figure 1
10
—
—
ns
SDATA Setup Time to SCLK2
tsu
Figure 2
5
—
—
ns
SDATA Hold Time from SCLK2
thold
Figure 2
0
—
—
ns
SEN to SCLKDelay Time2
ten1
Figure 2
10
—
—
ns
SCLK to SENDelay Time2
ten2
Figure 2
12
—
—
ns
SEN to SCLKDelay Time2
ten3
Figure 2
12
—
—
ns
SEN Pulse Width
tw
Figure 2
10
—
—
ns
Notes:
1. All timing is referenced to the 50% level of the waveform, unless otherwise noted.
2. Timing is not referenced to 50% level of the waveform. See Figure 2.
80%
SCLK 50%
20%
tr
tf
th
tl
tclk
Figure 1. SCLK Timing Diagram
6
Rev. 1.41