Si2403
Table 5. Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
DC Supply Voltage
VD
4.1
V
Input Current, Si2403 Digital Input Pins
IIN
±10
μA
Digital Input Voltage
VIND
–0.3 to 5.3
V
CLKIN/XTALI Input Voltage
VXIND
–0.3 to (VD + 0.3)
V
Operating Temperature Range
TA
–10 to 100
°C
Storage Temperature Range
TSTG
–40 to 150
°C
Note: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional operation
should be restricted to the conditions as specified in the operational sections of this data sheet. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Table 6. Switching Characteristics
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C for K-Grade)
Parameter
Symbol
Min
Typ
Max
Unit
CLKOUT Output Clock Frequency
2.4576
—
39.3216
MHz
Baud Rate Accuracy
tBD
–1
—
1
%
CTS or RTS ↑ High to Start Bit↓
tRTS
10
—
—
ns
RESET ↓ to RESET ↑
tRS
5.0
—
—
ms
RESET ↑ to 1st AT Command
tAT
300
—
—
ms
Address Setup
tAS
15
—
—
ns
Address Hold
tAH
0
—
—
ns
WR Low Pulse Width
tWL
50
—
—
ns
Write Data Setup Time
tWDSU
20
—
—
ns
Write Cycle Time
tWC
120
—
—
ns
Chip Select Setup
tCSS
10
—
—
ns
Chip Select Hold
tCSH
0
—
—
ns
RD Low Pulse Width
tRL
50
—
—
ns
RD Low to Data Driven Time
tRLDD
—
—
20
ns
Data Hold
tDH
10
—
—
ns
RD High to Hi-Z Time
tDZ
—
—
30
ns
Read Cycle Time
tRC
120
—
—
ns
Note: All timing is referenced to the 50% level of the waveform. Input test levels are VIH = VD – 0.4 V, VIL = 0.4 V
8
Rev. 1.2