SI52131-A11A Datasheet, PDF (16/19 Pages) Silicon Laboratories – No termination resistors required

Si52131-A11A
Pin #
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Table 8. Part Number 24-Pin QFN Descriptions (Continued)
Name
NC
NC
NC
VDD_DIFF
DIFF0
DIFF0
DIFF1
DIFF1
VDD_DIFF
OE_DIFF1¹
SCLK
SDATA
VDD_CORE
XOUT
XIN/CLKIN
VSS_CORE
Type
NC No connect.
Description
NC No connect.
NC No connect.
PWR 3.3 V power supply.
O, DIF 0.7 V, 100 MHz differential clock output.
O, DIF 0.7 V, 100 MHz differential clock output.
O, DIF 0.7 V, 100 MHz differential clock output.
O, DIF 0.7 V, 100 MHz differential clock output.
PWR 3.3 V power supply.
I,PD Active low input pin enables DIFF1 (internal 100 k pull-down).
I I²C compatible SCLOCK.
I/O I²C compatible SDATA.
PWR 3.3 V power supply for core.
O 25.00 MHz Crystal output, Float XOUT if using CLKIN (Clock input).
I 25.00 MHz Crystal input or 3.3 V, 25 MHz clock input.
GND Ground for core.
GND
GND Ground for bottom pad of the IC.
16
Rev 1.0