Doc Title
Linkplay WiFiAudio-A76 Specification
Number
WMB20170117
Version
1.2
Document No.: WMB20170117
Page 18 of 21
Trace Width
4 mils
Serpentine Spacing(center to center)
8.5 mils
Minimum Isolation Spacing to Clock Signals
50 mils
Minimum Isolation Spacing to Low-Speed Signals 20 mils
Minimum Isolation Spacing to other USB Pair
20 mils
Total Length (with package length)
< 8000 mils
Maximum Recommended Via Count
2 (per side)
DM to DP Length Matching(with package length)
Match total length to within ±10 mils
Table 2-2 A76 USB design rule
3.
Electrical Specifications
3.1. Absolute Maximum Ratings
The absolute maximum ratings for the processors are listed in Table 3-1. Do not exceed these parameters or the part
may be damaged permanently. Operation at absolute maximum ratings is not guaranteed.
Table 3-1 Absolute Maximum Ratings
Parameter
Min
Max
Unit
Storage Temperature
-40
135
℃
Operation Temperature
-5
40
℃
5VIN power supplies voltage
-0.5
5.3
V
Input voltage to VDDRTC supplied non-supply pins
-0.5
3.6
V
Maximum ESD stress voltage, Human Body Model; Any
pin to any supply pin, either polarity, or Any pin to all
non-supply pins together, either polarity. Three stresses
maximum.
2000
V
3.2. Recommended operating conditions
The recommended operating conditions are listed in Table 3-2.
Table 3-2 Recommended operating conditions for power supplies
Symbol
Description
Min
Typical
Max
Unit
5VIN
Power supply input
3.7
5.0
5.25
V
VDDRTC
RTC power supply input
3.0
3.3
3.6
V
