AMLOGIC S905D3 - Recommended Oscillator Electrical Characteristics

0.6 (2019–07–25)
Amlogic Proprietary and Confidential
Copyright © Amlogic. All rights reserved.
44
Symbol Parameter Min. Typ. Max. Unit
67 80 93
50 60 70
42 48 56
34 40 46
28 34 40
DC Specifications – LPDDR3 mode
Symbol Parameter Min. Typ. Max. Unit
VIH DC input voltage
high
Vref + 0.100 VDDQ V
VIL DC input voltage
low
VSSQ Vref-0.100 V
VOH DC output logic
high
0.9*VDDQ V
VOL DC output logic
low
0.1*VDDQ V
RTT Input termination
resistance to
VDDQ
100
200
120
240
140
280
ohm
DC Specifications – LPDDR4 mode
Symbol Parameter Min. Typ. Max. Unit
VOH DC output logic
high
0.9*VDDQ - - V
VOL DC output logic
low
- - 0.1*VDDQ V
RTT Input termination
resistance to
VDDQ
216 240 264 ohm
108 120 132
72 80 88
54 60 66
43.2 48 52.8
36 40 44
5.6 Recommended Oscillator Electrical Characteristics
The SoC requires the 24MHz oscillator for generating the main clock source.
Symbol Description Min. Typ. Max. Unit Notes
F
o
Nominal
Frequency
24 MHz
Δf/f
o
Frequency
Tolerance
-30 30 ppm At 25 ℃
-50 50 ppm At -20~85 ℃
S905D3 Quick Reference Manual 5 Operating Conditions
Preliminary Version
Confidential for Wesion!