X930A Datasheet, PDF (32/38 Pages) Intel Corporation – UNIVERSAL SERIAL BUS MICROCONTROLLER

8x930Ax UNIVERSAL SERIAL BUS (USB) MICROCONTROLLER
5.6 External Clock Drive
Symbol
1/T_OSC
T_CHCX
T_CLCX
T_CLCH
T_CHCL
Table 15. External Clock Drive
Parameter
Min
Oscillator Frequency (F_OSC)
High Time
Low Time
Rise Time
6
0.35 T_OSC
0.35 T_OSC
Fall Time
Max
12
0.65 T_OSC
0.65 T_OSC
10
10
Units
MHz
ns
ns
ns
ns
V_CC – 0.5
0.7 V_CC
0.45 V
0.2 V_CC – 0.1
T_CHCL
T_CLCH
T_CHCX
T_CLCX
T_CLCL
Figure 17. External Clock Drive Waveforms
A4119-01
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