CY8C38_11 Datasheet, PDF (113/129 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC®)

PSoC^® 3: CY8C38 Family
Data Sheet
Table 11-81. IMO AC Specifications
Parameter
Description
Conditions
Min
Typ
Max
IMO frequency stability (with factory trim)
62.6 MHz
–7
–
7
48 MHz
–5
–
5
F_IMO
24 MHz – Non USB mode
24 MHz – USB mode
–4
–
4
With oscillator locking to USB bus –0.25
–
0.25
12 MHz
–3
–
3
6 MHz
–2
–
2
3 MHz
Startup time^[54]
Jitter (peak to peak)^[54]
–1
–
1
From enable (during normal system –
–
12
operation) or wakeup from
low-power state
Jp–p
F = 24 MHz
–
0.9
–
F = 3 MHz
Jitter (long term)^[54]
–
1.6
–
Jperiod
F = 24 MHz
–
0.9
–
F = 3 MHz
–
12
–
Figure 11-74. IMO Frequency Variation vs. Temperature
Figure 11-75. IMO Frequency Variation vs. V_CC
Units
%
%
%
%
%
%
%
µs
ns
ns
ns
ns
Note
54. Based on device characterization (Not production tested).
Document Number: 001-11729 Rev. *R
Page 113 of 129
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