IA186EM_11 Datasheet, PDF (121/146 Pages) InnovASIC, Inc – 8-Bit/16-Bit Microcontrollers

IA186EM/IA188EM
8-Bit/16-Bit Microcontrollers
Table 90. Clock Timing
No. Name
Description
Min Max
CLKIN Requirements
36 tCKIN
x1 Period
25
66
37 tCLCK x1 Low Time
7.5
–
38 tCHCK x1 High Time
7.5
–
39 tCKHL x1 Fall Time
–
5
40 tCKLH x1 Rise time
–
5
CLKOUT Timing
42 tCLCL
clkouta Period
25
–
43 tCLCH clkouta Low Time
tCLCL/2 –
44 tCHCL clkouta High Time
tCLCL/2 –
45 tCH1CH2 clkouta Rise Time
–
3
46 tCL2CL1 clkouta Fall Time
–
3
61 tLOCK Maximum PLL Lock Time
–
0.5
69 tCICOA x1 to clkouta Skew
–
25
70 tCICOB x1 to clkoutb Skew
–
35
a_{In nanoseconds.}
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
0ns
clkouta
srdy
20ns
40ns
60ns
80ns
47
48
Data Sheet
February 25, 2011
100ns
120ns
Figure 22. srdy—Synchronous Ready
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IA211050831-19
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