FM4005
Negative Calibration for fast clocks: Calibration will achieve +/- 2.17 PPM after calibration
Measured Frequency Range Error Range (PPM)
Min
Max
Min
0
2.18
Max
2.17
6.51
Program Calibration Register to:
000000
000001
000010
000011
000100
000101
000110
000111
001000
001001
001010
001011
001100
001101
001110
001111
010000
010001
010010
010011
010100
010101
010110
010111
011000
011001
011010
011011
011100
011101
011110
011111
0
1
2
3
4
5
6
7
8
512.0000
512.0011
512.0033
512.0056
512.0078
512.0100
512.0122
512.0144
512.0167
512.0189
512.0211
512.0233
512.0256
512.0278
512.0300
512.0322
512.0344
512.0367
512.0389
512.0411
512.0433
512.0456
512.0478
512.0500
512.0522
512.0544
512.0567
512.0589
512.0611
512.0633
512.0656
512.0678
512.0011
512.0033
512.0056
512.0078
512.0100
512.0122
512.0144
512.0167
512.0189
512.0211
512.0233
512.0256
512.0278
512.0300
512.0322
512.0344
512.0367
512.0389
512.0411
512.0433
512.0456
512.0478
512.0500
512.0522
512.0544
512.0567
512.0589
512.0611
512.0633
512.0656
512.0678
512.0700
6.52
10.85
15.19
19.53
23.87
28.21
32.55
36.89
41.23
45.57
49.91
54.25
58.59
62.93
67.27
71.61
75.95
80.29
84.63
88.97
93.31
97.65
101.99
106.33
110.67
115.01
119.35
123.69
128.03
132.37
136.71
10.86
15.20
19.54
23.88
28.22
32.56
36.90
41.24
45.58
49.92
54.26
58.60
62.94
67.28
71.62
75.96
80.30
84.64
88.98
93.32
97.66
102.00
106.34
110.68
115.02
119.36
123.70
128.04
132.38
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Rev. 2.3
Oct. 2006
Page 9 of 23
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
