fm3808 Ramtron Corporation, fm3808 Datasheet - Page 9

• Manufacturer Part Number: fm3808
• Description: 256kb Bytewide Fram W/ Real-time Clock
• Manufacturer: Ramtron Corporation

Table 2. Calibration Adjustments
Rev. 1.3 (EOL)
Feb. 2006
10
11
12
13
14
15
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Measured Frequency Range
Measured Frequency Range
512.0000
511.9978
511.9933
511.9889
511.9844
511.9800
511.9756
511.9711
511.9667
511.9622
511.9578
511.9533
511.9489
511.9444
511.9400
511.9356
512.0000
512.0022
512.0067
512.0111
512.0156
512.0200
512.0244
512.0289
512.0333
512.0378
512.0422
512.0467
512.0511
512.0556
512.0600
512.0644
Min
Min
511.9978
511.9933
511.9889
511.9844
511.9800
511.9756
511.9711
511.9667
511.9622
511.9578
511.9533
511.9489
511.9444
511.9400
511.9356
511.9311
512.0022
512.0067
512.0111
512.0156
512.0200
512.0244
512.0289
512.0333
512.0378
512.0422
512.0467
512.0511
512.0556
512.0600
512.0644
512.0689
Max
Max
108.51
117.19
125.87
108.51
117.19
125.87
13.03
21.71
30.39
39.07
47.75
56.43
65.11
73.79
82.47
91.15
99.83
13.03
21.71
30.39
39.07
47.75
56.43
65.11
73.79
82.47
91.15
99.83
4.35
4.35
Min
Min
Error Range (ppm)
Error Range (ppm)
0
0
108.50
117.18
125.86
134.54
108.50
117.18
125.86
134.54
13.02
21.70
30.38
39.06
47.74
56.42
65.10
73.78
82.46
91.14
99.82
13.02
21.70
30.38
39.06
47.74
56.42
65.10
73.78
82.46
91.14
99.82
4.34
4.34
Max
Max
Program Calibration D4-D0
Program Calibration D4-D0
00000b
10001b
10010b
10011b
10100b
10101b
10110b
10111b
11000b
11001b
11010b
11011b
11100b
11101b
11110b
11111b
00000b
00001b
00010b
00011b
00100b
00101b
00110b
00111b
01000b
01001b
01010b
01011b
01100b
01101b
01110b
01111b
Page 9 of 27
FM3808