WF5027 series
Table 1. Version and trimming fuses
(for fundamental oscillator)
ꢀ 5027×1 trimming fuses (untrimmed)
ꢀ 5027×2 trimming fuses (F1 link trimmed)
ꢀ 5027×3 trimming fuses (F2 link trimmed)
*1
Trimming fuse number
Version
F1
–
F2
–
F3
–
F4
F5
5027×1
5027×2
5027×3
5027×4
5027×5
5027×6
5027×7
5027×P
5027×Q
5027×R
5027×S
5027×T
5027×V
5027×W
–
–
–
–
×
–
–
–
×
×
–
–
–
–
×
–
–
–
–
×
×
×
–
–
–
×
–
–
–
–
×
–
–
–
–
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
–
–
–
×
×
–
–
ꢀ 5027×4 trimming fuses (F1 and F2 links trimmed)
×
–
–
×
×
×
×
–
–
×
*1. –: untrimmed, ×: trimmed, F6 to F9 not used
: trimmed device
Table 2. Version and trimming fuses (for 3rd overtone oscillator)
*2
Trimming fuse number
Recommended oscillation
*1
Version
frequency range [MHz]
F1
–
F2
–
F3
–
F4
–
F5
–
F6
F7
×
F8
×
×
–
F9
×
5027×A
5027×B
5027×C
5027×D
5027×E
5027×F
40 to 50
50 to 65
–
–
–
–
–
×
–
–
–
–
×
65 to 85
×
–
×
–
–
×
×
×
×
85 to 110
(110 to 145)
(145 to 180)
×
×
×
×
–
×
TBD
*1. Values in parentheses ( ) are provisional only.
*2. –: untrimmed, ×: trimmed
SEIKO NPC CORPORATION —5