19 eleCTRiCal ChaRaCTeRiSTiCS
19-18
Seiko epson Corporation
S1C63003/004/008/016 TeChniCal Manual
(Rev. 1.1)
RFC reference/sensor oscillation frequency - resistance characteristic (DC oscillation mode)
3 V normal type
C
SEN
= 1000 pF, Ta = 25°C, Typ. value
0
1
10
100
1,000
10,000
10,000
1,000
100
10
1
0
R
REF
/R
SEN
[k
Ω
]
f
RFCLK
[kHz]
V
DD
= 1.8 V
V
DD
= 3.6 V
V
DD
= 5.5 V
IC deviation
1
10
100
10,000
1,000
100
10
1
R
REF
/R
SEN
[k
Ω
]
f
RFCLK
[kHz]
V
DD
= 1.8 V
V
DD
= 3.6 V
V
DD
= 5.5 V
IC deviation
1.5 V low-voltage type
C
SEN
= 1000 pF, Ta = 25°C, Typ. value
0
1
10
100
1,000
10,000
10,000
1,000
100
10
1
0
R
REF
/R
SEN
[k
Ω
]
f
RFCLK
[kHz]
V
DD
= 1.1 V
V
DD
= 1.5 V
V
DD
= 1.7 V
IC deviation