LC87FBH08A
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23
Consumption Current Characteristics at Ta = 40C to +85C, V
SS
1 = V
SS
2 = 0V
Parameter Symbol
Pin/
Remarks
Conditions
Specification
V
DD
[V] min typ max unit
Normal mode
consumption
current
(Note 10-1)
(Note 10-2)
IDDOP(1) V
DD
1 FmCF=12MHz ceramic oscillation mode
System clock set to 12MHz side
Internal low speed and medium speed RC
oscillation stopped.
Frequency variable RC oscillation stopped.
1/1 frequency division ratio
2.7 to 5.5 5.1 9.3
mA
2.7 to 3.6 3.1 5.6
IDDOP(2) CF1=24MHz external clock
System clock set to CF1 side
Internal low speed and medium speed RC
oscillation stopped.
Frequency variable RC oscillation stopped.
1/2 frequency division ratio
3.0 to 5.5 5.2 10
3.0 to 3.6 3.3 6.2
IDDOP(3) FmCF=10MHz ceramic oscillation mode
System clock set to 10MHz side
Internal low speed and medium speed RC
oscillation stopped.
Frequency variable RC oscillation stopped.
1/1 frequency division ratio
2.2 to 5.5 4.4 8.4
2.2 to 3.6 2.8 5.5
IDDOP(4) FmCF=4MHz ceramic oscillation mode
System clock set to 4MHz side
Internal low speed and medium speed RC
oscillation stopped.
Frequency variable RC oscillation stopped.
1/1 frequency division ratio
1.8 to 5.5 2.3 5.3
1.8 to 3.6 1.6 3.0
IDDOP(5) CF oscillation low amplifier size selected.
(CFLAMP=1)
FmCF=4MHz ceramic oscillation mode
System clock set to 4MHz side
Internal low speed and medium speed RC
oscillation stopped.
Frequency variable RC oscillation stopped.
1/4 frequency division ratio
2.2 to 5.5 0.97 2.4
2.2 to 3.6 0.55 1.2
IDDOP(6) FsX’tal=32.768kHz crystal oscillation mode
Internal low speed RC oscillation stopped.
System clock set to internal medium speed
RC oscillation.
Frequency variable RC oscillation stopped.
1/2 frequency division ratio
1.8 to 5.5 0.44 1.5
1.8 to 3.6 0.28 0.80
IDDOP(7) FsX’tal=32.768kHz crystal oscillation mode
Internal low speed and medium speed RC
oscillation stopped.
System clock set to 8MHz with
frequency variable RC oscillation
1/1 frequency division ratio
1.8 to 5.5 3.4 5.5
1.8 to 3.6 2.4 4.6
IDDOP(8)
External FsX’tal and FmCF oscillation stopped.
System clock set to internal low speed RC
oscillation.
Internal medium speed RC oscillation stopped.
Frequency variable RC oscillation stopped.
1/1 frequency division ratio
1.8 to 5.5 51 163
A
1.8 to 3.6 38 103
IDDOP(9)
External FsX’tal and FmCF oscillation stopped.
System clock set to internal low speed RC
oscillation.
Internal medium speed RC oscillation stopped.
Frequency variable RC oscillation stopped.
1/1 frequency division ratio
Ta=-10 to +50C
5.0 51 136
3.3 38 99
2.5 36 94
Note10-1: Values of the consumption current do not include current that flows into the output transistors and internal
pull-up resistors.
Note10-2: The consumption current values do not include operational current of LVD function if not specified.
Continued on next page.