LC87FBG08A

No.A2046-21/30

Consumption Current Characteristics

at Ta = -40

°C to +85°C, VSS1 = 0V

Parameter

Symbol

Pin/

Remarks

Conditions

Specification

VDD[V]

min

typ

max

unit

Normal mode

consumption

current

(Note 10-1)

(Note 10-2)

IDDOP(1)

VDD1

• 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 sopped.

• Frequency variable RC oscillation stopped.

• 1/1 frequency division ratio

1.8 to 5.5

51

163

μA

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 +50°C

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.