LC8740C8A/B2A/96A

No.A0122-13/25

Allowable Operating Conditions at Ta = -10

°C to +70°C, VSS1 = VSS2 = 0V

Specification

Parameter

Symbol

Pin/Remarks

Conditions

VDD[V]

min

typ

max

unit

Operating

supply voltage

VDD(1)

VDD1=VDD2

0.211

µs≤tCYC≤200µs

4.5

5.5

Memory

sustaining

supply voltage

VHD

VDD1=VDD2

RAM and register contents

sustained in HOLD mode

2.0

5.5

VIH(1)

Ports 0, 1, 2, 3

P71 to P73, 8, C

P70 port input/

interrupt side

HS, VS

4.5 to 5.5

0.3VDD

+0.7

VDD

VIH(2)

Port 70 watchdog

timer side

4.5 to 5.5

0.9VDD

VDD

High level

input voltage

VIH(3)

XT1, RES

4.5 to 5.5

0.75VDD

VDD

VIL(1)

Ports 0, 1, 2, 3

P71 to P73, 8, C

P70 port input/

interrupt side

HS, VS

4.5 to 5.5

VSS

0.1VDD

+0.4

VIL(2)

Port 70 watchdog

timer side

4.5 to 5.5

VSS

0.15VDD

+0.4

Low level

input voltage

VIL(3)

XT1, RES

4.5 to 5.5

VSS

0.25VDD

V

CVIN input

amplitude

VCVIN

CVIN

5.0

1Vp-p

-3dB

1Vp-p

1Vp-p

+3dB

Vp-p

tcyc(1)

(Note 2-1)

All functions

4.5 to 5.5

0.211

0.212

0.213

µs

Instruction

cycle time

tcyc(2)

(Note 2-1)

Except for OSD and data slicer

functions

4.5 to 5.5

0.211

200

µs

FEXOS(1)

SCON1=0

14.28

15.44

External OSD

clock

frequency

FEXOS(2)

P26/OSDCKI

DUTY50

±5%

of external

OSD clock (Note 2-3)

SCON1=1

4.5 to 5.5

28.56

30.88

MHz

FmVCO1

Internal VCO1 oscillator

4.5 to 5.5

14.08

14.15

14.22

CKSEL0=0

14.28

14.75

15.44

FmVCO2

Internal VCO2

Oscillator (Note 2-3)

CKSEL0=1

4.5 to 5.5

28.56

29.5

30.88

FmRC

Internal RC oscillator

4.5 to 5.5

0.3

1.0

2.0

MHz

Oscillation

frequency

range

(Note 2-2)

FsX'tal

XT1, XT2

32.768kHz crystal oscillation mode

See Fig. 1.

4.5 to 5.5

32.768

kHz

Note 2-1: Relationship between tCYC and oscillation frequency is 3/FmVCO1 at a division ratio of 1/1 and 6/FmVCO1

at a division ratio of 1/2.

Note 2-2: See Table 1 for the oscillation constants

Note 2-3: SCAN1 is Hsync frequency switch bit. CKSEL0 is OSD clock frequency switch bit.

(Refer to the LC874000 user's manual for details. )