LC75844 datasheet(3/14 Pages) SANYO

3 / 14 page

No. 6235-3/14

LC75844M

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Hysteresis

CE, CL, DI, INH

0.1 VDD

Input high level current

IIH

CE, CL, DI, INH; VI = 6.0 V

5.0

µA

Input low level current

IIL

CE, CL, DI, INH; VI = 0 V

–5.0

µA

VOH 1

S1 to S22; IO = –20 µA

VLCD – 0.9

Output high level voltage

VOH 2

COM1 to COM4; IO = –100 µA

VLCD – 0.9

VOH 3

P1 to P4; IO = –1 mA

VLCD – 0.9

VOL 1

S1 to S22; IO = 20 µA

0.9

Output low level voltage

VOL 2

COM1 to COM4; IO = 100 µA

0.9

VOL 3

P1 to P4; IO = 1 mA

0.9

VMID 1

COM1 to COM4; 1/2 bias,

1/2 VLCD – 0.9

1/2 VLCD + 0.9

IO = ±100 µA

VMID 2

S1 to S22; 1/3 bias,

2/3 VLCD – 0.9

2/3 VLCD + 0.9

IO = ±20 µA

Output middle level voltage*1

VMID 3

S1 to S22; 1/3 bias,

1/3 VLCD – 0.9

1/3 VLCD + 0.9

IO = ±20 µA

VMID 4

COM1 to COM4; 1/3 bias,

2/3 VLCD – 0.9

2/3 VLCD + 0.9

IO = ±100 µA

VMID 5

COM1 to COM4; 1/3 bias,

1/3 VLCD – 0.9

1/3 VLCD + 0.9

IO = ±100 µA

Oscillator frequency

fOSC

OSC; ROSC = 43 kΩ, COSC = 680 pF

kHz

IDD 1VDD; power saving mode

µA

IDD 2VDD; VDD = 6.0 V, output open, fosc = 50 k Hz

230

460

µA

ILCD 1VLCD; power saving mode

µA

Current drain

ILCD 2

VLCD; VLCD = 6.0 V, output open

100

200

µA

1/2 bias, fosc = 50 k Hz

ILCD 3

VLCD; VLCD = 6.0 V, output open

120

µA

1/3 bias, fosc = 50 k Hz

Electrical Characteristics for the Allowable Operating Ranges

Note: *1 Excluding the bias voltage generation divider resistors built in the VLCD1 and VLCD2. (See Figure 1.)

VLCD1

VLCD2

VLCD

VSS

A06588

To the common segments driver

Except these resistors

Figure 1

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