ST7637 datasheet(178/210 Pages) SITRONIX

178 / 210 page

ST7637

Ver 1.6

178/210

2009/03

10.2 DC CHARACTERISTICS

10.2.1. Basic Characteristics

(VSS=0V,Ta = -30 to 85°C)

Parameter

Symbol

Conditions

Related Pins

MIN

TYP

MAX

Unit

Logic Operating voltage

VDDI

*2)VDD,VDD1

1.65

1.8

3.0

Analog Operating voltage

VDDA

*2)VDD2,3,4,5

2.4

2.75

3.3

Driving voltage input

VLCD

V0 – XV0

*3)V0, XV0

18.0

High level input voltage

VIH

*1) *2)

0.7VDD

VDD

Low level input voltage

VIL

*1) *2)

VSS

0.3VDD

High level output voltage

VOH

IOH = -1.0mA

0.8VDD

VDD

Low level output voltage

VOL

IOL = +1.0mA

*2) SI, TE

VSS

0.2VDD

Input leakage current

IIL

VIN = VDD or VSS

*1) *2)

-1.0

+1.0

µA

Driver on resistance (SEG)

RONSEG

Vg = 2.8V, Ta=25℃

S0 to S395

Driver on resistance (COM)

RONCOM

Vg = 2.8V, Ta=25℃

C0 to C131

Frame rate

Ta=25℃, N-line=0x00,

Duty=128,

Voltage follower output

voltage

0.7

Vg/2

VDDA-0.7

Booster2 output voltage

range

1.8

NOTE:

*1) Applies to IF1, IF2, IF3, /CS, /RST, /WR, /RD, A0(SCL) and D15-D2, D1 (A0) ,D0(SI) pins

*2) *3) When the measurements are performed with LCD module, Measurement Points are like below.

*4) Vdda cannot be higher than 3V while Vddi<1.7V.

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