TOPWAY

LCD Module User Manual

LM240120FFW

www.topwaysz.com

Document Name: LM240120FFW-Manual-Rev0.1.DOC

Page: 5 of 13

2. Absolute Maximum Ratings

Items

Symbol

Min.

Max.

Unit

Condition

Supply Voltage

-0.3

+3.6

V

Input Voltage

-0.3

V

Operating Temperature

-20

+70

℃

No Condensation

Storage Temperature

-30

+80

℃

No Condensation

Cautions:

Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the device. Functional

operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure

to extreme conditions may affect device reliability.

3. Electrical Characteristics

3.1

DC Characteristics

Items

Symbol

MIN.

TYP

.

MAX.

Unit

Condition /

Application Pin

Operating Voltage

2.7

3.0

3.3

V

VDD

Input High Voltage

-

V

Input Low Voltage

0

-

V

/RST, CS, RS, /WR,

/RD,PSB,DB0~DB7

Operating Current

-

0.8

mA

VDD

3.2

LED Backlight Circuit Characteristics

Items

Symbol

MIN.

TYP.

MAX.

Unit

Applicable Pin

Forward Voltage

-

3.3

-

V

BLA

Forward Current

-

74

100

mA

BLA

Cautions:

Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.

VSS

BLA

No. of LED = 5pcs

TOPWAY

LCD Module User Manual

LM240120FFW

www.topwaysz.com

Document Name: LM240120FFW-Manual-Rev0.1.DOC

Page: 6 of 13

3.3

AC Characteristics

3.3.1

8080 Mode System Bus Timing

Parallel Bus Timing Characteristics(for 8080MCU)

Item

Symbol

MIN.

TYP.

MAX.

Unit

System cycle time

tcyc8

160

-

-

ns

Address setup time (RS)

taw8

20

-

-

ns

Address hold time (RS)

tah8

50

-

-

ns

Control LOW pulse width (/WR)

tcclw

55

-

-

ns

Control LOW pulse width (/RD)

tcclr

85

-

-

ns

Control HIGH pulse width (/WR)

tcchw

55

-

-

ns

Control HIGH pulse width (/RD)

tcchr

85

-

-

ns

Data setup time

tds8

50

-

-

ns

Data hold time

tdh8

40

-

-

ns

/RD access time (*2)

tacc8

-

-

80

ns

Output disable time (*2)

tch8

12

-

20

ns

Note:

*1. Input signal rise/fall time should be less than 12ns

*2. CL=100pF