Datasheet ACM2402B-RLYW-T, ACM2402B-RLYS-T, ACM2402B-RLYH-T, ACM2402B-RLYD-T, ACM2402B-RLGW-T Datasheet (AZDIS)

AZ DISPLAYS, INC.

Complete LCD Solutions

AZ DISPLAYS, INC. 1 6/18/97

ACM2402B SERIES LCD MODULE

1.0 PHYSICAL DATA

Item Nominal Dimensions / Available Options Unit

Number of Characters 24 characters x 2 lines ­Character Format 5 x 7 dots with cursor ­Overall Module Size (W x H x D) 118.0 x 36.0 x max 14.5 for LED backlight version

118.0 x 36.0 x max 9.5 for reflective or EL backlight version

mm

Dot Size (W x H) 0.60 x 0.65 mm
Dot Pitch (W x H) 0.65 x 0.70 mm
Duty 1/16 ­Controller IC KS0066 ­LC Fluid Options STN ­Polarizer Options Reflective, Transflective, Transmissive ­Backlight Options EL, LED ­Temperature Range Options Standard, Wide temp -

2.0 ABSOLUTE MAXIMUM RATINGS

Item Symbol Min Typ Max Unit

Operating temperature (Standard) Top 0 - 50 °C
Storage temperature (Standard) Tst -20 - 70 °C
Operating temperature (Wide temp) Top -20 - +70 °C
Storage temperature (Wide temp) Tst -30 - +80 °C
Input voltage VI VSS - VDD V
Supply voltage for logic VDD-VSS 0 5.0 6.5 V
Supply voltage for LCD drive (Standard) VDD-VO 0 - 6.5 V
Supply voltage for LCD drive (Wide temp) VDD-VO 0 - 13.5 V

3.0 OPTICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V, STN LC Fluid)

Item Symbol Condition Min Typ Max Unit

Viewing angle (horizontal) θ Cr ≥ 2.0 ±30 - ±45 deg
Viewing angle (vertical) φ Cr ≥ 2.0 60 - 80 deg
Contrast Ratio Cr φ=0°, θ=0° 4.5 - 10
Response time (rise) Tr φ=0°, θ=0° - 120 240 ms
Response time (fall) Tf φ=0°, θ=0° - 155 310 ms

AZ DISPLAYS, INC. 2 6/18/97

ACM2402B SERIES LCD MODULE

4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V)

Item Symbol Condition Min Typ Max Unit

Supply voltage for LCD drive (Std temp) VDD-VO Ta = 25°C 4.8 V
Supply voltage for LCD drive (Wide temp) VDD-VO Ta = 25°C 6.1 V
Input voltage VI - 4.75 5.0 5.25 V
Input high voltage VIH - 2.2 - VDD V
Input low voltage VIL - 0 - 0.6 V
Output high voltage VOH IOH=0.2mA 2.4 - - V
Output low voltage VOL IOL=1.2mA - - 0.4 V
Supply current IDD VDD=5.0V - 3.0 mA
Input leakage current ILKG - - - 1.0 uA
LED power supply current ILED VLED=5V, R=5.6Ω - 140 - mA
EL power supply current IEL VEL=110VAC, 400HZ - 5 - mA

5.0 INTERFACE PIN CONNECTIONS

Pin No. Symbol Level Pin Description Function

1 VSS - Ground 0V
2 VDD - Supply voltage for logic +5V
3 VO - LCD contrast adjust By user
4 RS H/L Register select H: Data; L: Instruction code
5 R/W H/L Read / write H: Data read, L: Data write
6 E H, H→L Enable Start signal for data read/write
7 DB0 H/L Data bit 0 8-bit interface
8 DB1 H/L Data bit 1 8-bit interface

9 DB2 H/L Data bit 2 8-bit interface
10 DB3 H/L Data bit 3 8-bit interface
11 DB4 H/L Data bit 4 4-bit or 8-bit interface
12 DB5 H/L Data bit 5 4-bit or 8-bit interface
13 DB6 H/L Data bit 6 4-bit or 8-bit interface
14 DB7 H/L Data bit 7 4-bit or 8-bit interface
15 A - Anode for LED backlight Power supply for LED/EL backlights
16 K - Cathode for LED backlight Power supply for LED/EL backlights

AZ DISPLAYS, INC. 3 6/18/97

ACM2402B SERIES LCD MODULE

6.0 POWER SUPPLY

7.0 BLOCK DIAGRAM

COM1

16COM

SEG1~40

U1

8

COM16

SEG41~80

SEG1-----------SEG120

LCD 24 X 2

LED/EL

1 VSS
3 VO

4 RS

-

6 E

A
K

5 R/W

2 VDD

14 DB714 DB7

7 DB0

U3

40

U2

40

SEG81~120

40

VSS

VO

VDD

VR

+5V

Standard temp range

VR = 10K

Ω

~ 20K

Ω

VSS

VO

VDD

VR

+5V

Wide temp range

-5V

VR = 10K

Ω

~ 20K

Ω

AZ DISPLAYS, INC. 4 6/18/97

ACM2402B SERIES LCD MODULE

8.0 TIMING CHARACTERISTICS (KS0066 Controller)

Item Symbol Test Condition Min. Typ. Max. Unit

Enable cycle time t

CYC

Fig. a, Fig. b 500 - - ns

Enable pulse width PW

EH

Fig. a, Fig. b 220 - - ns

Enable rise/fall time tEr , t

Ef

Fig. a, Fig. b - - 25 ns

RS, R/W set up time t

AS

Fig. a, Fig. b 40 - - ns

RS, R/W hold time t

H1

Fig. a, Fig. b 10 - - ns

Data set up time t

DSW

Fig. a 60 - - ns

Data hold time t

H2

Fig. a 10 - - ns

Data delay time t

DDR

Fig. b - - 120 ns

Data hold time t

H2

Fig. b 20 - - ns

0.6V -

0.6V -

2.2V -

DDR

- 0.6V

- 2.2V

Fig. b Interface timing (data read)

t

RS

R/W

E

DB0-DB7

RS

R/W

E

DB0-DB7

- 2.2V

- 0.6V

- 2.2V

- 0.6V

- 0.6V

- 2.2V

Ef

t

2.2V -

- 0.6V

2.2V -

EH

PW

AS

Er

t

0.6V -

- 2.2V

t

Fig. a Interface timing (data write)

Valid Data

Valid Data

CYC

t

- 0.6V

t

AS

EH

PW

0.6V -

Er

t

- 2.2V

- 0.6V

- 2.2V

CYC

t

2.2V -

0.6V -

H1

tH1tH2t

0.6V -

H1

2.2V -

t

0.6V -

H1

t

t

H2

Ef

t

2.2V -

DSW

t

0.6V -

2.2V -

- 0.6V

9.34.65

4-ø2.5

4-ø4.0

1.3

6.75

11.5

28.4±0.5

17.5

K

A

8.0

LED B.L.

MAX14.5

MAX9.5

W/O B.L.

0.6 0.05

0.650.05

5.95

3.7

1.3

2.6

MAX14.5 (LED)

MAX9.5 (W/O)

mm

NONE

UNIT :

DWG-NO

TITLE

DATENAME

THIRD ANGLE PROJECT

DRAW

DESIGN

CHECK

APPROVE

SCALE :

AZ DISPLAYS, INC.

ACM2402B

118.0±0.5

113.0

94.5

36.0±0.5

31.0

P2.54X6=15.24

12.0

2.54

102.3±0.5

88.3

2.5

7.88

12

2.5

H:DATA READ (FROM LCM TO MPU)

Power

supply

DB7

H/L

H/L

Pin

465

7

9

11

10

8

14

13

12

3

2

14-ø1.0

1.6

1.6

15.1±0.5

0V

-

+5V

L:DATA INPUT

-

1

V

No.

SS

Symbol

-

-

O

V

DD

V

R/W

RS

Level

H/L

H/L

ENABLE SIGNAL

DB0EDB1

DB2

DB3

DB6

DB5

DB4

H,H->L

H/L

H/L

H/L

H/L

H/L

H/L

Function

H:INSTRUCTION CODE INPUT

DATA BUS LINE

L:DATA WRITE (FROM MPU TO LCM)

8.1

14-ø1.8