AZ DISPLAYS, INC.
Complete LCD Solutions
AZ DISPLAYS, INC. 1 6/18/97
ACM2402D 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) 190.0 x 42.0 x max 13.5 for LED backlight version
190.0 x 42.0 x max 9.5 for reflective version
mm
Dot Size (W x H) 1.00 x 1.00 mm
Dot Pitch (W x H) 1.10 x 1.10 mm
Duty 1/16 Controller IC KS0066 LC Fluid Options STN Polarizer Options Reflective, Transflective Backlight Options LED Temperature Range Options Standard -
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
Input voltage VI VSS - VDD V
Supply voltage for logic VDD-VSS 0 5.0 6.5 V
Supply voltage for LCD drive VDD-VO 0 - 6.5 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
ACM2402D 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 VDD-VO Ta = 25°C 4.8 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=2.7Ω - 300 - 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
- A - Anode for LED backlight Power supply for LED backlight
- K - Cathode for LED backlight Power supply for LED backlight