AZ DISPLAYS, INC. Complete LCD Solutions 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 Viewing angle (horizontal) Symbol Condition Min Typ Max Unit θ Cr ≥ 2.0 ±30 - ±45 deg deg Viewing angle (vertical) φ Cr ≥ 2.0 60 - 80 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. 1 6/18/97 ACM2402D SERIES LCD MODULE 4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V) Item Symbol Condition VDD-VO Ta = 25°C 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 Supply voltage for LCD drive Min Typ Max Unit 4.8 V 5.0 INTERFACE PIN CONNECTIONS Pin No. Symbol Level 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 AZ DISPLAYS, INC. Pin Description 2 Function 6/18/97 ACM2402D SERIES LCD MODULE 6.0 POWER SUPPLY VDD VO +5V VR VSS VR = 10KΩ ~ 20KΩ 7.0 BLOCK DIAGRAM 1 VSS 2 VDD 3 VO 4 RS 5 R/W 6E 7 DB0 14 DB7 A K AZ DISPLAYS, INC. U2 SEG1~40 U1 8 40 COM1 SEG41~80 40 U3 SEG81~120 40 SEG1-----------SEG120 LCD 24 X 2 COM 16 COM16 LED B/L 3 6/18/97 ACM2402D SERIES LCD MODULE 8.0 TIMING CHARACTERISTICS (KS0066 Controller) Item Symbol Test Condition Min. Typ. Max. Unit Enable cycle time tCYC Fig. a, Fig. b 500 - - ns Enable pulse width PWEH Fig. a, Fig. b 220 - - ns Enable rise/fall time tEr , tEf Fig. a, Fig. b - - 25 ns RS, R/W set up time tAS Fig. a, Fig. b 40 - - ns RS, R/W hold time tH1 Fig. a, Fig. b 10 - - ns tDSW Fig. a 60 - - ns Data hold time tH2 Fig. a 10 - - ns Data delay time tDDR Fig. b - - 120 ns Data hold time tH2 Fig. b 20 - - ns Data set up time 2.2V - - 2.2V RS - 0.6V 0.6V - t AS R/W t H1 - 0.6V - 0.6V PW EH t H1 2.2V - - 2.2V E t Ef t DSW 0.6V - 0.6V - - 0.6V t Er t H2 2.2V - - 2.2V DB0-DB7 - 0.6V Valid Data 0.6V - t CYC Fig. a Interface timing (data write) 2.2V - - 2.2V RS - 0.6V 0.6V - t AS t H1 2.2V - - 2.2V R/W t H1 PW EH - 2.2V E 0.6V - t Er t Ef 2.2V - 0.6V t DDR - 2.2V DB0-DB7 0.6V - t H2 - 0.6V 2.2V - Valid Data 0.6V - t CYC Fig. b Interface timing (data read) AZ DISPLAYS, INC. 4 6/18/97 42.0±0.5 36.0±0.3 15.24 2.5 2 1 14 13 2.54 14-ø1.0 5.4 1.0 1.0 0.1 190.0±0.5 184.0±0.3 159.3±0.3 1.5 8.7 1.0 0.1 SCALE : THIRD ANGLE PROJECT DWG-NO NONE mm ACM2402D AZ DISPLAYS, INC. TITLE DRAW DATE UNIT : NAME 1.6 4.5 9.5(max) DESIGN CHECK APPROVE 4-ø3.5 35.0±0.3