LG122321-DW
www.DataSheet4U.com
122 x 32 dots + white led backlight
ABSOLUTE MAXIMUM RATINGS
Item Supply Voltage(Logic...
LG122321-DW
www.DataSheet4U.com
122 x 32 dots + white led backlight
ABSOLUTE MAXIMUM RATINGS
Item Supply
Voltage(Logic) Supply
Voltage(LCD) Input
Voltage Operating Temp. Storage Temp. Symbol VDD - VSS VDD - VO VI Topr Tstg Min. -0.3 -0.3 -0.3 -20 -20 Max. 7.0 13.5 VDD + 0.3 70 80 Unit V V V °C °C
MECHANICAL DATA
Item Module Size ( W x H x T ) Viewing Area ( W x H ) Dot Pitch ( W x H ) Dot Size ( W x H ) Weight Nominal Dimensions 84.0 x 44.0 x 13.5 60.5 x 18.5 0.44 x 0.49 0.40 x 0.45 Approx. 40 Unit mm mm mm mm g
ELECTRICAL CHARACTERISTICS ( V DD =5V±0.25V )
Item Input High
Voltage Input Low
Voltage Output High
Voltage Output Low
Voltage Supply Current LCD Driving
Voltage Symbol VIH VIL VOH VOL I DD VDD - VO Test Condition ----VDD = 5.0V Ta=25° C Min. 0.7VDD 0 VDD-0.3 0 --Typ. ----0.4 6.5 Max. Unit
PIN CONNECTIONS
Pin 1 2 3 4 Symbol VSS V DD VO A0 Level 0V +5V -H/L L L -H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L +5V 0V Function GND Power supply for logic Operating
voltage for LCD H : Data, L : Instruction code Chip selection for IC1, active "L" Chip selection for IC2, active "L" External clock input ( 2kHz ) /RD for 80 MPU, E for 68 MPU /WR for 80 MPU, R/W for 68 MPU
V V DD 0.25VDD V V V DD 0.3 V mA 0.8 -V
BLOCK DIAGRAM
C0 | C15 S0 --- S60 SEG S0 --- S60 SBN1661G_M02 or Eqv. A0 /RD(E) /WR(R/W) DB0~DB7 RST CL /CS1 /CS2 V SS V DD VO Power Circuit To LSI LEDA LEDK LED Backlight
LCD PANEL 122 x 32 dots
S61 --- S121 SEG
COM
C16 | C31
COM
S0 --- S60 SBN1661G_M02 or Eqv....