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LC1623
16 characters x 2 lines
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 -30 Max. 7.0 13.0 VDD + 0.3 70 80 Unit V V V C
MECHANICAL DATA
Item Module Size ( W x H x T ) Viewing Area ( W x H ) Character Size ( W x H ) Dot Size ( W x H ) Weight (Reflective/LED) Nominal Dimensions 84.0 x 44.0 x 9.5/14.0 64.6 x 16.0 2.95 x 5.55 0.55 x 0.65 Approx. 28 / 38 Unit mm mm mm mm g
C
ELECTRICAL CHARACTERISTICS ( V DD =5Va0.25V )
Item Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage Symbol VIH VIL VOH VOL IDD VDD - VO Test Condition --I OH = - 0.2mA IOL = 1.2mA VDD = 5.0V C Ta=25 Min. 2.2 - 0.3 2.4 0 --Typ. ----1.5 4.6 Max. Unit V DD 0.6 V DD 0.4 3.0 -V V V V mA V
PIN CONNECTIONS
Pin 1 2 3 4 5 6 7 8 9 10 Symbol VSS V DD VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 LEDA LEDK Level 0V +5V -H/L H/L _ H,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 H : Read L : Write Enable signal In 8-bit bus mode, used as low order bidirectional data bus. In 4-bit bus mode, open these pins. In 8-bit bus mode, used as high order bidirectional data bus. In 4-bit bus mode, used as both high and low order data bus. Power supply for LED backlight
BLOCK DIAGRAM
VSS VDD VO RS R/W E DB0 DB7
LCD Controller LSI KS0066 or Eqv.
16 COM
LCD PANEL 16 Characters x 2 Lines
40 SEG 40 SEG
11 12 13 14 15 16
Segment driver
LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
LEDA LEDK Item LED Backlight Forward Voltage Forward Current Emission Wave Length Symbol Vf If Typ. 4.1 120 568 Max. 4.3 --Unit V mA nm
p

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