Document
LC1641-LY
www.DataSheet4U.com
16 characters x 4 lines + yellow green 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 -30 Max. 7.0 13.0 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 ) Character Size ( W x H ) Dot Size ( W x H ) Weight (Reflective/LED) Nominal Dimensions 87.0 x 60.0 x 10.0/13.5 62.0 x 26.0 2.95 x 4.75 0.55 x 0.55 Approx. 40 / 55 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 --I OH = - 0.2mA I OL = 1.2mA VDD = 5.0V Ta=25°C Min. 2.2 - 0.3 2.4 0 --Typ. ----2.0 4.6 Max. Unit V DD 0.6 VDD 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 S6A0069 or Eqv.
16 COM
LCD PANEL 16 Characters x 4 Lines
40 SEG 120 SEG
11 12 13 14 15 16
Segment driver
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
LEDA LEDK LED Backlight Item Forward Voltage Forward Current Emission Wave Length Symbol Vf If Typ. 4.1 200 568 Max. 4.3 --Unit V mA nm
λp
.