Home Products Character LCD WH1604A

Character LCD Display 16x4, Display LCD 16x4

Model No. WH1604A

►Character LCD 16x4
►5x8 dots includes cursor
►+5V power supply (Also available for +3V)
►WG16032D3 optional for +3V power supply
►1/16 duty cycle
►LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)


Winstar's WH1604A is a character LCD 16x4 display which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel, 5V power supply.  These LCD display 16x4 modules are also available in SPI and I2C interface by using RW1063 controller IC. The WH1604A display LCD 16x4 series is available in several different backlight colors including blue, green, white, yellow-green, amber, red, white LEDs. 

There are three interface options for WH1604A series, details as below:
►WH1604A : 6800 interface (ST7066 IC)
►WH1604A1: SPI interface (RW1063 IC)
►WH1604A2: I2C interface (RW1063 IC)


Winstar Character LCD 16x4, Display 16x4, Display LCD 16x4 - WH1604A
Data source ref:WH1604A-TFH-CT#


Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V Ground
2 VDD 5.0V Supply Voltage for logic
3 VO (Variable) Operating voltage for LCD
4 RS H/L H: DATA, L: Instruction code
5 R/W H/L H: Read  L: Write
6 E H,H→L Chip enable signal
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -

Mechanical Data

Item Dimension Unit
Number of Characters 16 Characters x 4 Lines
Module dimension 87.0 x 60.0 x 13.6 (MAX) mm
View area 62.0 x 26.0 mm
Active area 56.2 x 20.8 mm
Dot size 0.55 x 0.55 mm
Dot pitch 0.60 x 0.60 mm
Character size 2.95 x 4.75 mm
Character pitch 3.55 x 5.35 mm
Duty 1/16
Backlight Type LED
IC ST7066U
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VI VSS VDD V
Supply Voltage For Logic VDD-VSS -0.3 7 V
Supply Voltage For LCD VDD-Vo -0.3 13 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD VDD-V0 Ta=-20℃


Input High Volt. VIH 0.7 VDD VDD V
Input Low Volt. VIL Vss 0.6 V
Output High Volt. VOH 3.9 VDD V
Output Low Volt. VOL 0 0.4 V
Supply Current IDD VDD=5.0V 1.0 1.2 1.5 mA

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