LCD0821	LCD2041	LCD4021	LCD4041	LK162-12	LK202-25
Features:
Keypad Interface	N/A	N/A	N/A	N/A	12 keys	25 keys
General Purpose Outputs	1	1	1	1	7	6
Note: All displays with a 12 key matrix can only be used with the keypad interface or the general purpose outputs. These two options cannot be used simultaneously.
Environmental Specifications
Operating Temperature	0 to +50 °C	0 to +50 °C	0 to +50 °C	0 to +50 °C	0 to +50 °C	0 to +50 °C
Electrical Specifications (Ta = 25?C, Vin = 5.0V)
Supply Voltage	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc
Wide Voltage Option	+7 to +15Vdc	+7 to +15Vdc	+7 to +15Vdc	+8 to +30Vdc	+7 to +15Vdc	+7 to +15Vdc
Supply Current	9mA  typical	10mA typical	10mA typical	25mA  typical	9mA typical	9mA typical
Backlight Supply Current	40mA typical	90mA typical	90mA typical	150mA typical	40mA typical	115mA typical
Physical Characteristics
Number of characters	16 (8 Char. x 2 Lines)	80 (20 Char. x 4 Lines)	80 (40 Char. x 2 Lines)	160 (40 Char. x 4 Lines)	32 (16 Char. x 2 Lines)	40 (20 Char. x 2 Lines)
Character size	2.95 x 5.55mm (XxY)	2.95 x 4.75mm (XxY)	3.20 x 5.55mm (XxY)	2.78 x 4.89mm (XxY)	2.95 x 5.55mm (XxY)	3.20 x 5.55mm (XxY)
Display Size	58.0 x 32.0mm	97.2 x 60.0mm	182.0 x 33.5mm	190.0 x 54.0mm	80.0 x 36.0mm	116.0 x 37.0mm

	LK204-25	LK204-25PC	LK402-12	LK404-55	LK404-AT
Features:
Keypad Interface	25 keys	25 keys	12 Keys	55 Keys	keyboard
General Purpose Outputs	6	8	7	1	1
Note: All displays with a 12 key matrix can only be used with the keypad interface or the general purpose outputs. These two options cannot be used simultaneously.
Environmental Specifications
Operating Temperature	0 to +50 °C	0 to +50 °C	0 to +50 °C	0 to +50 °C	0 to +50 °C
Electrical Specifications (Ta = 25?C, Vin = 5.0V)
Supply Voltage	+4.75 to +5.25Vdc	+5Vdc and +12Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc	+4.75 to +5.25Vdc
Wide Voltage Option	+7 to +15Vdc	N/A	+7 to +15Vdc   (+8 to +30Vdc optional)	+8 to +30Vdc	+8 to +30Vdc
Supply Current	10mA typical	10mA typical	10mA typical	25mA typical	25mA typical
Backlight Supply Current	90mA typical	90mA typical	90mA typical	150mA typical	150mA typical
Physical Characteristics
Number of characters	80 (20 Char. x 4 Lines)	80 (20 Char. x 4 Lines)	80 (40 Char. x 2 Lines)	160 (40 Char. x 4 Lines)	160 (40 Char. x 4 Lines)
Character size	2.95 x 4.75mm (XxY)	2.95 x 4.75mm (XxY)	3.20 x 5.55mm (XxY)	2.78 x 4.89mm (XxY)	2.78 x 4.89mm (XxY)
Display Size	97.2 x 60.0mm	97.2 x 60.0mm	182.0 x 33.5mm	190.0 x 54.0mm	190.0 x 54.0mm