Document
PACIFIC DISPLAY DEVICES
LCD Component Data Sheet Model Number: 12864-05
128 x 64 Dot Graphic LCD Assembly With NT7108 Graphics Controller LED & EL Panel Backlight
CONTENTS
1. GENERAL INFORMATION 1.1 Product Overview 1.2 Part Options and Numbering System 1.3 Absolute Maximum Ratings 1.4 Circuit Block Diagram 1.5 Mechanical Characteristics 1.6 Input Signal Function 1.7 LCM Power, Contrast Control and Bias 1.8 LCD Dimensions
2. ELECTRICAL / OPTICAL CHARACTERISTICS 2.1 DC Electrical Characteristics 2.2 AC Electrical Characteristics 2.3 Optical Characteristics 2.4 LED Backlight Characteristics 2.5 EL Panel Backlight Characteristics
3. LCD CONTROLLER CHARACTERISTICS (NT7107 / NT7108) 3.1 LCD Controller Display & Control Functions 3.2 LCD Controller Character Code map
4. RELIABILITY
5. PRECAUTIONS FOR USING LCD MODULES
2 2 3 3 3 4 4 5
6 7 9 10 10
11 14
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139 Avenida Victoria – Suite 100 – San Clemente, CA – 92672 Tel: 949-361-8957 – Fax: 949-361-9158 – Web: www.pacificdisplay.com
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-05
1. GENERAL INFORMATION
1.1 Product Overview • 128 x 64 dot matrix LCD • STN (Super Twisted Nematic) or FSTN (Film compensated Super Twisted Nematic) Technology • NT7107 & NT7108 (or equivalent) Graphics Controller / Driver chips • Multiplex drive : 1/64 duty, 1/9 bias • LCD Module Service Life: 100,000 hours minimum
1.2 Part Options and Numbering System
12864 -05 -SL -F -ST -ELED -GY -6
Custom Option Designator: • (-05) KS0107 / KS0108 Controller Chips
Operating Mode: • (-SL) STN Silver / Gray • (-GR) STN Green • (-BN) STN Blue Negative Image • (-FC) FSTN Black & White Image
Rear Polarizer Options: • (-F) Transflective • (-M) Transmissive • (-R) Reflective (No Backlight)
Operating Temperature: • (-ST) Standard (0 to +50 ºC) • (-ET) Extended (-20 to +70 ºC)
Backlight Options: • (-ELED) Edge Lit LED Backlight • (-LED) Array Lit LED Backlight • (-ELP) EL Panel Backlight
Backlight Coloration Options: • (-WH) ELP – White • (-BG) ELP – Blue Green • (-GY) LED - Green/Yellow • (-AM) LED - Amber
Viewing Angle: • (-6) 6 o’clock • (-12) 12 0’clock
Additional Options:
PACIFIC DISPLAY DEVICES
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
1.3 Absolute Maximum Ratings
Parameter
Supply voltage for logic Supply voltage for LCD Input voltage Standard Operating temperature Standard Storage temperature Extended Operating temperature Extended Storage temperature Soldering Temp
Symbol
VDD VDD – Vo
VI TOP (-ST) TST (-ST) TOP (-ET) TST (-ET)
Tsolder
MODEL NO: 12864-05
Min Max
-0.3 7.0 VDD – 19.0 VDD + 0.3
-0.3 VDD +0.3 0 50 -10 60 -20 70 -30 80 260
Unit
V V V ºC ºC ºC ºC ºC
1.4 Circuit Block Diagram
DB0 ~ DB7 RS, R/W, E
CS2 CS1
VSS VDD
VO
A K
8 3
5
COMMON DRIVER IC NT7107B
COM64
SEGMENT DRIVER IC NT7108B
SEG64
SEGMENT DRIVER IC NT7108B
SEG64
LCD PANEL 128 x 64 DOTS
EL / LED BACKLIGHT
1.5 Mechanical Characteristics
Item
Module size (W×H×T)
Viewing area (W×H) Active area (W×H) Number of dots Dot size (W×H) Dot pitch (W×H)
Contents
78.0 x 70.0 x 14.5 Max (LED Array Backlight) 78.0 x 70.0 x 13.0 Max (LED Edge Backlight) 78.0 x 70.0 x 10.0 Max (No LED Backlight) 62.0 x 44.0
56.27 x 38.35
128 x 64 0.39 x 0.55
0.44 x 0.60
Unit
mm
mm mm dots mm mm
PACIFIC DISPLAY DEVICES
01.01.2011
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-05
1.6 Input Signal Function
Pin No.
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18
Symbol
CS1 CS2 VSS VDD VO RS R/W
E
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 SLA SLK
Level
H H 0V 5.0V --H/L H/L
H, H → L H/L H/L H/L H/L H/L H/L H/L H/L 4.2V 0V
Description
Chip select signal for NT7108 (1) Chip select signal for NT7108 (2) Ground Supply voltage for logic Input voltage for LCD H : Data signal, L : Instruction signal H : Read mode, L : Write mode Chip enable signal
Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 Side light anode Side light cathode
1.7 LCM Power, Contrast Control and Bias
VDD VO
VDD
VR: 10Kohm
VSS
LCM
A LED/EL Backlight
K
-8V
Backlight Power
PACIFIC DISPLAY DEVICES
01.01.2011
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
1.8 LCM Dimensions
MODEL NO: 12864-05
PACIFIC DISPLAY DEVICES
01.01.2011
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SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
2. ELECTRICAL / OPTICAL CHARACTERISTICS
MODEL NO: 12864-05
2.1 DC Electrical Characteristics (VDD = +5V±10% , VSS = 0V, Ta = 25°C )
Parameter
Supply voltage for logic Supply current for logic
Operating voltage for LCD
Input voltage ' H ' level Input voltage ' L ' level
Symbol
VDD IDD
VDD - VO
VIH VIL
Condition
----0°C 25°C 50°C -----
Min
4.5 --10.4 9.8 9.1 0.7VDD 0
Typ
5.0 2.62 10.9 10.3 9.6 -----
Max
5.5 4 11.4 10.7 10.1 VDD 0.3VDD
Unit
V mA V V V V V
■ TIMING OF POWER SUPPLY
VDD
4.75V GND
0~50ms
0~50ms
SIGNAL
GND
GND
VOUT
≥ 0ms
≥ 0ms
POWER ON
Note : The missing pixels may occur when the LCM is driven except above power supply timing sequence.
POWER OFF
PACIFIC DISPL.