NHD-0420DZ-FL-YBW
Character Liquid Crystal Display Module
NHD-
0420-
DZ-
F-
L-
Y-
B-
W-
Newhaven Display
4 Lines x 20 Characters
Model
Transflective
Yellow/Green LED Backlight
STN- Yellow/Green
6:00 Optimal View
Wide Temperature
RoHS Compliant
Newhaven Display International, Inc.
2661 Galvin Ct.
Elgin IL, 60124
Ph: 847-844-8795
Fax: 847-844-8796
www.newhavendisplay.com
nhtech@newhavendisplay.com
nhsales@newhavendisplay.com
Document Revision History
Revision
0
1
2
3
4
5
6
7
8
Date
10/21/2008
1/22/2010
2/25/2010
3/19/2010
1/6/2011
5/6/2011
12/5/2011
6/8/2012
6/15/16
Description
Initial Release
User Guide Reformat
Updated Mechanical Drawing
Updated Mechanical Drawing
Updated Controller Information
Electrical characteristics updated
Mechanical drawing updated
Electrical characteristics updated
Mechanical Drawing, Electrical & Optical Char., Quality
Information Updated
Changed by
-
MC
MC
BE
JT
AK
AK
TJ
SB
Functions and Features
•
•
•
•
•
4 lines x 20 characters
Built-in controllers (ST7066U)
+5.0V Power Supply
1/16 duty, 1/5 bias
RoHS compliant
[2]
Mechanical Drawing
1
0.6
10.5
2
98.0 0.5
96.8
77.0(VA)
70.4(AA)
P2.54*15=38.1
16- 1.0PTH 1.8
16- 1.8PAD
3
4
Rev
5
Description
A
13.8
10.0
17.4
19.6
1
16
B
C
D
The drawing contained herein is the exclusive property of Newhaven Display International, Inc. and shall not be copied, reproduced, and/or disclosed in any format without permission.
F
N
O
C
49.0
2.5
93.0
2.95
0.6
0.6
0.55
E
D
I
55.0
4-2.5 PTH
4-5.0 PAD
T
N
13.6 MAX
9.0
1.6
LED B/L
Date
Unit
Gen. Tolerance
39.3
25.2(VA)
20.8(AA)
60.0 0.5
L
A
I
6
Date
A
10.35
2.5
2.5
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Vss
Vdd
Vo
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A
K
C
4.75
0.6
0.55
D
DOT SIZE
SCALE 5/1
06/15/16
±0.3mm
mm
Model:
0.6
NHD-0420DZ-FL-YBW
1
2
3
4
5
6
[3]
Pin Description and Wiring Diagram
Pin No.
1
2
3
4
5
6
7-10
11-14
15
16
Symbol
Vss
VDD
V0
RS
R/W
E
DB0-DB3
DB4-DB7
LED+
LED-
External
Connection
Power Supply
Power Supply
Power Supply
MPU
MPU
MPU
MPU
MPU
Power Supply
Power Supply
Function Description
Ground
Supply Voltage for logic (+5.0V)
Supply Voltage for contrast (approx. 0.5V)
Register Select signal. RS=0: Command, RS=1: Data
Read/Write select signal, R/W=1: Read R/W:=0: Write
Operation Enable signal. Falling edge triggered.
Four low order bi-directional three-state data bus lines. These four
are not used during 4-bit operation.
Four high order bi-directional three-state data bus lines.
Backlight Anode (+5.0V via on-board resistor)
Backlight Cathode (Ground)
Recommended LCD connector:
2.54mm pitch pins
Backlight connector:
---
Mates with:
---
[4]
Electrical Characteristics
Item
Operating Temperature Range
Storage Temperature Range
Supply Voltage
Supply Current
Supply for LCD (contrast)
“H” Level input
“L” Level input
“H” Level output
“L” Level output
Backlight Supply Voltage
Backlight Supply Current
Symbol
Top
Tst
VDD
IDD
VDD-V0
Vih
Vil
Voh
Vol
Vled
Iled
Condition
Absolute Max
Absolute Max
-
VDD=5.0V
Ta=25°C
-
-
-
-
-
Vled=5.0V
Min.
-20
-30
4.5
1.0
4.4
0.7*VDD
VSS
3.9
VSS
4.9
252
Typ.
-
-
5.0
1.2
4.5
-
-
-
-
5.0
280
Max.
+70
+80
5.5
1.5
4.6
VDD
0.6
VDD
0.4
5.1
336
Unit
⁰C
⁰C
V
mA
V
V
V
V
V
V
mA
Optical Characteristics
Optimal
Viewing
Angles
Contrast Ratio
Response Time
Rise
Fall
Item
Top
Bottom
Left
Right
Symbol
ϕY+
ϕY-
θX-
θX+
Cr
Tr
Tf
Condition
Cr
≥
2
-
-
-
Min.
-
-
-
-
-
-
-
Typ.
20
40
30
30
3
150
150
Max.
-
-
-
-
-
200
200
Unit
⁰
⁰
⁰
⁰
-
ms
ms
Built-in ST7066U Controller.
Please download specification at
http://www.newhavendisplay.com/app_notes/ST7066U.pdf
Controller Information
DDRAM Address
1
00
40
14
54
2
01
41
15
55
3
02
42
16
56
4
03
43
17
57
5
04
44
18
58
6
05
45
19
59
7
06
46
1A
5A
8
07
47
1B
5B
9
08
48
1C
5C
10
09
49
1D
5D
11
0A
4A
1E
5E
12
0B
4B
1F
5F
13
0C
4C
20
60
14
0D
4D
21
61
15
0E
4E
22
62
16
0F
4F
23
63
17
10
50
24
64
18
11
51
25
65
19
12
52
26
66
20
13
53
27
67
[5]
51单片机
