Features
Provides 80-channel LCD driver
Internal serial to parallel conversion circuits:
40-bit bi-direction shift r egister 2
80-bit lat ch 1
80-bit 4-level driver 1
Logic circuit supply voltage range: 4.5V - 5.5V
General Description
The NT3883 is a dot matrix LCD 80-channel driver
fabricated by low power CMOS technology. This IC
consists of two 40-bit bi-directional shift registers, 80-bit
latch and 80-bit 4-l evel LCD driver. The NT3883 converts
serial data that are received from the LCD controller, such
Pin Configuration
NT3883
Dot Matrix LCD 80-Channel Driver
DD
LCD driving voltage range (V
Applicable LCD duty cycle: 1/2 to 1/16
Interfaces with a NT3881B/C/D LCD controller
LCD bias voltage can be supplied externally
Available in 100-pi n Q FP and i n CHIP FO RM
as NT3881B/C/D, to paral lel data and outputs LCD dri ving
waveforms to drive LCD. Expansion of character-type
liquid cryst al display can be easily obtained according to
the number and structure of characters.
- VEE): 3.5V to 11V
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S
S
S
S
3
3
3
3
1
4
3
2
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
S9
22
S8
23
S7
24
S6
25
S5
26
S4
27
S3
28
S2
29
S1
30
31 3832 39 45 48 50
V
N
C
E
E
D
S
S
S
S
3
3
3
3
8
7
6
5
9399 92 86 83 81
96
NT3883F
35
S
C
G
V
L
L
N
2V3VD
1
1
D
S
S
S
S
7
8
4
3
9
0
0
9
NCNCNCS
L
2
S
S
S
S
7
7
7
7
5
6
7
8
8590 89 8897 9195
87
4641 42 4334 4036
44
D
D
D
C
L
R
L
L
2
1
1
2
S
S
S
S
7
7
7
7
1
2
3
4
8498 8294
S70
80
S69
79
S68
78
S67
77
S66
76
S65
75
S64
74
S63
73
S62
72
S61
71
S60
70
S59
69
S58
68
S57
67
S56
66
S55
65
S54
64
S53
63
S52
62
S51
61
S50
60
S49
59
S48
58
S47
57
S46
56
S45
55
S44
54
S43
53
S42
52
S41
51
4733 4937
NCNCMD
R
2
1 V2.1 November, 1999
Pad Configuration
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
NT3883
S
S
3
2
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
S9
S8
23
S7
24
S6
25
S5
26
S4
27
S3
28
S2
29
S1
31
30
S
S
S
S
3
3
3
5
4
3
95
3
4
3
3
3
9
0
8
7
6
94 93 92 91 90 89 8899 98 97 96 87 86 85 84 83 82
NT3883H
33 34 353637 38 39 43 44 45 464748
G
S
G
V
E
E
V2V3V
N
L
D
D
L
D
1
1
S
S
S
S
S
S
S
7
7
8
8
9
0
D
C
S
L
L
L
1
2
2
S
S
S
7
7
6
7
D
R
1
S
S
7
7
7
7
4
5
2
3
S71
81
S70
80
S69
79
S68
78
S67
77
S66
76
75
S65
74
S64
73
S63
72
S62
S61
71
70
S60
69
S59
68
S58
S57
67
66
S56
65
S55
64
S54
63
S53
62
S52
61
S51
60
S50
59
S49
S48
58
S47
57
S46
56
55
S45
54
S44
S43
53
S42
52
S41
51
D
M
D
R
L
2
2
2
Block Diagram
DD
V
2
V
3
V
EE
V
M
NT3883
S1 S2 S39 S40 S41 S42 S79 S80
80-Bit 4-Level LCD Drivers
CL1
DL2
CL2
First
40-Bit Shift Re
ister
SL1 SL2
80-Bit Latch
Second
40-Bit Shift Register
DR2
GNDDL2DR1
3
NT3883
Absolute Maximum Rating s*
Power Su p pl y Volta ge ( VDD-GND) . . . . . . -0.3V to 7.0V
Power Supp l y Vo l ta ge (V
. . . . . . . . . . . . . . . . . . . . . .V
Input Voltage . . . . . . . . . . . . . . -0.3V to V
Operating Temperature . . . . . . . . . . -20
Storage Temperature . . . . . . . . . . . . . -55qC to + 125qC
DC Electrical Characteristics
) . . . . . . . . . . . . . . . . . .
DD-VEE
DD
- 13.5V to VDD + 0.3V
(V
= 5.0V, GND = 0V, V
DD
DD
+ 0.3V
q
C to + 75qC
*Comments
Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to this device.
These are stress ratings only. Functional operation of
this device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied and exposure to the absolute maximum
rating conditi ons for extended periods may affect device
reliability.
= 0V, TA = 25
EE
q
C)
Parameter Symbol Terminal Min. Typ. Max. Unit Conditions
Input Voltage
Output Voltage
IH
V
IL
V
OH
V
CL1, CL2,
DL1, DL2
*1
DR1, DR2
DD
0.7 V
0-
DD
- 0.4
V
-
V
0.3 V
DD
DD
--V
V
V
IOH = -0.4mA
*1
--0.4V
--1.1V
--1.5V
OL
= +0.4mA
I
ON
= 0.1mA for one of Sj
I
ON
= 0.05mA for each of Sj
I
Vi - Sj Voltage
Descending
OL
V
D1
V
D2
V
*2
Input Leakage
Current
IL
I
CL1, CL2
DL1,
-5 - 5
P
A
IN
= 0 or V
V
DD
DL2*1
Vi Leakage
VL
I
V2, V3, V
EE
-10 - 10
P
A
S1 to S80 open
Current
Power Supply
Current
DD
I
*3 - - 500
P
A
CL1
= 1KHz
f
CL2
= 1MHz
f
Note *1: SL1 and SL2 determine The Input or Output of DL1, DL2, DR1 and DR2 and the configuration is as follows.
Terminal SL1 = High SL1 = Low SL2 = High SL2 = Low
DL1 Output Input - -
DR1 Input Output - -
DL2 - - Output Input
DR2 - - Input Output
*2: Vi – Sj (Vi = VDD, V2, V3, VEE; j = 1 to 80) equivalent cir c ui t (for reference)
*3: Input/out put cur r ent is excluded. W hen the input is at the intermediate level with CMOS, some excessive
1Kmax.
V
i
Power
Switch
10Kmax.
Data
Swtich
S
j
Current will flow through the input circuit to power supply. To avoid this, the input l evel must be fixed at high or
low state.
4