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NT7702 Datasheet Preview

NT7702 Datasheet

240 Output LCD Segment/Common Driver

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NT7702
240 Output LCD Segment/Common Driver
Features
(Segment mode)
! Shift Clock frequency:
20 MHz (Max.) (VDD = 5 V ± 10%)
! Adopts a data bus system
! 4-bit/8-bit parallel input modes are selectable with a
mode (MD) pin
! Automatic transfer function with an enable signal
! Automatic counting function when in the chip select
mode, causes the internal clock to be stopped by
automatically counting 240 bits of input data
(Common mode)
! Shift clock frequency :
4.0 MHz (Max.)
! Built-in 240-bits bidirectional shift register (divisible into
120-bits x 2)
! Available in a single mode (240-bits shift register) or in a
dual mode(120-bits shift register x 2)
1. Y1 Y240
Single mode
2. Y240 Y1
Single mode
3. Y1 Y120, Y121 Y240 Dual mode
4. Y240 Y121, Y120 Y1 Dual mode
The above 4 shift directions are pin-selectable
(Both for segment mode and common mode)
! Supply voltage for LCD driver: 15.0 to 30.0 V
! Number of LCD driver outputs: 240
! Low output impedance
! Low power consumption
! Supply voltage for the logic system: +2.5 to +5.5 V
! COMS process
! Package: 272pin TCP (Tape Carrier Package)
! Not designed or rated as radiation hardened
General Description
The NT7702 is a 240-bit output segment/common driver LSI
suitable for driving large scale dot matrix LCD panels using
as PDA/personal computers/work stations. Through the use
of SST (Super Slim TCP) technology, it is ideal for
substantially decreasing the size of the frame section of the
LCD module. The NT7702 is good as both a segment driver
and as a common driver, and a low power consuming, high-
precision LCD panel display can be assembled using the
NT7702. In the segment mode, the data input is selected as
4bit parallel input mode or as 8bit parallel input mode by a
mode (MD) pin. In the common mode, the data input/output
pins are bi-directional and the four data shift directions are
pin-selectable.
Pin Configuration
D
UYYYYY
M2 2 2 2 2
M4 3 3 3 3
Y0 9 8 7 6
272 271 270 269 268
YYYYYY
111111
222211
321098
155 154 153 152 151 150
D
U
M
YYYY YM
54321Y
37 36 35 34 33
NT7702
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
D V V V V V V V S E D D D D D D D D X D L E F L MN V N V V V V V D
U0 0 1 4 5SD / I 0 1 2 3 4 5 6 7C I P I R / DCSC 5 4 1 0 0U
ML L 2 3 L SDCO
KS O R
S R 3 2RRM
M LL
2
P1
RR
M
Y OY
F
F
1 V1.0




Novatek

NT7702 Datasheet Preview

NT7702 Datasheet

240 Output LCD Segment/Common Driver

No Preview Available !

www.datasheet4u.com
Pad Configuration
282
x
283
296
ALK_L
1
Dummy Pad
NT7702
Dummy Pad
NT7702
59
x
58
ALK_R
45
44
Block Diagram
V0R V12R V43R V5R
Y1 Y2
Y239 Y240
FR
DISPOFF
EIO1
EIO2
LP
XCK
L/R
MD
S/C
Level
Shifter
Active
Control
Control
Logic
240 Bits 4 Level Driver
/240
240 Bits Level Shifter
/240
240 Bits Line Latch/Shift Register
/16 /16 /16
8Bits2
Data
Latch
/16 /16
Data Latch Control
/8
SP Conversion & Data Control
(4 to 8 or 8 to 8)
D0 D1 D2 D3 D4 D5 D6 D7
VDD
VSS VSS
V5L
V43L
V12L
V0L
2


Part Number NT7702
Description 240 Output LCD Segment/Common Driver
Maker Novatek
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NT7702 Datasheet PDF





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