TI MPT57605

MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
D
D
D
D
Gate Driver LSI for Active-Matrix LCD
Liquid-Crystal Control Outputs: 256
Enables High-Voltage Operation:
Liquid-Crystal Control Signal
VL + 35 V (max)
D
D
D
Liquid-Crystal Control Signal’s
Negative-Voltage Output Is Enabled by a
Level-Shift Circuit
On-Chip Bidirectional Shift Registers
TCP (Tape Carrier Package)
CMOS-LSI Structure
description
The MPT57605 is a gate driver LSI that drives an active-matrix LCD panel and implements a multi-pin
configuration, low power consumption, and high voltage. Furthermore, the level-shift circuit enables positive
and negative power supplies. Also, it is compatible with various SVGA/XGA panels.
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6
OUT251 OUT252 OUT253 OUT254 OUT255 OUT256
MPT57605
STV2 CPV OE1,
OE2,
OE3
VSS
L/R
VL
VDD VCOM VEE STV1
NOTE A: This figure shows the copper foil side and does not describe the TAB outline or show the NC pins.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright  2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
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1
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
block diagram
L/R OE3 OE2 OE1 STV1 STV2 CPV
VCOM
VL
VDD VSS VEE
Level Shift
2
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT1
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT2
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT3
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT4
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT5
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT6
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT254
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT255
Shift
Register
Level Shift
Circuits
Output
Circuits
OUT256
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
Terminal Functions
TERMINAL
NAME
I/O
DESCRIPTION
CPV
I
Vertical shift clock input
The shift register’s shift clock. Data are shifted in sync with the rising edge of this pin.
OE1
OE2
OE3
I
Output enable pins
The liquid-crystal control output is held low by setting pins OE1, 2, and 3 High. However, the shift registers
are not cleared. OE is async with CPV.
Enable control target pin:
OE1: OUT1, OUT4, OUT7...OUT253, OUT256
OE2: OUT2, OUT5, OUT8...OUT254
OE3: OUT3, OUT6, OUT9...OUT255
These combinations are generally as above, regardless of the L/R polarity.
L/R
I
Shift direction switching pin
This pin is used to switch the data’s shift direction.
L/R = L: STV1 ← OUT1 ← OUT2...OUT255 ← OUT256 ← STV2
L/R = H: STV1 → OUT1 → OUT2...OUT255 → OUT256 → STV2
STV1
STV2
I/O
Shift data I/O pins
These pins are used to input/output data to/from a shift register. During input, data are captured in sync with
the leading edge of CPV. During output, data are output in sync with its trailing edge.
L/R = L: STV1 is the next-stage data output pin, and STV2 is the shift data input pin.
L/R = H: STV1 is the shift data input pin, and STV2 is the next-stage data output pin.
OUT1 thru
OUT256
O
Output terminals
VCOM
VDD
Power supply for high-withstand-voltage logic
VSS
VEE
GND for logic input
VL
Negative power supply for liquid-crystal control
Power supply for logic input
GND
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3
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
detailed description
liquid-crystal control output voltage
The MPT57605 enables negative-voltage output for the liquid-crystal control output.
VCOM – VL = 35 V max VL – VEE = 0-6 V. VCOM – VSS = 10-25 V.
Out
V(COM)
Logic Input
VDD
VSS
VEE = VL
Figure 1. Liquid-Crystal Control Output Voltage
For the input signals (CPV, OE1-3, L/R, STV1 and STV2), input the amplitude of VDD from VSS.
The next-stage data output pins (STV1, STV2) output the next level:
H level = VDD
L level = VSS
details of operation
The liquid-crystal control outputs (OUT1-256) output either a selective signal (H) or a nonselective signal (L),
depending on the input signals (STV1 and STV2, CPV, OE1, OE2, OE3).
A right data shift (OUT1 → OUT256) or a left data shift (OUT256 → OUT1) can be selected by means of the
shift direction switching pin (L/R).
When the L/R pin is H, the vertical shift data (STV1) are captured at the leading edge of the shift clock (CPV),
after which they are output to the liquid-crystal control output OUT1. Furthermore, the OUT1 output data are
shifted to OUT2 at the leading edge of the next CPV, and the data newly fetched from STV1 are output to OUT1.
In this manner, they are shifted successively in sync with the leading edge of CPV, and the OUT256 data are
output to STV2 in sync with the trailing edge of CPV.
When the L/R pin is L, the vertical shift data (STV2) are captured at the leading edge of the shift clock (CPV),
after which they are output to the liquid-crystal control output OUT256. Furthermore, the OUT256 output data
are shifted to OUT255 at the leading edge of the next CPV, and the data newly fetched from STV2 are output
to OUT256. In this manner, they are shifted successively in sync with the leading edge of CPV, and the OUT1
data are output to STV1 in sync with the trailing edge of CPV.
Also, while OE1, OE2, and OE3 are H, the corresponding liquid-crystal control outputs (OE1: OUT1, 4, 7,...;
OE2: OUT2, 5, 8,...; OE3: OUT 3, 6, 9,...) all become nonselective signals (L). In order to hold the internal data,
however, the previous state is restored by again setting to L.
4
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• DALLAS, TEXAS 75265
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
detailed description (continued)
1
2
3
4
5
6
7
256
257
258
CPV
STV1
OE1
OE2
OE3
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT256
STV2
Figure 2. Recommended Operation Timing (L/R = H)
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5
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
absolute maximum ratings (referenced to VSS = 0 V)†
Supply voltage‡§, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.3 to 7 V
VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 20 to 0.3 V
VL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VEE – 0.3 to VEE + 7 V
VCOM – VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.3 to 40 V
Input voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.3 to VDD + 0.3 V
Storage temperature, TSTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
‡ Unless otherwise indicated, all voltages are with reference to VSS.
§ Power up in the following order: VDD → VEE → input signal → VCOM. Power down by reversing the sequence.
recommended operating conditions (referenced to VSS = 0 V)
MIN
TYP
MAX
Supply voltage, VDD
3.0
3.3
3.6
V
Supply voltage, VCOM
10
25
V
– 15
–5
V
Supply voltage, VEE
Supply voltage, VL – VEE
Supply voltage, VCOM – VEE
Low-level input voltage, VIL
High-level input voltage, VIH
0
6
V
17
35
V
VSS
0.9 × VDD
0.1 × VDD
V
Clock frequency, fCPV
Operating free-air temperature, TA
UNIT
– 55
VDD
100
kHz
V
125
°C
electrical characteristics over full range of recommended operating conditions, VSS = 0 V (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
IOL = 40 µA
IOH = – 40 µA
VOL
VOH
Low-level output voltage (STV1, STV2)
ROL
Low-level output resistance (OUT1–OUT256)
ROH
High-level output resistance (OUT1–OUT256)
VOUT = VL + 0.2 V
VOUT = VCOM – 0.2 V
II
IDD
Input current
All input terminals
High-level output voltage (STV1, STV2)
Continuous current dissipation
MIN
VSS
VDD – 0.4
–5
TYP
MAX
UNIT
VSS + 0.4
VDD
V
1000
Ω
1000
Ω
5
µA
500
V
See Notes 1 and 2
µA
ICOM
Continuous current dissipation
100
NOTES: 1. Current consumption by a 1/768-duty liquid-crystal display.
2. Condition: The outputs are no load. The inputs are VIH = VDD, VIL = VSS, fCPV = 50 kHz, fSTV = 104.2 Hz, and OE1-3 = VIL.
6
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• DALLAS, TEXAS 75265
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
timing requirements over full range of recommended operating conditions, VSS = 0 V (unless
otherwise noted)
PARAMETER
MIN
MAX
UNIT
100
KHz
fCP
tCPVH, tCPVL
Operating frequency
CPV clock pulse width
4
µs
tWCL
tsu
Clear enable time
1
µs
Data setup time
700
ns
th
Data hold time
700
ns
switching characteristics over full range of recommended operating conditions, VSS = 0 V (unless
otherwise noted)
PARAMETER
tpd1
tpd2
MAX
UNIT
Propagation delay time, CPV to outputs
CL = 300 pF
1500
ns
Propagation delay time, CPV to STV1, STV2
CL = 30 pF
800
ns
CL = 300 pF
800
ns
tpd3
Propagation delay time, output enables to outputs
NOTE: The ac timing is 50% of the I/O amplitude, for each signal.
POST OFFICE BOX 655303
TEST CONDITIONS
• DALLAS, TEXAS 75265
MIN
7
MPT57605
256-OUTPUT TFT GATE DRIVER
SGLS116A – JANUARY 2001 – REVISED MAY 2001
timing diagram of ac characteristics (when L/R = H)
tCPVH
tCPVL
CPV
50%
tsu
th
50%
STV1
tpd1
tpd1
50%
OUT1
tpd1
tpd1
OUT2–
OUT256
50%
CPV
50%
OUT256
50%
tpd2
STV2
tpd2
50%
tWCL
OE1
OE2
OE3
50%
tpd3
tpd3
OUT1–
OUT256
8
50%
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