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LH1687 Datasheet

  • LH1687

  • 240-output TFT-LCD Source Driver IC

  • 94.21KB

  • 21頁(yè)

  • SHARP

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LH1687
LH1687
DESCRIPTION
The LH1687 is a 240-output TFT-LCD source
driver IC used in such products as TV sets. The
LH1687 samples and holds three video signals of
R, G and B by sample and hold circuits
synchronized with the CK, and simultaneously
outputs the LCD drive voltage from all output pins.
240-output TFT-LCD Source Driver IC
PIN CONNECTIONS
264-PIN TCP
TOP VIEW
1 OS
1
FEATURES
鈥?Number of LCD drive outputs : 240
鈥?Output circuit form : Push pull output
鈥?Power save function : By setting the LCD drive
output in a high-impedance condition, the current
source of the LCD drive output circuit is cut off,
which makes low power operation possible
鈥?Sampling timing : Normal sampling operation and
3-point simultaneous sampling operation can be
selected
鈥?Video signal setting : Available for stripe pixel
array panels and delta pixel array panels using
mode setting circuit
鈥?Sampling clock frequency : 25 MHz (MAX.)
鈥?Cascade connection
鈥?Sampling sequence :
Output shift direction can be selected
OS
1
/OS
240
or OS
240
/OS
1
鈥?Output amplitude voltage :
4.8 Vp-p (at 5.0 V supply voltage)
鈥?Supply voltages
鈥?V
CC
L (for logic system) : +3.0 to +5.5 V
鈥?V
CC
A (for LCD drive system) : +3.0 to +5.5 V
鈥?Operating temperature : 鈥?0 to + 85 藲C
鈥?Package : 264-pin TCP (Tape Carrier Package)
V
CC
A
V
CC
L
GNDA
GNDL
TST
5
V
C
V
B
V
A
MODE
PS
RL
SAM
CTR
CK
SPIO
SPOI
TEST
4
TEST
3
TEST
2
TEST
1
GNDL
GNDA
V
CC
L
V
CC
A
264
263
262
261
260
259
258
257
256
255
254
253
252
251
250
249
248
247
246
245
244
243
242
241
CHIP SURFACE
240 OS
240
NOTE :
Doesn't prescribe TCP outline.
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
1

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