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PDF LH1691 Data sheet ( Hoja de datos )
| Número de pieza | LH1691 | |
| Descripción | 240-output TFT-LCD Gate Driver IC | |
| Fabricantes | Sharp Electrionic Components | |
| Logotipo |  |
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LH1691
LH1691
DESCRIPTION
The LH1691 is a 240-output TFT-LCD gate driver
IC.
FEATURES
• Number of LCD drive outputs : 240
• LCD drive output sequence :
Output shift direction can be selected
OG1/OG240 or OG240/OG1
• Cascade connection :
Max. 2 cascades (internal counting system)
• Usable with both positive/negative power supplies
• Output mode selection
– Normal mode (1-pulse scanning)
– Continuous 2-pulse mode (2-pulse scanning)
– Jumping 2-pulse mode (2-pulse scanning)
• LCD drive voltage : +16.0 to +33.0 V
• Operating temperature : –30 to +85 ˚C
• Package : 258-pin TCP (Tape Carrier Package)
240-output TFT-LCD Gate Driver IC
PIN CONNECTIONS
258-PIN TCP
TOP VIEW
VDD 258
VEE 257
VSS 256
VCC 255
VLS 254
TEST1 253
TEST2 252
CKV 251
SPV 250
CE 249
R/L 248
MODE1 247
MODE2 246
VLS 245
VCC 244
VSS 243
VEE 242
VDD 241
NOTE :
Doesn't prescribe TCP outline.
1 OG1
2 OG2
3 OG3
238 OG238
239 OG239
240 OG240
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
1 page  
Functional Operations
(1) Example of Cascade Sequence
CE = "H"
CE = "L"
OG1
OG240
OG1
OG240
TFT-LCD Panel
Scanning Direction When R/L = "L".
Scanning Direction When R/L = "H".
LH1691
* At this time, normal mode (scanning with 1 pulse) is set when MODE1 = "H" and MODE2 = "H",
jumping 2-pulse mode (scanning with 2 pulses) is set when MODE1 = "H" and MODE2 = "L",
continuous 2-pulse mode (scanning with 2 pulses) is set when MODE1 = "L" and MODE2 = "H", and
output VEE level is set when MODE1 = "L" and MODE2 = "L".
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5 Page 
LH1691
(VLS = +5.0±0.5 V (= VCC – VSS), TOPR = –30 to +85 ˚C)
PARAMETER SYMBOL
Input "Low" voltage
VIL
Input "High" voltage VIH
Output "Low" voltage VOL
Output "High" voltage VOH
Input "Low" current
IIL
Input "High" current
IIH
IDD
Supply current (1)
ILS
ICC
IEE
IDD
Supply current (2)
ILS
ICC
IEE
IDD
Supply current (3)
ILS
ICC
IEE
CONDITIONS
IOL = 0.4 mA
IOH = –0.4 mA
VI = 0 V
VI = VLS
For
1-pulse mode
For jumping
2-pulse mode
For continuous
2-pulse mode
APPLICABLE PINS
CKV, SPV, MODE1,
MODE2, CE, R/L
OG1-OG240
CKV, SPV, MODE1,
MODE2, CE, R/L
MIN. TYP. MAX. UNIT
0.2VLS V
0.8VLS
V
VEE + 0.4 V
VDD – 0.4
V
5.0 µA
5.0 µA
50 µA
150 µA
80 µA
40 µA
100 µA
300 µA
100 µA
40 µA
100 µA
300 µA
100 µA
40 µA
NOTE
1
2
3
4
NOTES :
1. All input pins : 5 V
2. CKV : Frequency = 31 kHz, "L" period width tWL = 16.2 µs
SPV : Frequency = 60 Hz
Other input pins : 5 V
All output pins are opened.
3. CKV : Frequency = 31 kHz, "L" period width tWL = 16.2 µs
SPV : Frequency = 60 Hz
MODE2 : 0 V
Other input pins : 5 V
All output pins are opened.
4. CKV : Frequency = 31 kHz, "L" period width tWL = 16.2 µs
SPV : Frequency = 60 Hz
MODE1 : 0 V
Other input pins : 5 V
All output pins are opened.
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet LH1691.PDF ] | |
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