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PDF LC79431KNE Data sheet ( Hoja de datos )
| Número de pieza | LC79431KNE | |
| Descripción | Dot-Matrix LCD Drivers | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA2124
LC79431KNE
CMOS LSI
Dot-Matrix LCD Drivers
http://onsemi.com
Overview
The LC79431KNE is a large-scale dot matrix LCD common driver LSI. The LC79431KNE contains an 80-bit
bidirectional shift register and is equipped with a 4-level LCD driver. The input/output pins for cascade connection can
be used to further increase the IC’s number of bits. The LC79431KNE can be used in conjunction with segment driver
LC79401KNE (QIP100E) to drive a wide-screen LCD panel.
Features
• On-chip LCD drive circuit (80 bits)
• Display duty selection ranging from 1/64 to 1/256
• On-chip input/output pins support a further increases in bit number
• Supports externally supplied bias voltage
• Operating power supply voltage/operating temperature include
VDD (Logic section) : 2.7 to 5.5V/-20 to +85°C
VDD-VEE (LCD section) : 12 to 32V/-20 to +85°C
• CMOS process
• 100-pin flat plastic package (QIP100E)
Semiconductor Components Industries, LLC, 2013
July, 2013
91912HKPC 20080310-S00005 No. A2124-1/7
1 page  
Pin Function
Pin No
Symbol
90 VDD
92 VSS
84 VEE
87 V1
86 V2
85 V5
96 CP
98 DIO1
82 DIO80
91 RS/LS
94 M
89 DISPOFF
1 O1
80 O80
81
83
88
93
NC
95
97
99
100
LC79431KNE
I/O
Supply
VDD-VSS : Logic power supply
VDD-VEE : LCD drive circuit power supply
Function
Supply
I
LCD drive level power supply
V1, VEE : Selected level
V2, V5 : Unselected level
Bidirectional shift register shift clock (falling edge trigger)
I/O RS/LS
I/O L (Shift right)
I H (Shift left)
Data Transfer Direction
O1 → O80
O80 → O1
DIO1
IN
OUT
DIO80
OUT
IN
I LCD drive output alternation signal
I O1 to O80 output controlling input pins.
LCD drive outputs
The output levels are determined by the combination of the output the data,
The M signal, and the DISPOFF pin as shown in the table.
M
Data
DISPOFF
Output
L L H V2
O L H H VEE
H L H V5
H H H V1
**
* Don’t care (May be set to either “H” or “L”)
L
V1
- Must be left open.
No. A2124-5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LC79431KNE.PDF ] | |
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