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LC75874W

Features: • Support for 1/4-duty 1/2-bias or 1/4-duty 1/3-bias drive techniques under serial data control (up to 264 segments)• Serial data input supports CCB format communication with the system controller.• Serial data control of the power-saving mode based backup function and ...

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SeekIC No. : 004392166 Detail

LC75874W: Features: • Support for 1/4-duty 1/2-bias or 1/4-duty 1/3-bias drive techniques under serial data control (up to 264 segments)• Serial data input supports CCB format communication with t...

LC75874W Data Sheet

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Part Number:
LC75874W
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Support for 1/4-duty 1/2-bias or 1/4-duty 1/3-bias drive techniques under serial data control (up to 264 segments)
• Serial data input supports CCB format communication with the system controller.
• Serial data control of the power-saving mode based backup function and the all segments forced off function.
• Serial data control of switching between the segment output port and general-purpose output port functions.
• High generality, since display data is displayed directly without the intervention of a decoder circuit.
• Independent VLCD for the LCD driver block (VLCD can be set to any voltage in the range 2.7 to 6.0 V, regardless of the logic block power-supply voltage.)
• TheINH pin allows the display to be forced to the off state.
• RC oscillator circuit




Pinout

Connection Diagram






Specifications

Parameter Symbol Conditions
Ratings
 Unit
Maximum supply voltage VDDmax VDD
0.3 to +7.0
V
VLCDmax VLCD
0.3 to +7.0
Input voltage VIN1 CE, CL, DI, INH
0.3 to +7.0
V
VIN2 OSC
0.3 to VDD + 0.3
VIN3 VLCD1, VLCD2
0.3 to VLCD + 0.3
Output voltage VOUT1 OSC
0.3 to VDD + 0.3
V
VOUT2 S1 to S66, COM1 to COM4, P1 to P8
0.3 to VLCD + 0.3
Output current IOUT1 S1 to S66
300
A
IOUT2 COM1 to COM4
3
mA
IOUT3 P1 to P8
5
Allowable power dissipation Pdmax Ta=85°C

200
mW
Operating temperature Topr
40 to +85
Storage temperature Tstg
50 to +125





Description

The LC75874E and LC75874W are 1/4-duty generalpurpose microprocessor-controlled LCD driver that can be used in applications such as frequency display in products with electronic tuning. In addition to being able to drive up to 264 segments directly, the LC75874E and LC75874W can also control up to 8 general-purpose output ports.

Since the LC75874E and LC75874W use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 V, regardless of the logic block power-supply voltage.






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