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LC75808W

Features: • Key input function for up to 30 keys (A key scan isperformed only when a key is pressed.)• 1/8duty1/4bias, 1/9duty1/4bias, and 1/10duty1/4biasdrive schemes can be controlled from serial data.1/8duty1/4bias: up to 480 segments1/9duty1/4bias: up to 540 segments1/10duty1/4bias...

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SeekIC No. : 004392115 Detail

LC75808W: Features: • Key input function for up to 30 keys (A key scan isperformed only when a key is pressed.)• 1/8duty1/4bias, 1/9duty1/4bias, and 1/10duty1/4biasdrive schemes can be controlled ...

LC75808W Data Sheet

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Part Number:
LC75808W
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:

• Key input function for up to 30 keys (A key scan is
performed only when a key is pressed.)
• 1/8duty1/4bias, 1/9duty1/4bias, and 1/10duty1/4bias
drive schemes can be controlled from serial data.
1/8duty1/4bias: up to 480 segments
1/9duty1/4bias: up to 540 segments
1/10duty1/4bias: up to 600 segments
• Sleep mode and all segments off functions that are controlled from serial data.
• Serial data I/O supports CCB format communication with the system controller.
• Direct display of display data without the use of a decoder provides high generality.
• Built-in display contrast adjustment circuit.
• Up to 4 general-purpose output ports are included.
• Independent LCD driver block power supply VLCD.
• Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays.
• The INH pin is provided. This pin turns off the display,disables key scanning, and forces the general-purpose output ports to the low level.
• 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 +12.0
Input voltage VIN1 CE, CL, DI, INH
0.3 to +7.0
V
VIN2 OSC, KI1 to KI5, TEST
0.3 to VDD +0.3
VIN3 VLCD1, VLCD2, VLCD3, VLCD4
0.3 to VLCD+ 0.3
Output voltage VOUT1 DO
0.3 to +7.0
V
VOUT2 OSC, KS1 to KS6, P1 to P4
0.3 to VDD +0.3
VOUT3 VLCD0, S1 to S60, COM1 to COM10
0.3 to VLCD +0.3
Output current IOUT1 S1 to S60
300
A
IOUT2 COM1 to COM10
3
mA
IOUT3 KS1 to KS6
1
IOUT4 P1 to P4
5
Allowable powerdissipation Pdmax Ta = 85
200
mW
Operating temperature Topr
40 to +85
Storage temperature Tstg
50 to +125





Description

The LC75808E and LC75808W are 1/8 to 1/10 duty LCD display drivers that can directly drive up to 600 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.






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