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LC75804E

Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.• 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.• Capable of driving up to...

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LC75804E: Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.• 1/2...

LC75804E Data Sheet

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Part Number:
LC75804E
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.)
• 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.
• 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.
• Capable of driving up to 228 segments using 1/3 duty and up to 300 segments using 1/4 duty.
• Sleep mode and all segments off functions that are controlled from serial data.
• Segment output port/general-purpose output port function switching that is 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.
• Independent VLCD for the LCD driver block (VLCD can be set to in the range VDD 0.5 to 6.0 volts.)
• Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays.
• RES pin provided for forcibly initializing the IC internal circuits.
• RC oscillator circuit.


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions
Ratings
Unit
Maximum supply voltage VDDmax VDD
0.3 to +7.0
V
VFL max VLCD
0.3 to +7.0
Input voltage VIN1 CE, CL, DI, RES
0.3 to +7.0
V
VIN2 OSC,TEST
0.3 to VDD +0.3
VIN3 VLCD1, VLCD2, KI1 to KI5
0.3 to VLCD+ 0.3
Output voltage VOUT1 DO
0.3 to +7.0
V
VOUT2 OSC
0.3 to VDD +0.3
VOUT3 S1 to S76, COM1 to COM4, KS1 to KS6, P1 to P8
0.3 to VLCD +0.3
Output current IOUT1 S1 to S76
300
A
IOUT2 COM1 to COM4
3
mA
IOUT3 KS1 to KS6
1
IOUT4 P1 to P8
5
Allowable powerdissipation Pdmax Ta = 85
200
mW
Operating temperature Topr
40 to +85
Storage temperature Tstg
50 to +125



Description

The LC75804E and LC75804W are 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 300 segments and can control up to eight 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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