LC75817E Selling Leads, Price trend, LC75817E DataSheet download, circuit diagram from SeekIC.com

Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• Controls and drives a 5×7, 5 ×8, or 5 ×9 dot matrix LCD.• Supports accessory display segment drive (up to 60 segments)• Display technique: 1/8 duty 1/4 bias drive (5 ×7 d...

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SeekIC No. : 004392124 Detail

LC75817E: Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• Controls and drives a 5×7, 5 ×8, or 5 ×9 dot matrix LCD.• Supports accessory...

LC75817E Data Sheet

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Part Number:: LC75817E
Supply Ability:: 5000

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1~5000

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Negotiable

Processing time
15 Days

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Upload time: 2025/12/6

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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.)
• Controls and drives a 5×7, 5 ×8, or 5 ×9 dot matrix LCD.
• Supports accessory display segment drive (up to 60 segments)
• Display technique: 1/8 duty 1/4 bias drive (5 ×7 dots)
   1/9 duty 1/4 bias drive (5 × 8 dots)
   1/10 duty 1/4 bias drive (5 ×9 dots)
• Display digits: 12 digits× 1 line (5× 7 dots, 5 × 8 dots)
                          11 digits×1 line (5 ×9 dots)
• Display control memory
   CGROM: 240 characters (5 × 7, 5 ×8, or 5 × 9 dots)
   CGRAM: 16 characters (5 ×7, 5× 8, or 5 × 9 dots)
   ADRAM: 12 ×5 bits
   DCRAM: 48 × 8 bits
• Instruction function
   Display on/off control
   Display shift function
• Sleep mode can be used to reduce current drain.
• Built-in display contrast adjustment circuit
• Up to 4 general-purpose output ports are included.
• Serial data I/O supports CCB format communication with the system controller.
• Independent LCD drive block power supply VLCD
• A voltage detection type reset circuit is provided to initialize the IC and prevent incorrect display.
• 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	V_DDmax	V_DD	0.3 to +7.0	V
Maximum supply voltage	V_LCDmax	V_LCD	0.3 to +11.0	V
Input voltage	V_IN¹	CE, CL, DI, INH	0.3 to +7.0	V
	V_IN²	OSCI, KI1 to KI5, TEST	0.3 to V_DD +0.3	V
	V_IN³	V_LCD¹, V_LCD², V_LCD³, V_LCD⁴	0.3 toV _LCD+ 0.3	V
Output voltage	V_OUT¹	DO	0.3 to +7.0	V
	V_OUT²	OSCO, KS1 to KS6, P1 to P4	0.3 to V_DD +0.3	V
	V_OUT³	V_LCD⁰, S1 to S60, COM1 to COM10	0.3 to V_LCD+0.3	V
Output current	I_OUT¹	S1 to S60	300	A
	I_OUT²	COM1 to COM10	3	mA
	I_OUT³	KS1 to KS6	1	mA
	I_OUT⁴	P1 to P4	5	mA
Allowable powerdissipation	Pdmax	Ta = 85	200	mW
Operating temperature	Topr		40 to +85
Storage temperature	Tstg		50 to +125

Description

The LC75817E and LC75817W are 1/8 to 1/10 duty dot matrix LCD display controller/drivers that supports the display of characters, numbers, and symbols. In addition to generating dot matrix LCD drive signals based on data transferred serially from a microcontroller, the LC75817E and LC75817W also provide on-chip character display ROM and RAM to allow display systems to be implemented easily. These products also provide up to 4 general-purpose output ports and incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.

LC75817E

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