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EM83040B

Features: (1) Supply power: 2.5~5.5V(2) LCD drive voltage: 3.6 to15V(3) Internal RAM: 2.5k x 4 bits(4) RAM can be controlled by eight signals including four bits data bus.(5) Duty: 1/32, 1/48, 1/64, 1/80(6) Build in DC/DC converter: double, triple, quad and five times.(7) Modularized function: con...

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SeekIC No. : 004336106 Detail

EM83040B: Features: (1) Supply power: 2.5~5.5V(2) LCD drive voltage: 3.6 to15V(3) Internal RAM: 2.5k x 4 bits(4) RAM can be controlled by eight signals including four bits data bus.(5) Duty: 1/32, 1/48, 1/64,...

EM83040B Data Sheet

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Part Number:
EM83040B
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/13

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Product Details

Description



Features:

(1) Supply power: 2.5~5.5V
(2) LCD drive voltage: 3.6 to15V
(3) Internal RAM: 2.5k x 4 bits
(4) RAM can be controlled by eight signals including four bits data bus.
(5) Duty: 1/32, 1/48, 1/64, 1/80
(6) Build in DC/DC converter: double, triple, quad and five times.
(7) Modularized function: connect to another 83040B to extent LCD matrix
(8) One DC converter enabled and other 83040B can share with this.
(9) Internal regulator output for DC/DC converter controlled by control register.
(10) Chip form (EM83040BH), 128 pin package (14mm x 20mm EM83040BAQ), 160 pin package (EM83040BBQ)
(11) Bias: 1/5 (32 COMMON), 1/7 (48 COMMON), 1/9 (64 and 80 COMMON) fixed by internal circuit.
(12) Internal RC clock about 250 KHz.


Application

(1) Data Bank
(2) LCD toy
(3) Education computer


Pinout

Connection Diagram


Specifications

RATING
SYMBOL
VALUE
UNIT
DC SUPPLY VOLTAGE
VDD
< 3.5
V
INPUT VOLTAGE
Vin
-0.5 to Vdd ± 0.5
V
OPERATING TEMPERATURE RANGE
Ta
-30 to 80
STEP-UP VOLTAGE VOUT
<18
V



Description

The EM83040B is a dot matrix LCD driver, which is fabricated by low power CMOS technology. This chip includes 80-bits shift register, 80 bits data latch and 80 bits level driver. A LCD RAM inside can be mapping to LCD signal. It converts RAM data to parallel data and output waveform to LCD.




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