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SED1278F

Features: `Display RAM .............................. 80 bytes (80 characters)`Character generator ROM .......... 240 characters (Able to 256 characters)`Character generator RAM .......... 8 characters`Built-in CR oscillator, Built-in power-on reset circuit`Maximim display dimension ....... 40 cha...

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SeekIC No. : 004487445 Detail

SED1278F: Features: `Display RAM .............................. 80 bytes (80 characters)`Character generator ROM .......... 240 characters (Able to 256 characters)`Character generator RAM .......... 8 charact...

SED1278F Data Sheet

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Part Number:
SED1278F
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: 2025/12/26

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Product Details

Description



Features:

`Display RAM .............................. 80 bytes (80 characters)
`Character generator ROM .......... 240 characters (Able to 256 characters)
`Character generator RAM .......... 8 characters
`Built-in CR oscillator, Built-in power-on reset circuit
`Maximim display dimension ....... 40 characters52 lines, 80 characters51 line (When accompanied with SED1181FLA/DLA, SED1681FOA/DOA)
`1/8, 1/11 or 1/16 duty matirx drive (fixed by command)
`2 flame AC wave-form drive
`High-speed bus interface with 4-bit/8-bit MPU
`Powerful display control instructions
`Character ................................... 557 dots+Cursor line (558 dots also possible) 5510 dots+Cursor line
`6 Kinds of character font
`Single power supply ................... 5V±10% (Logic)
`Low LCD driving voltage ............ VDD-V50V
`Package ..................................... SED1278F: QFP5-80pin (plastic) SED1278D: Die form (Al pad)


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
Supply voltage (1) VDD 0.3 to 7.0 V
Supply voltage (2) V1 to V5 0.3 to VDD+0.3 V
Input voltage VI 0.3 to VDD+0.3 V
Output voltage VO 0.3 to VDD+0.3 V
Power dissipation PD 300 mW
Operating temperature Topr 20 to 75 °C
Storage temperature Tstg 65 to 150 °C
Soldering temperature and time Tsol 260°C•10s (at lead) -
Note: The following condition must always hold true: VDDV1V2V3V4V5


Description

The SED1278F/D is a dot matrix LCD controller/driver which is dedicated to character display. It is capable of displaying up to 80 characters under 4-bit/8-bit MPU control.

The built-in character generator ROM has an extended capacity of 240 different characters, each being generated in a 5×10 dots font compatible with a 1/11 duty. In addition, the SED1278F/D contains 64 bytes of character generator RAM in which the user can store 8 different characters, each consisting of 558 dots. These memory features offer high flexibility in character display.

The guaranteed minimum LCD driving voltage is 3V, and this makes the SED1278F/D suitable for driving low voltage LCDs.




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