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SED1220

Features: `Built-in data display RAM 36 characters + 4 user defined characters + 120 symbols.`CG ROM (For up to 256 characters), CG RAM (for 4 characters) and symbol register (for 120 symbols).`No. of display digit and lines< In normal mode > (1) (12 digits + 4 segments for signal) * 3 line...

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SeekIC No. : 004487437 Detail

SED1220: Features: `Built-in data display RAM 36 characters + 4 user defined characters + 120 symbols.`CG ROM (For up to 256 characters), CG RAM (for 4 characters) and symbol register (for 120 symbols).`No....

SED1220 Data Sheet

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Part Number:
SED1220
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: 2025/12/12

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Product Details

Description



Features:

`Built-in data display RAM 36 characters + 4 user defined characters + 120 symbols.
`CG ROM (For up to 256 characters), CG RAM (for 4 characters) and symbol register (for 120 symbols).
`No. of display digit and lines
< In normal mode >
  (1) (12 digits + 4 segments for signal) * 3 lines + 120 symbols + 5 static symbols (SED1220D]])
  (2) (12 digits + 4 segments for signal) *2 lines + 120 symbols + 5 static symbols (SED1221D]])
  (3) 12 digits*2 lines + 120 symbols + 5 static symbols (SED1222D]A)
  (4) 12 digits*2 lines + 120 symbols + 10 static symbols (SED122AD]B)
< In standby mode >
  (1) 5 static symbols
  (2) 5 static symbols
`Built-in CR oscillation circuit (C and R contained)
`Accepts external clock input
`High-speed MPU interface
  Affords interface with both 68/80 system MPUs
  Affords interface through 4 bits and 8 bits
`Affords serial interface
`Character font consists of 5* 8 dots
`Duty ratio (1) 1/26 (2) 1/18
`Simplified command setting
`Built-in power circuit for driving liquid crystal
  Power amplifier circuit, power regulation circuit and voltage followers* 4
`Built-in electronic volume function
`Low power consumption
  80 mA max. (In normal operation, including operating current of the power supply).
  TBD mA max. (In standby mode for displaying static icon).
  TBD mA max. (In sleeping mode when display is turned off).
`Power supply
  VDD - VSS 2.4 V to 3.6 V
  VDD - V5 4.0 V to 6.0 V
`Temperature range for wide range operation
  Ta = 30 to 85°C
`CMOS process
`Shipping style
  Chip (Al pad product) SED1222D]A
  Chip (Au bump product) SED122]D]B TCP SED122]T]]
`This unit does not employ radiation protection design


Specifications

Rating Symbol Value Unit
Power supply voltage (1) VSS 6.0 to +0.3 V
Power supply voltage (2) V5 6.0 to +0.3 V
Power supply voltage (3) V1, V2, V3, V4 V5 to +0.3 V
Input voltage VIN VSS0.3 to +0.3 V
Output voltage VO VSS0.3 to +0.3 V
Operating temperature Topr 30 to +85 °C
Storage temperature TCP Tstr 55 to +100 °C
Bare chip 65 to +125

Notes: 1. All the voltage values are based on VDD = 0 V.
2. For voltages of V1, V2, V3 and V4, keep the condition of VDD V1 V2 V3 V4V5 and VDDVSSV5 VOUT at all times.
3. If the LSI is used exceeding the absolute maximum ratings, it may lead to permanent destruction.
In ordinary operation, it is desirable to use the LSI in the condition of electrical characteristics. If the LSIis used out of this condition, it may cause a malfunction of the LSI and have a bad effect on the reliability of the LSI.




Description

SED1220 is a dot matrix LCD controller/driver for character display. Using 4bits data, 8bits data or serial data being provided from the micro computer, it displays up to 24 characters, 4 user defined characters and up to 120 symbols. Up to 256 types of built-in character generator ROMs are prepared. Each character font is consisted of 5 ´ 8 dots. It also contains the RAM for displaying 4 user defined characters each font consisting of 5 ´ 8 dots. It is symbol register allows character display with high degree of freedom. This handy equipment can be operated with minimum power consumption with its low power consumption design, standby and sleeping mode.




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