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SED1235

Features: `Built-in display RAM 48 characters + 4 user-defined characters + 48 symbols`CG ROM (for up to 256 characters), CG RAM (4 characters), and symbol register (48 symbols)`Number of display columns x number of lines (12 columns + 2 segment for signal) x 4 lines + 48 symbols: SED1234 (12 colu...

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SeekIC No. : 004487441 Detail

SED1235: Features: `Built-in display RAM 48 characters + 4 user-defined characters + 48 symbols`CG ROM (for up to 256 characters), CG RAM (4 characters), and symbol register (48 symbols)`Number of display co...

SED1235 Data Sheet

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Part Number:
SED1235
Supply Ability:
5000

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  • 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:

`Built-in display RAM
  48 characters + 4 user-defined characters + 48 symbols
`CG ROM (for up to 256 characters), CG RAM (4 characters), and symbol register (48 symbols)
`Number of display columns x number of lines
  (12 columns + 2 segment for signal) x 4 lines + 48 symbols: SED1234
  (12 columns + 2 segment for signal) x 2 lines + 48 symbols: SED1235
`CR oscillation circuit (on-chip C and R)
`High-speed MPU interface
  Interfacing with both 68 series and 80 series MPU
  Interfacing in 4 bits/8 bits
`Serial interface
`Character font 5 x 7 dots
`Duty ratio 1/16 (SED1235) 1/30 (SED1234)
`Simple command setting
`Built-in liquid crystal driving power circuit
  Power boosting circuit, power regulating circuit, voltage follower x 4
`Built-in electronic volume function
`Low power consumption
  100mA Max. (In normal operation mode: Including the operating current of the built-in power supply)
`Power supply
  VDD - VSS (logic section): 2.4 V to 3.6 V
  VDD - V5 (liquid crystal drive section): 5.0 V to 8.0 V
`Wide operating temperature range
  Ta = 30 to 85°C
`CMOS process (Pad Pitch)
`COB assemble 126mm Min.
`Delivery form: Chip SED123]D* A, SED123]D* C
`This IC is not designed with a protection against radioactive rays.


Specifications

Rating Symbol Value Unit
Power supply voltage (1) VSS 6.0 to +0.3 V
Power supply voltage (2) V5 16.0 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 75 to +125
 


Description

The SED1234, 1235 Series is a dot matrix LCD controller driver for character display, and can display a maximum of 48 characters, 4 user-defined characters, and a maximum of 48 symbols by means of 4-bit, 8-bit or serial data sent from a microcomputer.

A built-in character generator ROM is prepared for 256 character types, and each character font consists of 5 x 7 dots. A user-defined character RAM for four characters of 5 x 7 dots are incorporated, and a symbol register is also incorporated. With these, it is possible to apply this Series to display with a high degree of freedom. This Series can operate handy units with a minimum power consumption by means of its low power consumption and sleep mode.

SED1234, and 1235 depending on the duty of use and the number of display columns.




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