256x64 OLED, OLED 256x64 - RET025664B
256x64 OLED, OLED 256x64 - RET025664B
256x64 OLED, OLED 256x64 - RET025664B
256x64 OLED, OLED 256x64 - RET025664B

256x64 OLED, Graphic OLED Module 3.12"

Model No. RET025664B

RET025664BW - Emitting Color : White
RET025664BY - Emitting Color : Yellow
RET025664BG - Emitting Color : Green(might have MOQ)
RET025664BS - Emitting Color : Sky Blue(might have MOQ)

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure TAB
Size 3.12 inch
Dot Matrix (Resolution) 256 × 64 dots
Module Dimension 88.0 × 27.8 × 2.05 mm
View Area 78.78 × 21.18 mm
Active Area 76.778 × 19.178 mm
Dot Size 0.278 × 0.278 mm
Dot Pitch 0.3 × 0.3 mm
Emitting Color OLED, White / Yellow / Green / Sky Blue
Display Mode Passive Matrix
Built-in Controller SSD1322UR1
Interface 8080, 6800, SPI
Power Supply 3V
Duty 1/64 duty
Polarizer Type Polarizer optional
Type OLED Graphic Display
Pin No. Symbol Description
1 NC No Connection
2 VSS Ground Pin
3 VCC Panel driving voltage
4 VCOMH COM deselected level
5 VLSS Analog system ground pin
6~13 D7~D0 Data Bus
14 E/RD# Chip Enable Signal
15 R/W# Read/Write Control
16 BS0 Interface selection
17 BS1 Interface selection
18 D/C# Data/Command Control Pin
19 CS# Chip Select Pin
20 RES# Reset Signal Pin
21 FR Not Connected
22 IREF SEG output current refer pin
23 NC No Connection
24 VDDIO Voltage for interface logic
25 VDD Voltage for logic
26 VCI Low voltage power supply
27 VSL SEG voltage refer Pin
28 VLSS Analog system ground pin
29 VCC Panel driving voltage
30 NC No Connection

Item Symbol Condition Standard Value Unit
min. typ. max.
Input Voltage VCI --- 2.8 3.0 3.3 V
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