MCOB128064JX-WM

Graphic OLED, 128 x 64 Pixels, White on Black, 3V to 5V, I2C, Parallel, SPI, 75mm x 52.7mm

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Manufacturer: MIDAS DISPLAYS
Product type: Graphic OLED Displays
Resolution:128 x 64 Pixels; Display Appearance:White on Black; Logic Voltage:3V to 5V; Interface Type:I2C, Parallel, SPI; Module Size:75mm x 52.7mm; Operating Temperature Min:-40°
SVHC: No SVHC (25-Jun-2025)
Resolution: 128 x 64 Pixels
Module Size: 75mm x 52.7mm
Logic Voltage: 3V to 5V
Product Range: -
Interface Type: I2C, Parallel, SPI
Display Appearance: White on Black
Display Construction: COB
Operating Temperature Max: 80°C
Operating Temperature Min: -40°C

Delivery and price
Units per pack	100
Price	31.14 €
Current stock	10+
Lead time	30 days

Datasheet

**Sauls Wharf House Crittens Road Great Yarmouth Norfolk NR31 0AG** 

Telephone +44 (0)1493 602602 Email:sales@midasdisplays.com Email:tech@midasdisplays.com www.midasdisplays.com 

|MCOB128064JX-WM|MCOB128064JX-WM|128 x 64|128 x 64|OLED Module|
|---|---|---|---|---|
|**Specification **|||||
|Version:    1|||Date:05/05/2016||
|**Revision**|||||
|1|05/05/2016||First Issue||



|DisplayFeatures|DisplayFeatures|||
|---|---|---|---|
|Resolution|128 x 64|||
|Appearance|White on Black|||
|Logic Voltage|3/5V|||
|Interface|Multi|||
|Module Size|75.00 x 52.70 x 7.50mm|||
|OperatingTemperature|-40°C ~ +80°C|BoxQuantity|Weight / Display|
|Construction|COB|---|---|



* - For full design functionality, please use this specification in conjunction with the SSD1309 specification. (Provided Separately) 

|**Display Accessories**|**Display Accessories**|
|---|---|
|**Part Number**|**Description**|



|**Optional Variants**||
|---|---|
|**Appearance**|**Voltage**|



Page 1 of 7 

## Functions and Features 

- 128 X 64 Graphic 

- Built ‐ in controller 

- viewing angle Free 

- Wide Temperature  -40 ℃ ~ +80 ℃ ( Operating) 

- RoHS compliant 

## **Mechanical Specification** 

|Item|Description||
|---|---|---|
|Product No.|MCOB128064JX-WM||
|Inch|2.42”||
|Color|White||
|Active Area|55.01(W)×27.49(H)|mm|
|Module Size|75.00(W)×52.70(H)×7.50(D)|mm|
|Dot Size|0.40(W)×0.40(H)|mm|
|Dot Pitch|0.43(W)×0.43(H)|mm|
|Display Format|128×64||
|Duty Ratio|1/64 Duty|Duty|
|Controller|SSD1309 or Equivalent||
|Operation Temperature|-40~80|°C|
|Storage Temperature|-40~85|°C|
|Response Time|≤10|us|



Page 2 of 7 

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## **Pin Description** 

## **Power Supply** 

|Pin No.|Symbol|Level|Description|
|---|---|---|---|
|1|VDD|3~5V|Supply voltage for logic|
|2|VSS|0V|Ground|
|3|NC|-|No connection|
|4~11|DB0~DB7|H/L|Data bus line|
|12|/CS|H/L|Chip select pin|
|13|NC|-|No connection|
|14|/RES|H/L|Hardware reset pin|
|15|WR|H/L|8080: data write enable pin<br>6800: Read/Write select pin|
|16|RS|H/L|H: Data; L: Command.|
|17<br>~~ee~~|RD<br>~~ee~~|H/L<br>~~ee~~|8080: data read enable pin<br>6800: Read/Write enable pin<br>~~ee~~|
|18<br>~~ee~~|NC<br>~~ee~~|-<br>~~ee~~|No connection<br>~~ee~~|
|19|DISP|H/L or NC|L:OLEDM display off     H or NC: display on|
|20|NC|-|No connection|



※80 Series Interface is Default (6800.SERIAL.I **2** C interface is option) 

**Table: MCU Bus Interface Pin Selection** 

|Pin Name.<br>~~——~~|**I2C Interface**<br>~~——~~|**6800- parallel interface**<br>~~——~~|**8080- parallel interface**<br>~~——~~|**Serial interface**<br>~~——~~|
|---|---|---|---|---|
|JB1<br>~~——~~|1(H)<br>~~——~~|0(L)<br>~~——~~|1(H)<br>~~——~~|0(L)<br>~~——~~|
|JB2<br>~~——~~|0(L)<br>~~——~~|1(H)<br>~~——~~|1(H)<br>~~——~~|0(L)<br>~~——~~|



(1) 0 (L) is connected to VSS 

(2) 1 (H) is connected to VDD 

Page 4 of 7 

## **DC Characteristics** 

|**Item**|**Symbol**|**Condition**|**Min.**|**Type**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|
|Supply Voltage for Logic|VDD - VSS|-|1.65|3~5|5.3|Volt|
|Input High Volt.|VIH|-|0.8 VDD|-|-|Volt|
|Input Low Volt.|VIL|-|-|-|0.2 VDD|Volt|
|Output High Volt.|VOH|-|0.9 VDD|-|-|Volt|
|Output Low Volt.|VOL|-|-|-|0.1 VDD|Volt|
|SupplyCurrent|IDD|-|-|120|-|mA|



## **Optical Characteristics** 

|**Optical Characteristics**||
|---|---|
|Item<br>Symbol<br>Conditions<br>Min.<br>Typ<br>Max.<br>Unit<br>Brightness(White)<br>Lbr<br>Note 5<br>80<br>-<br>cd/㎡<br>C.I.E. (White)<br>(X)<br>(Y)<br>C.I.E 1931<br>0.25<br>0.27<br>0.29<br>0.31<br>0.33<br>0.35<br>Dark Room Contrast<br>CR<br>-<br>-<br>>10000:1<br>-<br>Viewing angle range<br>-<br>-<br>-<br>Free<br>-<br>Degree<br>~~SSSSSree~~||
|**Absolute Maximum rating**<br>**Item**<br>**Symbol**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Unit**<br>**Notes**<br>Supply Voltage for Logic<br>VDD<br>-0.3<br>-<br>5.5<br>Volt<br>1,2<br>Life Time (60 cd/㎡)<br>---<br>70,000<br>---<br>Hour<br>3<br>~~SS~~||



## **AC Characteristics** 

Please refer “SSD1309 specification. 

Page 5 of 7 

Page 6 of 7 

<Power down Sequence> 

<Entering Sleep Mode> 

<Exiting Sleep Mode> 

Page 7 of 7

Updated at April 27, 2026

Midas Displays is a recognized specialist in the electronic display industry, dedicated to providing high-quality visual solutions tailored to a wide range of applications. Backed by a UK-based, in-house team of engineers, the company is known for its extensive technical knowledge and commitment to delivering fast, reliable service. This expertise ensures that designers and manufacturers receive best-in-class support when integrating displays into their projects. The core of the Midas Displays portfolio features an extensive selection of Liquid Crystal Displays (LCD). Ranging from standard character and graphic modules to advanced configurations, these LCD displays are engineered for exceptional clarity and durability. Designed to meet the rigorous demands of various industries, they provide reliable performance for both industrial and commercial applications requiring robust and cost-effective visual output. Complementing their primary LCD offerings, Midas Displays also provides a versatile range of Organic Light Emitting Diode (OLED) displays. These advanced modules deliver high-contrast, energy-efficient viewing solutions ideal for modern, compact electronic designs. To ensure seamless integration across all display types, the company supports its core products with a variety of complementary accessories, including touch screens, interconnects, and evaluation kits.

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