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Toshiba Launches 8 Megapixel CMOS Image Sensor for Smartphones and Tablets

Toshiba Corporation (TOKYO: 6502) today announced the launch of “T4KA3”, an 8-megapixel BSI[1] CMOS image sensor that allows smartphones and tablets to record HD video at 240 equivalent frames per second (fps), the industry’s highest[2] frame rate. Sample shipments start today.

Toshiba: 8 Megapixel CMOS image sensor "T4KA3" for smartphones and tablets (Photo: Business Wire)

Toshiba: 8 Megapixel CMOS image sensor "T4KA3" for smartphones and tablets (Photo: Business Wire)

High speed video recording requires a high frame rate with short exposure time, resulting in underexposed images. “T4KA3” incorporates “Bright Mode” technology that boosts image brightness up to four times, realizing HD video capture at 240 fps equivalent. It allows smartphones and tablets to record high quality, high speed video, and to offer extended imaging functions including smooth slow motion playback and high speed continuous shooting.

The sensor also adopts a newly developed low power circuit design that reduces power consumption to 85% that of “T4K35”, an 8-megapixel sensor in mass production.

The sensor incorporate 8Kbit OTP[3] that can store two conditions of lens shading correction data. It can recognize light conditions and change the correction data by one command of I2C.

The T4KA3’s is also in the smallest class for 8M sensors [2] supporting HDR.


Output Frame Rate (Max.)

Sensor output mode

(Output pixels)

  Normal mode

(Progressive output)


Bright mode

(Interlaced output)

(After progressive conversion

8M (3280 x 2464) 30 fps

Full-HD (Crop:1920 × 1080)

60 fps

HD (Crop&binning:1280 × 720)

120 fps

240 fps

WVGA (Crop&binning:800 × 480)


200 fps


400 fps


Main Specifications

Part Number   T4KA3
Output Pixels 8 megapixels
Optical Size 1/4 inch
Pixel Pitch 1.12 micrometer BSI
Recommended Module Size 8.5 mm x 8.5 mm (Auto focus type)

6.7 mm x 6.7 mm (Fixed focus type)

Sample Price 1,200 Yen
Mass Production Schedule April, 2015
Mass Production Volume   8 million pieces per month

[1] BSI: Back Side Illumination.
[2] Research by Toshiba, as of August 6, 2014.
[3] One Time Programmable read only memory

For further information about this product, please visit:

For further information about “Bright mode”, please visit:

For further information about “HDR”, please visit:

Customer Inquiries:
Image Sensor Sales & Marketing Department
Tel: +81-3-3457-3370

Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba

Toshiba Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into five strategic business domains: Energy & Infrastructure, Community Solutions, Healthcare Systems & Services, Electronic Devices & Components, and Lifestyles Products & Services. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations towards securing “Growth Through Creativity and Innovation”, and is contributing to the achievement of a world in which people everywhere live in safe, secure and comfortable society.

Founded in Tokyo in 1875, today’s Toshiba is at the heart of a global network of over 590 consolidated companies employing over 200,000 people worldwide, with annual sales surpassing 6.5 trillion yen (US$63 billion).

To find out more about Toshiba, visit

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