TM1628 Display Driver IC 7 Digit Seven Segment Display Driver IC - 8x2 Key scan - I2C/ TWI Interface - SOIC28 Part No: TM1628 51.75 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Advance technology Low power consumption Multi-display modes Key scanning (8 x 2 matrix) 8 step dimming circuitry Specifications Advance technology Supply voltage : 5V to 7V Logic input voltage : -0.5 to VD D + 0.5 Logic supply voltage : 4.5V to 5.5V Low power consumption Multi-display modes Key scanning (8 x 2 matrix)