MK712S Overview
In terms of packaging, this product comes in a Tube package.As part of the 28-SOIC (0.295, 7.50mm Width) package.Data acquisition performance is improved by adapting the Parallel interface to the device.Surface Mount-axis mounting is done.In case your meter doesn't read 3V~5.5V for the supply voltage, you should rewire the unit.There is a base part number for this device, MK712.Designed specifications can be met by this device with a current of 5mA.
MK712S Features

MK712S Applications
There are a lot of Renesas Electronics America Inc.
MK712S Touch Screen Controllers applications.

Digital Multimeters, PLC's (Programming Logic Controllers)
RADAR processing, digital oscilloscopes
CMOS Image sensors for mobile applications
Medical Instrumentation and medical imaging
Music recording
Digital signal processing
Scientific instruments
Rotary encoder
Displaying
Transducer

Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295, 7.50mm Width)
Packaging	Tube
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Voltage - Supply	3V~5.5V
Base Part Number	MK712
Interface	Parallel
Current - Supply	5mA
Resolution (Bits)	12 b
Touchscreen	4 Wire Resistive
RoHS Status	Non-RoHS Compliant