Below is information and specs for Elo's COACH AT Controller Chips. 

https://www.elotouch.com/touchscreen-components-coach-at-controller-chip.html

COACh AT Controller Chip Specifications

Part Number(s)
E196429

Technology
5-Wire Resistive (AccuTouch®)

Number of Touches
Single Touch

Input Methods
Finger
Gloved hand
Passive stylus

Dimensions
7 mm x 7 mm x 1.6 mm

Surface Treatment
Clear

Input Voltage
5V +/- 10%

Report Rate
10ms

Baud Rate
For RS232: 9600 (default) and 19200

Operating Temperature
-40°C to 85°C

Storage Temperature
-65°C to 125°C

Humidity
10% o 90% RH, noncondensing

Warranty
2-year

Controller Cables
Serial cable: P/N D16890-000
USB cable: P/N D38640-000
Dual serial/USB cable: P/N D40022-000

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