MK40DX256VMC7 Datasheet, NXP

* Operating Characteristics
  – Voltage range: 1.71 to 3.6 V
  – Flash write voltage range: 1.71 to 3.6 V
  – Temperature ra.

........................................................................3 6.1.2 JTAG electricals....................................................22 2.2 Format...............................................................................3 6.2 S.