MTCH6301 PROJECTED CAPACITIVE TOUCH CONTROLLER

DS41663A-page 22

 2012 Microchip Technology Inc.

8.3

AC Characteristics and Timing

Parameters

FIGURE 8-1:

TABLE 8-4:

PIN INPUT AND OUTPUT SPECIFICATIONS

Symbol

Characteristic / Pins

Min.

Max.

Units

Conditions

Input Low Voltage

RX, TX

V—

SDA, SCL

V

Note 1

Input High Voltage

RX, TX

0.65 VDD

V

Note 1

SDA, SCL

0.65 VDD

V

Note 1

Output Low Voltage

INT, RX, TX

0.4

V

SDA, SCL

0.4

V

Output High Voltage

INT, RX, TX

2.4

V

SDA, SCL

—

—

V

Note 2

Transition high-to-low

2.0

2.3

V

Min. not tested

Note 1:

Parameter is characterized, but not tested.

2:

Open drain structure.

TABLE 8-5:

AC CHARACTERISTICS AND TIMING PARAMETERS

Symbol

Characteristic

Min.

Typ.

Max

Units

Conditions

TPU

Power-up Period

—

400

—

µs

Notes 1, 2

TBOR

Brown-out Pulse Width (Low)

—

1

—

µs

Note 1

Note 1:

Parameter is characterized, but not tested.

2:

Power-up period is for core operation to begin, and does not reflect response time to a touch.