Datasheet

MTCH6301 PROJECTED CAPACITIVE TOUCH CONTROLLER
DS41663A-page 22  2012 Microchip Technology Inc.
8.3 AC Characteristics and Timing
Parameters
FIGURE 8-1: I
2
C™ BUS START/STOP BIT TIMING CHARACTERISTICS
TABLE 8-4: PIN INPUT AND OUTPUT SPECIFICATIONS
Symbol Characteristic / Pins Min. Max. Units Conditions
V
IL Input Low Voltage
RX, TX VSS 0.15 VDD V—
SDA, SCL V
SS 0.3 VDD V Note 1
VIH Input High Voltage
RX, TX 0.65 VDD VDD V Note 1
SDA, SCL 0.65 VDD V
DD V Note 1
VOL Output Low Voltage
INT, RX, TX VSS 0.4 V IOL < 10 mA, VDD = 3.3V
SDA, SCL V
SS 0.4 V IOL < 10 mA, VDD = 3.3V
(1,2)
VOH Output High Voltage
INT, RX, TX 2.4 VDD V IOH < 10mA, VDD = 3.3V
SDA, SCL — — V Note 2
V
BOR Brown-out event on VDD
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.