3.1.3 Reset and Supply Monitor

Table 3.3. Reset and Supply Monitor

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

VDD Supply Monitor Threshold

Reset Trigger

1.7

1.75

1.8

V

Early Warning

1.8

1.85

1.9

V

Power-On Reset (POR) Monitor

Threshold

—

1.75

—

V

0.75

1.0

1.3

V

—

—

3

ms

RST Low Time to Generate Reset

15

—

—

µs

Boot Time1

1 sensor

—

25

—

ms

2 sensors

—

40

—

ms

3 sensors

—

55

—

ms

4 sensors

—

70

—

ms

5 sensors

—

85

—

ms

6 sensors

—

100

—

ms

7 sensors

—

115

—

ms

8 sensors

—

130

—

ms

9 sensors

—

145

—

ms

10 sensors

—

160

—

ms

11 sensors

—

175

—

ms

12 sensors

—

200

—

ms

Note:

1. Boot time is defined as the time from a power-on reset or /RST pin release until the first capacitive sense scan begins.

3.1.4 Configuration Memory

Table 3.4. Configuration Memory

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Endurance (Write/Erase Cycles)

20 k

100 k

—

Cycles

Note:

1. Data Retention Information is published in the Quarterly Quality and Reliability Report.

CPT112S Data Sheet

Electrical Specifications

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