ST52T441 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST52T441

8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG

STMicroelectronics 

ST52T400/T440/E440/T441

11.11 Control Pin Characteristics

11.11.1 RESET pin.

Subject to general operating conditions for VDD, fosc, and TA, unless otherwise specified

Table 11.13 Reset pin

Symbol

VIL

VIH

Vhys

Parameter

Input low level voltage1)

Input high level voltage1)

Schmitt trigger voltage hysteresis2)

Conditions

VDD= 5 V

VDD= 5 V

VDD= 5 V

Min

Typ Max Unit

2.23)

2.83)

V

0.63)

tFN

Duration of filtered noise

tRST

Reset pulse duration

100

nS

500

11.11.2 Power on reset.

Table 11.14 Power on reset

Symbol

POR

Parameter

Power on reset

Conditions

Min Typ

Max

Unit

2.25 2.30 2.38

V

11.11.3 VPP pin.

Subject to general operating conditions for VDD, fosc, and TA,unless otherwise specified.

Table 11.15 VPP4) pin

Symbol

Parameter

Conditions

Min

Typ Max Unit

VIL

Input low level voltage3)

VIH

Input high level voltage3)

VSS

VDD-0.1

0.2

V

12.6

Notes:

1. Data is based on characterization results, not tested in production.

2. Hysteresis voltage between Schmitt trigger switching level.

Based on characterization results not tested in production.

3. Data is based on design simulation and/or technology characteristics, not tested in production.

4. In working mode VPP must be tied to VSS

84/94

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