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

11.9 Port Pin Characteristics

11.9.1 General Characteristics.

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

Symbol

Parameter

CMOS type low level input voltage.

Port B pins. (See Fig 11.13)

VIL

TTL type Schmitt trigger low level

input voltage. Port A and Port C

pins. (See Fig. 11.12)

CMOS type high level input voltage.

Port B pins. (See Fig 11.13)

VIH

TTL type Schmitt trigger high level

input voltage. Port A and Port C

pins. (See Fig. 11.12)

Vhys

Schmitt trigger voltage hysteresis 2)

Condition

Min

Typ1)

Max

Unit

1.5

0.8

3.3

V

2.2

1

IL

Input leakage current

VSS≤VIN≤VDD

IS

Static current consumption3)

Floating input mode

±1

µA

200

Notes:

1. Unless otherwise specified, typical data is based on TA=25 °C and VDD=5 V

2. Hysteresis voltage between Schmitt trigger switching level. Based on characterization results, not

tested in production.

80/94

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