21462c datasheet(5/16 Pages) MICROCHIP

Part #	21462C

Description	Tiny Serial Digital Thermal Sensor

PDF	16 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2002 Microchip Technology Inc.

DS21462C-page 5

TC74

2.0

PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 2-1.

TABLE 2-1:

PIN FUNCTION TABLE

2.1

Ground (GND)

Input. Ground return for all TC74 functions.

2.2

Power Supply Input (VDD)

Power supply input. See Electrical Specifications.

2.3

SMBus/I2C Serial Clock (SCLK)

Input. SMBus/I2C serial clock. Clocks data into and out

of the TC74. See System Management Bus

Specification, Rev. 1.0, for timing diagrams.

2.4

Serial Data (SDA)

Bidirectional. Serial data is transferred on the SMBus/

I2C in both directions using this pin. See System

Management Bus Specification, Rev. 1.0 for timing

diagrams.

Pin No.

(5-Pin

SOT-23)

Pin No.

(5-Pin TO-220)

Symbol

Type

Description

None

No Internal Connection

GND

Power

System Ground

VDD

Power

Power Supply Input

SCLK

Input

SMBus/I2C Serial Clock

SDA

Bidirectional

SMBus/I2C Serial Data

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