TC74A0-3.3VCTTRG View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC74A0-3.3VCTTRG

Tiny Serial Digital Thermal Sensor

Microchip Technology 

TC74

DC CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise noted, VDD = 3.3V for TC74AX-3.3VXX and

VDD = 5.0V for TC74AX-5.0VXX, -40°C  TA  125°C. Note 5

Parameters

Sym

Min

Typ

Max Units

Conditions

START Condition Setup Time tSU(START)

4.0

—

(for repeated START

Condition)

—

µsec 90% SCLK to 10% SDA

START Condition Hold Time

tH(START)

4.0

—

Data In Setup Time

tSU-DATA

1000

—

Data In Hold Time

tH-DAT

1250

—

STOP Condition Setup Time

tSU(STOP)

4.0

—

Bus Free Time Prior to New

Transition

tIDLE

4.7

—

—

µsec

—

nsec

—

nsec

—

µsec

—

µsec

Power-on Reset Delay

tPOR

—

500

—

µsec VDD VPOR (Rising Edge)

Note 1: Operating current is an average value integrated over multiple conversion cycles. Transient current may

exceed this specification.

2: Maximum ensured conversion time after Power-on Reset (POR to DATA_RDY) is 250 msec.

3: Output current should be minimized for best temperature accuracy. Power dissipation within the TC74 will

cause self-heating and temperature drift error.

4: SDA and SCLK must be connected to VDD or GND.

5: VDD = 3.3V for TC74AX -3.3 VXX. VDD = 5.0V for TC74AX -5.0 VXX. All part types of the TC74 will operate

properly over the wider power supply range of 2.7V to 5.5V. Each part type is tested and specified for rated

accuracy at its nominal supply voltage. As VDD varies from the nominal value, accuracy will degrade 1°C/V

of VDD change.

 2001-2012 Microchip Technology Inc.

DS21462D-page 3

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