TC74A5 Microchip Technology, TC74A5 Datasheet
TC74A5
Available stocks
Related parts for TC74A5
TC74A5 Summary of contents
Page 1
... TC74 GND DD 2002 Microchip Technology Inc. © TC74 General Description The TC74 is a serially accessible digital temperature sensor particularly suited for low cost and small form- factor applications. Temperature data is converted from the onboard thermal sensing element and made available as an 8-bit digital word ...
Page 2
... TC74A2-3.3VAT TC74A3-3.3VAT TC74A4-3.3VAT TC74A5-3.3VAT TC74A6-3.3VAT TC74A7-3.3VAT TC74A0-5.0VAT TC74A1-5.0VAT TC74A2-5.0VAT TC74A3-5.0VAT TC74A4-5.0VAT TC74A5-5.0VAT TC74A6-5.0VAT TC74A7-5.0VAT NOTE: *Default Address. DS21462B-page 2 Package Address SOT-23A-5 1001 000 SOT-23A-5 1001 001 SOT-23A-5 ...
Page 3
... DD supply range of 2.7V to 5.5V. Each part type is tested and specified for rated accuracy at its nominal supply voltage the nominal value, accuracy will degrade 1°C 2002 Microchip Technology Inc. © *Stresses above those listed under "Absolute Maximum Rat- ings" may cause permanent damage to the device. These are ...
Page 4
... TC74X -5.0VCT. All part types of the TC74 will operate properly over the wider power DD change. DD Unit Test Conditions kHz µsec 10% to 10% µsec 90% to 90% nsec 10% to 90% nsec 90% to10% µsec 90% SCLK to 10% SDA µsec nsec nsec µsec µsec µsec ≥ (Rising Edge) DD POR varies from DD 2002 Microchip Technology Inc. © ...
Page 5
... The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin Number Pin Number (5-Pin SOT-23) (5-Pin TO-220 2002 Microchip Technology Inc. © Symbol Type NC None GND Power V Power DD SCLK Input SDA Bi-directional TC74 Description No Internal Connection ...
Page 6
... G = MSB of Data Clocked into Slave K = Acknowledge Clock Pulse H = LSB of Data Clocked into Slave L = STOP Condition, Data Executed by Slave I = Slave Pulls SDA Line Low M = New START Condition (STOP IDLE (STOP IDLE 2002 Microchip Technology Inc. © ...
Page 7
... Serial Port Operation The Serial Clock input (SCL) and bi-directional data port (SDA) form a 2-wire bi-directional serial port for programming and interrogating the TC74. The following conventions are used in this bus architecture: 2002 Microchip Technology Inc. © TABLE 3-2: Term Transmitter The device sending data to the bus. ...
Page 8
... TC74. NOTE: Refer to Timing Diagrams for serial bus timing. Data ACK P 8 Bits Data Byte: data goes into the register set by the command byte. Data NACK P 8 Bits Data Byte: reads from the register set by the command byte. 2002 Microchip Technology Inc. © ...
Page 9
... Temperature Register (TEMP), 8 Bits, READ ONLY The binary value (2’s complement format) in this regis- ter represents temperature of the onboard sensor following a conversion cycle. The registers are automatically updated in an alternating manner. 2002 Microchip Technology Inc. © TABLE 4-3: D[7] D[6] MSB the temperature data registers, each unit value repre- sents one degree (Celsius). The value is in 2’ ...
Page 10
... TC74A0-3.3VCT TC74A1-3.3VCT TC74A2-3.3VCT TC74A3-3.3VCT TC74A4-3.3VCT TC74A5-3.3VCT TC74A6-3.3VCT TC74A7-3.3VCT TC74A0-5.0VCT TC74A1-5.0VCT TC74A2-5.0VCT TC74A3-5.0VCT TC74A4-5.0VCT TC74A5-5.0VCT TC74A6-5.0VCT TC74A7-5.0VCT 2002 Microchip Technology Inc. © ...
Page 11
... SOT-23A 5.3 Package Dimensions SOT-23A-5 .122 (3.10) .098 (2.50) .020 (0.50) .012 (0.30) PIN 1 .057 (1.45) .035 (0.90) .006 (0.15) .000 (0.00) 2002 Microchip Technology Inc. © User Direction of Feed P Standard Reel Component Orientation TR Suffix Device (Mark Right Side Up) Carrier Width (W) Pitch (P) Part Per Full Reel 3000 ...
Page 12
... TC74 NOTES: DS21462B-page 12 2002 Microchip Technology Inc. © ...
Page 13
... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. © TC74 DS21462B-page 13 ...
Page 14
... TC74 NOTES: DS21462B-page 14 2002 Microchip Technology Inc. © ...
Page 15
... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system certification for its worldwide headquarters, ...
Page 16
... Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...