Datasheet

2002-2013 Microchip Technology Inc. DS21756C-page 33
TC642B/TC647B
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
Sales and Support
Device: TC642B: PWM Fan Speed Controller with Minimum
Fan Speed, Fan Restart, Fan Fault Detec-
tion, and Over-Temp Detection.
TC647B: PWM Fan Speed Controller with Minimum
Fan Speed, Fan Restart, and Fan Fault
Detection.
Temperature
Range:
E = -40°C to +85°C
Package: OA = Plastic SOIC, (150 mil Body), 8-lead
PA = Plastic DIP (300 mil Body), 8-lead
UA = Plastic Micro Small Outline (MSOP), 8-lead
713 = Tape and Reel (SOIC and MSOP)
(TC642B only)
TR = Tape and Reel (SOIC and MSOP)
(TC647B only)
PART NO. X /XX
PackageTemperature
Range
Device
Examples:
a) TC642BEOA: SOIC package.
b) TC642BEOA713: Tape and Reel,
SOIC package.
c) TC642BEPA: PDIP package.
d) TC642BEUA: MSOP package.
a) TC647BEOA: SOIC package.
b) TC647BEPA: PDIP package.
c) TC647BEUA: MSOP package.
d) TC647BEUATR: Tape and Reel,
MSOP package.
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and
recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
1. Your local Microchip sales office
2. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
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