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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

Package

Temperature

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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