CAT5128 Catalyst Semiconductor, CAT5128 Datasheet
CAT5128
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CAT5128 Summary of contents
Page 1
... A and B. An up/down counter and decoder that are controlled by two input pins, determines which tap is connected to the wiper, W. Wiper-control of the CAT5128 is accomplished with two input control pins, UP ¯¯¯¯¯¯ high-to-low transition on the UP ...
Page 2
... The wiper, when at either fixed terminal, acts like its or mechanical equivalent and does not move beyond the CC last position. When the CAT5128 is powered-down, the wiper position is reset. When power is restored, the counter is set to the mid point, tap 15 ¯ ...
Page 3
... ¯¯ , DOWN ¯¯¯¯¯¯ GND Potentiometer B Equivalent Circuit Min Typ Max 2.5 – 5.5 – – 100 = 0 – – 50 – 0.01 1 Doc. No. MD-2128 Rev. B CAT5128 Units V µA µA µA ...
Page 4
... CAT5128 LOGIC INPUTS V = +2.5V to +5.5V unless otherwise specified CC Symbol Parameter I Input Leakage Current IH I Input Leakage Current IL V TTL High Level Input Voltage IH1 V TTL Low Level Input Voltage IL1 V CMOS High Level Input Voltage IH2 V CMOS Low Level Input Voltage IL2 ...
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... UP_R UP 90% 90% 10% Increment R in Discrete Steps W t DOWN_CYC t t DOWN_R DOWN 90% 90% 10% Decrement R in Discrete Steps W 5 CAT5128 (1) Max Typ – – – – – – – – – 500 – 500 – – – – – UP_F ...
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... CAT5128 PACKAGE OUTLINE DRAWING (1)(2) SOT-23 8-Lead (TB PIN #1 IDENTIFICATION TOP VIEW D A SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC standard MO-178. Doc. No. MD-2128 Rev. B SYMBOL ...
Page 7
... All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) This device used in the above example is a CAT5128TBI-10-GT3 (SOT-23, Industrial Temperature, 10kΩ, NiPdAu, Tape & Reel, 3,000/Reel) . (4) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. ...
Page 8
... CAT5128 REVISION HISTORY Date Rev. Description 19-Mar-08 A Initial Release 21-Nov-08 B Change logo and fine print to ON Semiconductor ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “ ...