CAT5114 32-Tap Digitally Program- mable Potentiometer (DPP ) Description The CAT5114 is a single digitally programmable potentiometer (DPP ) designed as an electronic replacement for mechanical CAT5114 DEVICE MARKING INFORMATION PDIP SOIC MSOP TSSOP YMBR RL4B ABMS 5114GT RL4B CAT5114VT YMP CAT5114LT YMXXXX YMXXXX Y = Production Year (Last Digit) M = Production Month (19, A, B, C) ABMS = CAT5114ZI 10 GT3 B = Product Revision (Fixed as B) ABMT = CAT5114ZI50 GT3 R = Resistance: R = Resistance: ABTH = CAT5114ZI00 GT3 2 = 10 k 2 = 10 k Y = Production Year (Last Digit) 4 = 50 k 4 = 50 k M = Production Month (19, A, B, C) 5 = 100 k 5 = 100 k P = Product Revision 5114G = Device Code L = Assembly Location T = Temperature Range 4 = Lead Finish NiPdAu B = Product Revision (Fixed as B) TDFN CAT5114L = Device Code (PDIP) EF = CAT5114VP2I10GT3 CAT5114V = Device Code (SOIC) HF = CAT5114VP2I50GT3 T = Temperature Range (Industrial) GW = CAT5114VP2I00GT3 Y = Production Year (Last Digit) EFL L = Assembly Location M = Production Month (19, A, B, C) XXX XXX = Last Three Digits of Assembly Lot Number XXXX = Last Four Digits of Assembly Lot Number YM Y = Production Year (Last Digit) M = Production Month (19, A, B, C) Functional Diagram R /V R /V H H H H U/D 5 Bit 31 Up/Down INC Counter V 30 CS CC R /V H H 29 U/D 5 Bit 28 Nonvolatile Control Memory 32 R /V Transfer Resistor INC and W W R /V W W Position Memory Gates Array Decoder CS Power On 2 Recall R /V Store and L L 1 Recall V Control CC GND Circuitry R /V GND 0 L L R /V R /V L L W W Figure 1. General Figure 2. Detailed Figure 3. Electronic Potentiometer Implementation