CAT5114 32tap Digital Potentiometer (POT) Description The CAT5114 is a single digital POT designed as an electronic replacement for mechanical potentiometers and trim pots. Ideal for CAT5114 DEVICE MARKING INFORMATION PDIP SOIC MSOP TSSOP A4RL RL4B ABMS 4YMXXX RL4B CAT5114VI YMP CAT5114LI YMXXXX YMXXXX A4 = Device Code R = Resistance: ABMS = CAT5114ZI 10 GT3 2 = 10 k ABMT = CAT5114ZI50 GT3 4 = 50 k R = Resistance: ABTH = CAT5114ZI00 GT3 5 = 100 k 2 = 10 k Y = Production Year (Last Digit) L = Assembly Location 4 = 50 k M = Production Month (19, O, N, D) 4 = Lead Finish NiPdAu 5 = 100 k P = Product Revision Y = Production Year (last digit) L = Assembly Location M = Production Month (19, O, N, D) 4 = Lead Finish NiPdAu XXX = Last Three Digits of Assembly B = Product Revision (Fixed as B) XXX = Lot Number CAT5114L = Device Code (PDIP) TDFN CAT5114V = Device Code (SOIC) EF = CAT5114VP2I10GT3 I = Temperature Range (Industrial) HF = CAT5114VP2I50GT3 Y = Production Year (Last Digit) GW = CAT5114VP2I00GT3 EFL M = Production Month (19, O, N, D) L = Assembly Location XXX XXXX = Last Four Digits of Assembly Lot Number XXX = Last Three Digits of Assembly Lot Number YM Y = Production Year (Last Digit) M = Production Month (19, O, N, D) Functional Diagram R /V R /V H H H H 5 Bit 31 U/D Up/Down INC Counter V CS 30 CC R /V H H 29 U/D 5 Bit 28 Nonvolatile Control Memory 32 R /V INC and Transfer Resistor W W R /V W W Position Memory Gates Array Decoder CS Power On 2 Recall R /V L L Store and Recall 1 V Control GND CC Circuitry GND 0 R /V L L R /V R /V L L W W Figure 1. General Figure 2. Detailed Figure 3. Electronic Potentiometer Implementation