CAT5111 100tap Digital Potentiometer (POT) with Buffered Wiper Description The CAT5111 is a single digital POT designed as an electronic CAT5111 DEVICE MARKING INFORMATION PDIP SOIC MSOP TSSOP RL4A RL4A AARL CAT5111VT A1RL CAT5111LT YMP YMXXXX 4YMXXX YMXXXX R = Resistance: AARL = CAT5111ZI 10 T3 A1 = Device Code 2 = 10 k AAPT = CAT5111ZI 50 T3 R = Resistance: 4 = 50 k AAPX = CAT5111ZI00 T3 2 = 10 k 5 = 100 k Y = Production Year (Last Digit) 4 = 50 k L = Assembly Location M = Production Month (19, A, B, C) 5 = 100 k 4 = Lead Finish NiPdAu P = Product Revision L = Assembly Location A = Product Revision (Fixed as A) 4 = Lead Finish NiPdAu CAT5111L = Device Code (PDIP) Y = Production Year (Last Digit) CAT5111V = Device Code (SOIC) M = Production Month (19, A, B, C) T = Temperature Range (Industrial) XXX = Last Three Digits of Y = Production Year (Last Digit) XXX = Assembly Lot Number M = Production Month (19, A, B, C) XXXX = Last Four Digits of Assembly Lot Number R H V CC R H U/D Control + and INC R + WB Memory R WB CS Power On Recall R L GND R L Figure 1. Functional Diagram Figure 2. Electronic Potentiometer Implementation