CAT5411
Dual Digital
Potentiometer (POT)
with 64 Taps
and SPI Interface
CAT5411
MARKING DIAGRAMS
(SOIC24) (TSSOP24)
L3B
RLB
CAT5411WT
CAT5411YT
RRYMXXXX
3YMXXX
L = Assembly Location R = Resistance
3 = Lead Finish Matte-Tin 1 = 2.5 K
B = Product Revision (Fixed as B) 2 = 10 K
CAT = Fixed as CAT 4 = 50 K
5411W = Device Code 5 = 100 K
T = Temperature Range (I = Industrial) L = Assembly Location
= Dash B = Product Revision (Fixed as B)
RR = Resistance CAT5411Y = Device Code
25 = 2.5 K T = Temperature Range (I = Industrial)
10 = 10 K 3 = Lead Finish Matte-Tin
50 = 50 K Y = Production Year (Last Digit)
00 = 100 K M = Production Month (19, O, N, D)
Y = Production Year (Last Digit) XXX = Last Three Digits of Assembly Lot Number
M = Production Month (19, O, N, D)
XXXX = Last Four Digits of Assembly Lot Number
R R
H0 H1
CS
WIPER
SCK
SPI BUS
CONTROL
SI
INTERFACE
R
REGISTERS
W0
SO
R
W1
WP
NONVOLATILE
CONTROL
DATA
A0
LOGIC
REGISTERS
A1
R R
L0 L1
Figure 1. Functional Diagram