CAT5409
Quad Digital
Potentiometer (POT)
with 64 Taps
2
and I C Interface
CAT5409
MARKING DIAGRAMS
(SOIC24) (TSSOP24)
L3B
RLB
CAT5409WT
CAT5409YT
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
5409W = Device Code
5 = 100 K
T = Temperature Range (I = Industrial)
L = Assembly Location
= Dash B = Product Revision (Fixed as B)
RR = Resistance CAT5409Y = 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 R R
H0 H1 H2 H3
WIPER
2
I C BUS
SCL
CONTROL
R
W0
SDA INTERFACE
REGISTERS
R
W1
WP
A
0
NONVOLATILE
R
W2
CONTROL
A
1
DATA
A LOGIC
2
REGISTERS
A
3
R
W3
R R R R
L0 L1 L2 L3
Figure 1. Functional Diagram