CAT5259
Quad Digital
Potentiometer (POT)
with 256 Taps
2
and I C Interface
CAT5259
MARKING DIAGRAMS
(SOIC24) (TSSOP 24)
L3B
RLB
CAT5259WT
CAT5259YT
RRYMXXXX
3YMXXX
L = Assembly Location R = Resistance
3 = Lead Finish Matte-Tin 4 = 50 K
B = Product Revision (Fixed as B) 5 = 100 K
CAT5259W = Device Code L = Assembly Location
T = Temperature Range (I = Industrial) B = Product Revision (Fixed as B)
= Dash CAT5259Y = Device Code
RR = Resistance T = Temperature Range (I = Industrial)
50 = 50 K 3 = Lead Finish Matte-Tin
00 = 100 K Y = Production Year (Last Digit)
Y = Production Year (Last Digit) M = Production Month (19, O, N, D)
M = Production Month (19, O, N, D) XXX = Last Three Digits of Assembly Lot Number
XXXX = Last Four Digits of Assembly Lot Number
R R R R
H0 H1 H2 H3
WIPER
SCL 2
I C BUS
CONTROL
R
SDA
W0
INTERFACE
REGISTERS
R
W1
WP
A
0
NONVOLATILE
R
CONTROL W2
A
1
DATA
A
LOGIC
2
REGISTERS
A
3
R
W3
R R R R
L0 L1 L2 L3
Figure 1. Functional Diagram