Cypress SL811HS - Manual (Page 19)

SL811HS
Document 38-08008 Rev. *D Page 19 of 32
The diagram below illustrates a simple +3.3V voltage source.
Package Markings (28-pin PLCC)
YYWW = Date code
XXXX = Product code
X.X = Silicon revision number
+5V (USB)
GND
R1
+3.3 V (VDD)
Sample VDD Generator
45 Ohms
3.9v, 1N52288CT-
Zener
2N2222
Figure 5. Sample VDD Generator
Part Number
YYWW-X.X
XXXX