7 / 9 page

W256
Document #: 38-07256 Rev. *C
Page 7 of 9
Layout Example Single Voltage
FB
+3.3V Supply or 2.5V Supply
C2
10
µF
0.005
µF
G
G
VDD
C1
28
27
26
25
24
23
22
21
20
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
19
17
16
15
G = VIA to GND plane layer
V =VIA to respective supply plane layer
Note: Each supply plane or strip should have a ferrite bead and capacitors
Cermaic Caps C1 = 10–22 µF
C2 = 0.005 µF
FB = Dale ILB1206 – 300 (300
Ω @ 100 MHz)
All bypass caps = 0.1
µF ceramic
G
V
G
V
G
V
G
V
G
V
G
G
G
G
G
G
G
G
G
Ordering Information
Ordering Code
Package Type
Operating Range
W256H
28-pin SSOP
Commercial
W256HT
28-pin SSOP – Tape and Reel
Commercial
Lead Free
CYW256OXC
28-pin SSOP
Commercial
CYW256OXCT
28-pin SSOP – Tape and Reel
Commercial