CY28354-400

Rev 1.0, November 22, 2006

Page 7 of 8

Layout Example for DDR 2.5V

Ordering Information

Ordering Code

Package Type

Operating Range

Lead Free

CY28354OXC–400

48-pin SSOP

Commercial, 0°C to 85 °C

CY28354OXC–400T

48-pin SSOP – Tape and Reel

Commercial, 0°C to 85 °C

FB

C4

10 mF

0.005 mF

G

G

VDDQ2

C3

48

47

46

45

44

43

42

41

40

38

37

36

35

34

33

32

31

30

29

28

27

26

25

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

39

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

Ceramic Caps C3 = 10–22

F

C4 = 0.005 F

FB = Dale ILB1206 - 300 (300

@ 100 MHz) or TDK ACB 2012L-120

All bypass caps = 0.1 F ceramic

G

G

G

G

G

G

G

G

V

G

G

G

G

G

G

G

G

V

G

V

G

V

G

V

G

V

G

V

G

V