W40S11-02X Просмотр технического описания (PDF) - SpectraLinear Inc

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W40S11-02X

SDRAM Buffer - 2 DIMM (Mobile)

SpectraLinear Inc 

Layout Example

W40S11-02

+3.3V Supply

FB

.005PF

C4

G

VDDQ3

10PF

C3

G

G

1V

2

3

4

G

5V

6

7

8

9

G

10 V

11

12

13

G

14 V

V 28

G

27

26

25

V 24

G

23

22

21

20

V 19

G

18

17

16

15

FB = Dale ILB1206 - 300 (300:@ 100 MHz)

Ceramic Caps C3 = 10–22 µF

C4 = 0.005 µF

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

All VDDs have –1 mF low ESR bypass at pin to ground

All bypass caps = 0.1 PF ceramic

Rev 1.0, Dec. 01, 2006

Page 8 of 9

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