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PDF RTM680-229 Data sheet ( Hoja de datos )
| Número de pieza | RTM680-229 | |
| Descripción | DDR/SDRAM Buffer | |
| Fabricantes | RealTek | |
| Logotipo |  |
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DDR/SDRAM Buffer
General Description
The RTM 680-229 is a 3.3V/2.5V DDR / SDRAM fan out buffer. The RTM680-229 can be used in
conjunction with the RTM560/660/360 or similar clock synthesizer for the VIA 266/333/400
chipset. The clock chip provides standard serial bus for programming device function. And RTM
680-229 also builds in the enhance function.
Features
z Support Up to 400MHz DDR.
z Programmable clock skew.
z Programmable drive strength.
z Power Down feature.
z 1 input to 12 output buffer
z 1 feedback clock
z Supports 2 DDR DIMMs.
z Supports 3 SDRAM DIMMs.
z Supports 2 type package ID (D2/D6)
by bonding option.
02/09/12
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1 page  
DDR/SDRAM Buffer
Bit
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Revision Code
Revision Code
Revision Code
Revision Code
Revision Code
Revision Code
Revision Code
Revision Code
CR 08h
Description
TYPE
R
R
R
R
R
R
R
R
Default
1
1
1
1
0
0
0
0
02/09/12
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5 Page 
Package outline
DDR/SDRAM Buffer
SSOP Package:( unit using inches)
Symbol
A
A1
B
C
D
E
e
α
Common Dimensions
Min. Type Max.
0.068
0.073
0.078
0.002
0.005
0.008
0.008
0.010
0.0135
0.004
0.0060
0.008
See Variations
0.205
0.209
0.212
0.025BSC
0° 4° 8°
Variations
AE
Min.
0.397
D
Type
0.402
Max.
0.407
N
28
02/09/12
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet RTM680-229.PDF ] | |
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