w83176g-733 Winbond Electronics Corp America, w83176g-733 Datasheet - Page 4

• Manufacturer Part Number: w83176g-733
• Description: Winbond Dual Bank Ddr Buffer For Via Chipset
• Manufacturer: Winbond Electronics Corp America

1. GENERAL DESCRIPTION
The W83176R-733 is a 2.5V Dual Bank D.D.R. Clock buffer designed for VIA system. W83176R-733
can support 4 D.D.R. DRAM DIMMs.
The W83176R-733 provides I
clock outputs. The W83176R-733 accepts a reference clock as its input and runs on 2.5V supply.
2. PRODUCT FEATURES
• Low Skew outputs (< 100ps)
• Two Feedback pins for synchronous for each bank.
• Supports up to 4 D.D.R. DIMMs
• Supports PC3200 D.D.R. SDRAM
• I
• 48-pin SSOP package
3. PIN CONFIGURATION
*: Internal pull-up resistor 120K to VDD
2
C 2-Wire serial interface and supports Byte or Block Date RW
FB _O U T A
FB _O U T B
B U F_ IN B
BU F_I N A
D D R A C 0
D D R A C 1
D D R A C 2
D D R A C 3
D D RB C 0
D D RB C 1
D D R A T 0
D D R A T 1
D D R A T 2
D D R A T 3
D D RB T 0
D D RB T 1
V D D 2. 5
V D D 2. 5
V D D 2. 5
V D D 2. 5
DUAL BANK DDR BUFFER FOR VIA CHIPSET
G N D
G N D
G N D
G N D
2
C serial bus interface to program the registers to enable or disable each
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W83176R-733/W83176G-733
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Publication Release Date: March, 2006
V D D 2 .5
G N D
O E _O D D *
O E _E V E N *
D D R BT 2
D D R BC 2
D D R BT 3
D D R BC 3
G N D
V D D 2 .5
D D R A T 4
D D R A C 4
D D R A T 5
D D R A C 5
G N D
V D D 2 .5
D D R BT 4
D D R BC 4
D D R BT 5
D D R BC 5
V D D 2 .5
G N D
S D A T A *
S CL K *
Revision 1.0