w83176g-733 Winbond Electronics Corp America, w83176g-733 Datasheet - Page 3

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

Table of Content-
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
GENERAL DESCRIPTION ......................................................................................................... 3
PRODUCT FEATURES .............................................................................................................. 3
PIN CONFIGURATION ............................................................................................................... 3
BLOCK DIAGRAM ...................................................................................................................... 4
PIN DESCRIPTION..................................................................................................................... 5
POWER PINS ............................................................................................................................. 6
I2C CONTROL AND STATUS REGISTERS .............................................................................. 6
ACCESS INTERFACE .............................................................................................................. 10
SPECIFICATIONS .................................................................................................................... 11
ORDERING INFORMATION..................................................................................................... 12
HOW TO READ THE TOP MARKING...................................................................................... 12
PACKAGE DRAWING AND DIMENSIONS.............................................................................. 13
5.1
5.2
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
8.1
8.2
8.3
8.4
9.1
9.2
9.3
Clock Function Pins..................................................................................................................5
Control Signal Pins...................................................................................................................5
Register 0 ~ Register 5 RESERVED.......................................................................................6
Register 6: Output Control (1 = Enable, 0 = Disable) (Default: FFh)......................................6
Register 7: Output Control (1 = Enable, 0 = Disable) (Default: FFh)......................................6
REGISTER 8 ~ Register 17 RESERVED ...............................................................................7
Skew step reference Table ......................................................................................................7
Register 18: Skew Control (Default: 88h)................................................................................7
Register 19: Skew Control (Default: 80h)................................................................................7
Slew rate reference table .........................................................................................................8
Register 20: Skew & Slew Rate Control (Default: 8Ah) ..........................................................8
Register 21: Slew Rate Control (Default: AAh) .......................................................................8
Register 22: Slew Rate Control (Default: AAh) .......................................................................9
Register 23: Slew Rate Control (Default: AAh) .......................................................................9
Block Write Protocol ...............................................................................................................10
Block Read Protocol...............................................................................................................10
Byte Write Protocol.................................................................................................................10
Byte Read Protocol ................................................................................................................10
ABSOLUTE MAXIMUM RATINGS .......................................................................................11
AC CHARACTERISTICS.......................................................................................................11
DC CHARACTERISTICS ......................................................................................................11
DUAL BANK DDR BUFFER FOR VIA CHIPSET
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W83176R-733/W83176G-733