W83176G-733 Просмотр технического описания (PDF) - Winbond
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W83176G-733 Datasheet PDF : 14 Pages
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W83176R-733/W83176G-733
DUAL BANK DDR BUFFER FOR VIA CHIPSET
5. PIN DESCRIPTION
BUFFER TYPE SYMBOL
IN
OUT
I/OD
*
DESCRIPTION
Input
Output
Bi-directional Pin, Open Drain
Internal 120kΩ pull-up
5.1 Clock Function Pins
PIN
PIN NAME
18
BUF_INTA
36,35,38,37,2
1,22,20,19,14
,13,11,12
DDRAT/C
[5:0]
17
FB_OUTA
4
BUF_INTB
30,29,32,31,42,4
1,44,43,7,8,5,6
DDRBT/C [5:0]
3
FB_OUTB
TYPE
DESCRIPTION
IN Bank A DDR Buffer True reference clock input.
OUT Bank A DDR Buffer clocks of differential pair outputs.
OUT
Bank A DDR Buffer True Feedback output, dedicated for
external feedback.
IN Bank B DDR Buffer True reference clock input.
OUT Bank B DDR Buffer clocks of differential pair outputs.
OUT
Bank B DDR Buffer True Feedback output, dedicated for
external feedback.
5.2 Control Signal Pins
PIN
PIN NAME
26
SDATA *
25
SCLK *
45
OE_EVEN*
46
OE_ODD*
TYPE
I/OD
IN
DESCRIPTION
Serial data of I2C 2-wire control interface
Internal pull-up resistor 120K to VDD2.5
Serial clock of I2C 2-wire control interface
Internal pull-up resistor 120K to VDD2.5
OE_EVEN=1 Enable, OE_EVEN=0 Disable, Even Buffer
IN clock output pairs (DDR0, 2,4), Internal pull-up resistor
120K to VDD2.5
OE_ODD=1 Enable, OE_ODD=0 Disable, ODD Buffer
IN clock output pairs (DDR1, 3, 5), Internal pull-up resistor
120K to VDD2.5
Publication Release Date: March, 2006
-3-
Revision 1.0
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