W83176R-400 查看數據表（PDF） - Winbond
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W83176R-400 Datasheet PDF : 12 Pages
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W83176R-400/W83176G-400
CURRENT MODE DIFFERENTIAL BUFFER FOR PCI EXPRESS AND SATA
5. PIN DESCRIPTION
BUFFER TYPE SYMBOL
IN
OUT
INtp120k
*
#
DESCRIPTION
Input
Output
Latched input at power up, internal 120kΩ pull up.
Internal 120kΩ pull-up
Low Active
5.1 Clock Outputs
PIN
PIN NAME
SRCT_IN
2,3
SRCC_IN
6,9,20,23, DIFT (1,2,5,6)
7,10,19,22 DIFC (1,2,5,6)
8,21
OE (1,6)*
13
SCLK *
14
SDATA *
15
PD#*
16
SRC_STOP#*
17
HIGH_BW#*
26
IREF
TYPE
DESCRIPTION
IN SRC Differential clock input
OUT True Clocks of differential pair outputs
OUT Complement Clocks of differential pair outputs
IN
IN
I/O
IN
IN
INtp120k
OUT
DIFT/C (1, 6) output control, 0=Tri-state, 1=Enable output,
This is internal 120K pull up.
Serial clock of I2C 2-wire control interface
Internal pull-up resistor 120K to VDD
Serial data of I2C 2-wire control interface
Internal pull-up resistor 120K to VDD
Active low to power down the device into low power state
is stopped VCO and all output buffers, This is internal
120K pull up.
Active low to stop differential output buffers, This is internal
120K pull up.
Latched input at power up to selecting PLL Band Width
0=HIGH, 1=LOW, This is internal 120K pull up.
Deciding the reference current for the Differential clock
pairs. The pin was connected to the precision resistor tied
to ground to decide the appropriate current; 475 ohm is the
standard value for 0.7V differential clock output.
5.2 Power Pins
PIN
4,25,27
1,5,11,18,24
28
PIN NAME
GND
VDD
VDDA
DESCRIPTION
Ground
Power Supply 3.3V
Analog power supply, 3.3V
Publication Release Date: May, 2006
-3-
Revision 0.6
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