w83627thg Winbond Electronics Corp America, w83627thg Datasheet - Page 34

• Manufacturer Part Number: w83627thg
• Description: Winbond Lpc I/o
• Manufacturer: Winbond Electronics Corp America

Figure 5-4. Fan with Tach Pull-Up to +5V
Figure 5-6. Fan with Tach Pull-Up to +12V
2 (default)
Connector
Connector
DIVISOR
FAN
FAN
128
16
32
64
FAN Out
1
4
8
FAN Out
+12V
GND
+12V
GND
and Zener Clamp
+12V
+12V
NOMINAL
8800
4400
2200
1100
RPM
550
275
137
3.9V Zener
68
Pull-up resister
4.7K Ohms
Pull-up resister
+5V
Fan Input
Fan Input
> 1K
W83627THFD
Pin 112-113,5
W83627THFD
Pin112 -113,5
REVOLUTION
109.08 ms
218.16 ms
436.32 ms
872.64 ms
TIME PER
13.64 ms
27.27 ms
54.54 ms
6.82 ms
Table 5-2
- 27 -
Connector
Connector
Figure 5-7. Fan with Tach Pull-Up to +12V, or
FAN
FAN
COUNTS
W83627THF/W83627THG
FAN Out
Figure 5-5. Fan with Tach Pull-Up to +12V, or Totem-Pole
FAN Out
153
153
153
153
153
153
153
153
+12V
GND
+12V
GND
Publication Release Date: September 26, 2006
+12V
+12V
Totem-Pole Putput and Zener Clamp
Output and Register Attenuator
70% RPM
Pull-up resister < 1K
or totem-pole output
Pull-up resister
4.7K Ohms
14K~39K
3.9V Zener
6160
3080
1540
770
385
192
96
48
> 1K
Fan Input
Fan Input
10K
1246.72 ms
155.84 ms
311.68 ms
623.36 ms
TIME FOR
19.48 ms
38.96 ms
77.92 ms
9.84 ms
Revision 1.2
70%
Pin 112-113,5
W83627THFD
Pin 112-113,5
W83627THFD