W83627F Information Storage Devices, Inc, W83627F Datasheet - Page 36

• Manufacturer Part Number: W83627F
• Description: LPC Interface I/o Plus Kbc, Game Port, Midi Port
• Manufacturer: Information Storage Devices, Inc

2 (default)
Fan with Tach Pull-Up to +12V and Zener Clamp
Connector
Connector
Divisor
2.4.2 Fan speed control
128
FAN
16
32
64
FAN
1
4
8
FAN Out
FAN Out
Fan with Tach Pull-Up to +5V
+12V
+12V
GND
+12V
GND
+12V
diode
diode
Nominal
PRM
8800
4400
2200
1100
550
275
137
3.9V Zener
68
Fan Input Pin 111-113
Fan Input
+5V
Pull-up resister
Pull-up resister
4.7K Ohms
> 1K
Pin 111-113
W83627HF
W83627HF
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
Figure 2.4
Table 1.
- 32 -
Connector
Connector
Fan with Tach Pull-Up to +12V, or Totem-Pole
FAN
FAN
Counts
FAN Out
FAN Out
153
153
153
153
153
153
153
153
+12V
GND
+12V
GND
Fan with Tach Pull-Up to +12V, or Totem-Pole
+12V
+12V
Publication Release Date:November 2002
Output and
Output and Register Attenuator
diode
diode
70% RPM
3.9V Zener
6160
3080
1540
770
385
192
96
48
W83627HF/F
> 1K
Pull-up resister
4.7K Ohms
14K~39K
Zener Clamp
Pull-up resister < 1K
or totem-pole output
Fan Input
Fan Input
10K
Time for 70%
1246.72 ms
155.84 ms
311.68 ms
623.36 ms
19.48 ms
38.96 ms
77.92 ms
9.74 ms
Revision 2.0
Pin 111-113
Pin 111-113
W83627HF
W83627HF