W83627HF Datasheet, PDF (115/185 Pages) Winbond – WINBOND I/O

W83627HF/F
PRELIMINARY
Divisor
1
2 (default)
4
8
16
32
64
128
+12V
Nominal
PRM
8800
4400
2200
1100
550
275
137
68
+5V
Time per
Revolution
Counts
6.82 ms
153
13.64 ms
153
27.27 ms
153
54.54 ms
153
109.08 ms
153
218.16 ms
153
436.32 ms
153
872.64 ms
153
Table 1.
+12V
diode
Pull-up resister
4.7K Ohms
+12V
FAN Out
GND
FAN
Connector
Fan Input
Pin 111-113
W83627HF
+12V
FAN Out
GND
FAN
Connector
70% RPM Time for 70%
6160
3080
1540
770
385
192
96
48
9.74 ms
19.48 ms
38.96 ms
77.92 ms
155.84 ms
311.68 ms
623.36 ms
1246.72 ms
diode
Pull-up resister
4.7K Ohms
14K~39K
Fan Input
Pin 111-113
10K
W83627HF
Fan with Tach Pull-Up to +5V
Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Register Attenuator
+12V
+12V
+12V
FAN Out
GND
FAN
Connector
diode
Pull-up resister
> 1K
Fan Input ^{Pin 111-113}
3.9V Zener
W83627HF
+12V
FAN Out
GND
FAN
Connector
diode
Pull-up resister < 1K
or totem-pole output
> 1K
Fan Input
Pin 111-113
3.9V Zener
W83627HF
Fan with Tach Pull-Up to +12V and Zener Clamp
Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Zener Clamp
Figure 11.4
- 98 -
Publication Release Date: Jul 1999
Revision 0.53