FDC37B787-NS SMSC, FDC37B787-NS Datasheet - Page 149

• Manufacturer Part Number: FDC37B787-NS
• Description: IC CTRLR SUPER I/O ENH 128-QFP
• Manufacturer: SMSC

Specifications of FDC37B787-NS

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 70mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1006

upon release of the button. It has a 0.5 second
or faster resolution (run off of the 32kHz clock
divided down) and the minimum time for
triggering the override power down is four
seconds, with a maximum of 4.5 seconds. The
Blanking Period
nPowerOn
Button_In
V cc
FIGURE 4 - BLANKING PERIOD
4
sec
4+
151
sec
timer output will pulse the clear on the Flip Flop
1.
Figure 12 illustrates the timing of the blanking
period relative to Button_In and nPowerOn for
the override event.
Release
4
sec