Open Drain Microprocessor Reset
Features
■ Low supply current of 1.5µA (typ) ■ ±1.8% reset threshold accuracy (25°C) ■ Guaranteed RST assertion down to
...
Description
Features
■ Low supply current of 1.5µA (typ) ■ ±1.8% reset threshold accuracy (25°C) ■ Guaranteed RST assertion down to
VCC = 1.0V ■ Open drain RST output can exceed VCC ■ Power supply transient immunity ■ Operating temperature: –40 to +125°C ■ Available in SOT143-4 package.
STM6315
Open drain microprocessor reset
SOT143-4 (W1)
March 2007
Rev 5
1/21
www.st.com
1
Contents
Contents
STM6315
1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Manual reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 Negative-going VCC transients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4 Valid RST output down to VCC = 0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7 Part numbering . . . . . . . . . . . . . ....
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