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MIC6315-46D3 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC6315-46D3 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 9 page Micrel MIC2772 Pin Description Pin Number Pin Name Pin Function 1 /MR1 Digital Input; supervisor 1. Driving this pin low initiates an immediate and unconditional reset. If VCC1 is above the threshold when /MR1 is released (returns high), RESET1 will be de-asserted no less than tRESET1 later. /MR1 may be driven by a CMOS or TTL logic signal or a mechanical switch. De-bouncing is performed internally. /MR1 has an internal pull-up to VCC1; leave open if unused. 2 GND1 Ground return for supervisor 1. 3 /MR2 Digital Input; supervisor 2. Driving this pin low initiates an immediate and unconditional reset. If VCC2 is above the threshold when /MR2 is released (returns high), the /RESET2 will be de-asserted no less than tRESET2 later. /MR2 may be driven by a CMOS or TTL logic signal or a mechanical switch. De- bouncing is performed internally. /MR2 has an internal pull-up to VCC2; leave open if unused. 4 GND2 Ground return for supervisor 2. 5 /RESET2 Digital Output; open-drain; supervisor 2. Asserted low whenever VCC2 falls below the threshold voltage. It remains asserted for no less than tRESET2 and is de-asserted after VCC2 returns above the threshold. 6 VCC2 Analog Input. Power supply input for supervisor 2. 7 /RESET1 Digital Output; open-drain; supervisor 1. Asserted low whenever VCC1 falls below the threshold voltage. It remains asserted for no less than tRESET1 and is de-asserted after VCC1 returns above the threshold. 8 VCC1 Analog Input. Power supply input for supervisor 1. April 2005 3 M9999-042605 (408) 955-1690 |
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