IMP1232 IMP Inc, IMP1232 Datasheet
IMP1232
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IMP1232 Summary of contents
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... The IMP1232LP/LPS microprocessor supervisor can halt and restart a “hung-up” or “stalled” microprocessor, restart a microprocessor after a power failure, and debounce and interface a manual push-button micro- processor reset switch. The low-power supervisors feature 40% lower supply current than the pin compatible Dallas Semiconductor DS1232LP/LPS ...
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... ° C 408-432-9100/www.impweb.com IMP1 232LP/LPS IMP1 232LP/LPS PBRST IMP1232LPSN TOL 6 11 RESET GND 8 9 RESET 1232_02.eps = 150ms for TD = GND =1200ms for ...
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Voltage –0. Voltage on ST ...
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... The PBRST can be driven from a TTL or CMOS logic line or short ground with a mechanical switch. PBRST RESET RESET V OH RESET Figure 3. Timing Diagram: Pushbutton Reset V OL RESET 1232_05.eps IMP1232LP/LPS 1 PBRST TOL 4 GND Figure 4. Application Circuit: Pushbutton Reset 1232_04.eps 408-432-9100/www.impweb.com IMP1 ...
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... ST Pulses as short as 20ns can be detected. Valid Valid Strobe Strobe RST TD (Min) RESET Note ignored whenever a reset is active. Figure 5. Timing Diagram: Strobe Input IMP1232LP/LPS 1 PBRST TOL RESET 4 GND RESET 1999 IMP, Inc. © A HIGH-to-LOW ST signal transition must be regularly issued no later than the minimum time-out period defined by the state of the TD signal ...
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Package Dimensions 0.10mm e 0.004in – – – – ...
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IMP, Inc. Corporate Headquarters 2830 N. First Street San Jose, CA 95134-2071 Tel: 408-432-9100 Tel: 800-438-3722 Fax: 408-434-0335 e-mail: info@impinc.com http://www.impweb.com The IMP logo is a registered trademark of IMP, Inc. All ...