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FM812JUX 数据表(PDF) 2 Page - Fairchild Semiconductor |
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FM812JUX 数据表(HTML) 2 Page - Fairchild Semiconductor |
2 / 6 page FM811/812 2 REV. 1.5.1 7/15/02 Pin Assignments Pin Definitions Internal Block Diagram Pin Name Pin Number Description FM811 FM812 GND 1 1 Ground Pin RESET 2 N/A RESET goes low if VCC falls below the reset threshold and remains asserted for one reset time-out period (140ms min.) after VCC exceeds the reset threshold. RESET N/A 2 RESET goes high if VCC falls below the reset threshold and remains asserted for one reset time-out period (140ms min.) after VCC exceeds the reset threshold. MR 3 3 Manual reset input. Shorting this pin to GND forces a reset. The reset will remain asserted as long as MR is held low and for one reset time-out period (140ms min.) after MR goes high. This input cannot be driven by a CMOS or TTL logic. Push-button switch is recommended to be used with this pin. Float if unused. VCC 4 4 Power supply input, 3V, 3.3V, or 5V FM811 VCC Top View RESET MR 2 4 3 FM812 VCC RESET MR GND 2 1 GND 1 4 3 4 3 Reset Generator 2 1 – + Reset Threshold (V) VCC MR RESET (FM811) RESET (FM812) GND |
类似零件编号 - FM812JUX |
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类似说明 - FM812JUX |
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