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STM6710 数据表(PDF) 6 Page - STMicroelectronics |
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STM6710 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 20 page ![]() Pinout and pin description STM6700, STM6710 6/20 DocID16887 Rev 4 3 Pinout and pin description Figure 3. Pinout SOT23-6 1. Open drain 2. For the STM6700 and STM6710Q, pin 2 is a fixed VCC, thereby making it a triple voltage reset, while the STM6710 is a quad voltage reset. V1IN, V3IN,V4IN (VxIN) The VxIN pins are used for nominal input voltages for 1.8 V, 2.5 V and 5.0 V supplies. The voltage at this pin is compared against an internal factory-programmed voltage trip point, Vrst. RESET is first asserted low when the device is initially powered and VxIN < 1 V and then at any time thereafter when VxIN falls below Vrst. The device is designed with typical hysteresis of 0.3% with respect to its threshold to help prevent oscillation due to noise and is immune to brief power supply transients. V2IN The V2IN is used to power the STM6710 device. In normal operations V2IN is also monitored. For STM6710Q and STM6700 variations this pin is the VCC power supply but is not monitored. Ground (VSS) This pin (GND) is the ground pin for the power supply and is tied to VSS. RESET The RESET output is an open drain output that asserts low whenever a monitored supply falls below the minimum threshold. STM6710 provides an extended reset timeout period of typically 200 ms. 1 V1IN V4IN V3IN V2IN (VCC) 2 3 4 6 SOT23-6 5 GND RESET (1) AM04618v1 STM6710 STM6700 |
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