CBM809RST3

Corebai
CBM803X/809X/810X OPERATION INSTRUCTION Features Applications  Recision supply voltage monitor  Microprocessor systems 2.32 V(CBM803Z/CBM809Z/CBM810Z)  Computers 2.63 V(CBM803R/CBM809R/CBM810R)  Controllers 2.93 V(CBM803S/CBM809S/CBM810S)  Intelligent instruments 3.08 V(CBM803T/CBM809T/CBM810T) 4.00 V(CBM803J/CBM809J/CBM810J) 4.38 V(CBM803M/CBM809M/CBM810M) 4.63 V(CBM803L/CBM80...
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CBM803X/809X/810X OPERATION INSTRUCTION Features Applications  Recision supply voltage monitor  Microprocessor systems 2.32 V(CBM803Z/CBM809Z/CBM810Z)  Computers 2.63 V(CBM803R/CBM809R/CBM810R)  Controllers 2.93 V(CBM803S/CBM809S/CBM810S)  Intelligent instruments 3.08 V(CBM803T/CBM809T/CBM810T) 4.00 V(CBM803J/CBM809J/CBM810J) 4.38 V(CBM803M/CBM809M/CBM810M) 4.63 V(CBM803L/CBM809L/CBM810L)  17 µA quiescent current  Reset assertion down to 1 V VCC  140 ms minimum power-on reset Open-drain RESET output (CBM803X) Push-pull RESET output (CBM809X) Push-pull RESET output (CBM810X) * X=L,M,J,T,S,R,Z General Description The CBM803X/CBMM809X/CBM810X supervisory circuits monitor the power supply voltage in microprocessor systems. They provide a reset output during power-up, power-down, and brownout conditions. On power-up, an internal timer holds reset asserted for 240 ms. This holds the microprocessor in a reset state until conditions have stabilized. The reset output remains operational with VCC as low as 1 V. The CBM803X and CBM809X provide an active low reset 一一一一一一 signal ( RESET ), whereas the CBM810X provides an active high signal (RESET) output. The CBM809X and CBM810X have push-pull outputs, whereas the CBM803X has an open-drain output, which requires an external pull-up resistor. Seven reset threshold voltage options are available, suitable for monitoring a variety of supply voltages (see Table 3). The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC. The CBM803X/CBM809X/CBM810X consume only 17 μA, making them suitable for low power, portable equipment. The CBM803X is available in a 3-lead SC70; the CBM809X/CBM810X are available in 3-lead SOT-23 and 3-lead SC70 packages. FOCUS ON DEVELOPMENT • SINCERELY SERVICE • INNOVATIVE FUTURE -1- www.c oreba i. com PDF
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Дата модификации: 17.12.2021

Размер: 735 Кб

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