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FM31276-GTR Folha de dados(PDF) 2 Page - Cypress Semiconductor |
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FM31276-GTR Folha de dados(HTML) 2 Page - Cypress Semiconductor |
2 / 26 page FM31278/276 – 5V I2C Companion Document Number: 001-86393 Rev. *B Page 2 of 26 A general-purpose comparator compares an external input pin to the onboard 1.2V reference. This is useful for generating a power-fail interrupt (NMI) but can be used for any purpose. The family also includes a programmable 64-bit serial number that can be locked making it unalterable. Additionally it offers a dual battery-backed event counter that tracks the number of rising or falling edges detected on dedicated input pins. Pin Configuration Pin Name Function CNT1, CNT2 Event Counter Inputs A0, A1 Device Select inputs CAL/PFO Clock Calibration and Early Power-Fail Output /RST Reset Input/Output PFI Early Power-fail Input X1, X2 Crystal Connections SDA Serial Data SCL Serial Clock VBAK Battery-Backup Supply VDD Supply Voltage VSS Ground Ordering Information Base Configuration Memory Size Operating Voltage Reset Threshold Ordering Part Number FM31278 256Kb 4.0-5.5V 3.9, 4.4V FM31278-G 256Kb 4.0-5.5V 3.9, 4.4V FM31278-GTR (tape&reel) FM31276 64Kb 4.0-5.5V 3.9, 4.4V FM31276-G 64Kb 4.0-5.5V 3.9, 4.4V FM31276-GTR (tape&reel) VDD VBAK SCL SDA VSS X1 X2 CAL/PFO CNT1 PFI RST A0 A1 CNT2 1 2 3 4 5 6 7 14 13 12 11 10 9 8 |
Nº de peça semelhante - FM31276-GTR |
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Descrição semelhante - FM31276-GTR |
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