поискавой системы для электроныых деталей |
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FM31T372 датащи(PDF) 2 Page - Ramtron International Corporation |
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FM31T372 датащи(HTML) 2 Page - Ramtron International Corporation |
2 / 26 page FM31T372/374/376/378-G Rev. 1.1 Apr. 2011 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 VSS Ground VBAK Battery-Backup Supply PFI Early Power-fail Input /INT Event Counter Driven Interrupt Output FOUT 32.768 kHz Clock Output SDA Serial Data SCL Serial Clock VDD Supply Voltage Ordering Information Base Configuration Memory Size Operating Voltage Reset Threshold Ordering Part Number FM31T378 256Kb 2.7-5.5V 2.6V, 2.9, 3.9, 4.4V FM31T378-G FM31T376 64Kb 2.7-5.5V 2.6V, 2.9, 3.9, 4.4V FM31T376-G FM31T374 16Kb 2.7-5.5V 2.6V, 2.9, 3.9, 4.4V FM31T374-G FM31T372 4Kb 2.7-5.5V 2.6V, 2.9, 3.9, 4.4V FM31T372-G VDD VBAK SCL SDA VSS /INT FOUT CAL/PFO CNT1 PFI RST A0 A1 CNT2 1 2 3 4 5 6 7 14 13 12 11 10 9 8 |
Аналогичный номер детали - FM31T372 |
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Аналогичное описание - FM31T372 |
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