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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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DS1384 Folha de dados(PDF) 1 Page - Dallas Semiconductor |
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DS1384 Folha de dados(HTML) 1 Page - Dallas Semiconductor |
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1 / 17 page  1 of 17 091300 FEATURES Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years with leap year compensation valid up to 2100 Watchdog timer restarts an out-of-control processor Alarm function schedules real-time related activities Programmable interrupts and square wave outputs Bytewide RAM-like access 50 bytes of on board user RAM Greater than 10 years timekeeping and data retention in the absence of power with small lithium coin cells Supports up to 128k x 8 of external static RAM All timekeeping registers and on board RAM are individually addressable via the address and data bus ORDERING INFORMATION DS 1384FP-12 44-Pin FP PIN ASSIGNMENT PIN DESCRIPTION INTA - Interrupt Output A (open drain) INTB (INTB) - Interrupt Output B (open drain) A0-A16 - Address Inputs DQ0-DQ7 - Data Input/Output CE - Chip Enable OE - Output Enable WE - Write Enable VCC - +5V Input GND - Ground NC - No Connection SQW - Square Wave Output X1, X2 - 32.768 kHz Crystal Connections PFO - Power Fail Output CEO - Chip Enable RAM OER - Output Enable RAM VCCO - Voltage Out VBAT1 - +3V Battery Input VBAT2 - +3V Battery Input DS1384 Watchdog Timekeeping Controller www.dalsemi.com INTB/(INTB) NC A14 A12 A7 A6 A5 A4 A3 A2 A1 A15 VBAT1 WE A13 A8 A9 A11 OE A10 CE OER 1 11 12 22 23 33 44 34 |
Nº de peça semelhante - DS1384 |
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Descrição semelhante - DS1384 |
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