DP8571AN

dip, timer clock peripheral, Two 16-bit timers, 0.5V, 500 mW

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Price:: US $1.00~5.00 / piece [Get Latest Price]

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	US $1.00~5.00

PartNumber:: DP8571AN

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 10+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Total Price:: US $0

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Products Upload time: 2011-11-27

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Part Number:DP8571AN
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ECA1HHG220

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Product Summary

The DP8571AN is a timer clock peripheral. The DP8571AN is intended for use in microprocessor based systems where information is required for multi-tasking, data logging or general time of day/date information. This DP8571AN is implemented in low voltage silicon gate microCMOS technology to provide low standby power in battery back-up environments. The circuits architecture is such that it looks like a contiguous block of memory or I/O ports. The address space is organized as 2 software selectable pages of 32 bytes. The DP8571AN includes the Control Registers, the Clock Counters, the Alarm Compare RAM, the Timers and their data RAM, and the Time Save RAM.

Parametrics

DP8571AN absolute maximum ratings: (1)Supply Voltage (VCC): -0.5V to +7.0V; (2)DC Input Voltage (VIN): -0.5V to VCC +0.5V; (3)DC Output Voltage (VOUT): -0.5V to VCC + 0.5V; (4)Storage Temperature Range: -65℃ to +150℃; (5)Power Dissipation (PD): 500 mW; (6)Lead Temperature (Soldering, 10 sec.): 260℃.

Features

DP8571AN features: (1)Full function real time clock/calendar; (2)12/24 hour mode timekeeping; (3)Day of week and day of years counters; (4)Four selectable oscillator frequencies; (5)Parallel resonant oscillator; (6)Two 16-bit timers; (7)10 MHz external clock frequency; (8)Programmable multi-function output; (9)Flexible re-trigger facilities; (10)Power fail features; (11)Internal power supply switch to external battery; (12)Power Supply Bus glitch protection; (13)Automatic log of time into RAM at power failure.