BQ4850YMA-85N

RTC module, 7V, 90mA, DIP

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Price:: US $15.10~20.00 / piece [Get Latest Price]

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PartNumber:: BQ4850YMA-85N

Brand:: Texas Instruments - TI | Pack: DIP | D/C: 09+

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

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Products Upload time: 2012-07-25

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Part Number:BQ4850YMA-85N
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Product Summary

The BQ4850YMA-85N RTC Module is an on-volatile 4,194,304-bit SRAM organized as 524,288 words by 8bits with an integral accessible real-time clock. The BQ4850YMA-85N combines an internal lithium battery, quartz crystal, clock and power-fail chip, and a full CMOS SRAM in a plastic 32-pin DIP module. The BQ4850YMA-85N also contains a power-fail-detect circuit.

Parametrics

BQ4850YMA-85N absolute maximum ratings: (1) VCC DC voltage applied on VCC relative to VSS: -0.3 to 7.0 V; (2) VT DC voltage applied on any pin excluding VCC relative to VSS: -0.3 to 7.0V VT ≤ VCC + 0.3; (3) TOPR Operating temperature: 0 to +70°C; (4) TSTG Storage temperature (VCC off, oscillator off) : -40 to +70 °C; (5) TBIAS Temperature under bias: -10 to +70 °C; (6) TSOLDER Soldering temperature: +260 °C For 10 seconds.

Features

BQ4850YMA-85N features:(1) Integrated SRAM, real-time clock, crystal, power-fail control circuit, and battery; (2) Real-Time Clock counts seconds through years in BCD format; (3) RAM-like clock access; (4) Pin-compatible with industrystandard 512K x 8 SRAMs; (5) Unlimited write cycles; (6) 10-year minimum data retention and clock operation in the absence of power; (7) Automatic power-fail chip deselect and write-protection; (8) Software clock calibration for greater±1 minute per month accuracy.