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ST Microelectronics 意法半导 STMicroelectronics N.V.
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Part No. |
M41ST84W M41ST84WMH M41ST84WMH1 M41ST84WMH1TR M41ST84WMQ M41ST84WMQ1 M41ST84YMH1TR M41ST84YMQ1 M41ST84YMH1 M41ST84WSH
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OCR Text |
.... . . . . . . . . . . . . . 15 timekeeper? registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 table 9. timekeeper? register map . . . . . . . . . . . . . . . . . . .... |
Description |
5.0 or 3.0V / 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS 5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS 8 WIRE INLINE COUPLER CROSS-PI 5.0.0V124 × 8串行实时时钟与监督职 SPEAKER BINDING POSTS, GOLD 2 PACK (BLCK & RED) 5.0.0V5124 × 8串行实时时钟与监督职
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File Size |
249.97K /
31 Page |
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DALLAS[Dallas Semiconductor]
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Part No. |
DS1308N DS1307 DS1307N DS1307Z DS1307ZN DS1308
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OCR Text |
...CC falls below VBAT the RAM and timekeeper are switched over to the external power supply (nominal 3.0V DC) at VBAT. VBAT - Battery input for any standard 3-volt lithium cell or other energy source. Battery voltage must be held between 2.0 ... |
Description |
(DS1308) 64 x 8 Serial Real Time Clock
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File Size |
221.83K /
14 Page |
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it Online |
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ST Microelectronics
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Part No. |
M48T02
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OCR Text |
timekeeper ? sram features summary n integrated, ultra low power sram, real time clock, and power-fail control circuit n bytewide? ram-like clock access n bcd coded year, month, day, date, hours, minutes, and seconds n typical clock accurac... |
Description |
16 KBIT (2KB X8) timekeeper SRAM
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File Size |
124.08K /
19 Page |
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it Online |
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Holtek Semiconductor Inc.
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Part No. |
HT1381 HT1380
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OCR Text |
timekeeper chip block diagram pin assignment 1 september 18, 2000 features operating voltage: 2.0v~5.5v maximum input serial clock: 500khz at v dd =2v, 2mhz at v dd =5v operating current: less than 400na at 2v, less than 1.2 aat5v ... |
Description |
Serial timekeeper Chip(串行时钟芯片)
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File Size |
106.22K /
10 Page |
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it Online |
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