DS1557 Maxim, DS1557 Datasheet - Page 13
DS1557
Manufacturer Part Number
DS1557
Description
The DS1557 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 512k x 8 nonvolatile static RAM
Manufacturer
Maxim
Datasheet
1.DS1557.pdf
(17 pages)
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DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
Figure 6. Write Cycle Timing, Write-Enable Controlled
Figure 7. Write Cycle Timing, Chip-Enable Controlled
13 of 17
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