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M48T212VSH 데이터 시트보기 (PDF) - STMicroelectronics

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상세내역
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M48T212VSH
STMICROELECTRONICS
STMicroelectronics 
M48T212VSH Datasheet PDF : 35 Pages
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List of figures
List of figures
M48T212V
Figure 1.
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Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOIC connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chip enable control and bank select timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Read cycle timing: RTC control signal waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Write cycle timing: RTC control signal waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Alarm interrupt reset waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Back-up mode alarm waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
(RSTIN1 & RSTIN2) timing waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Crystal accuracy across temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Calibration waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
AC testing load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Power down/up mode AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SOH44 – 44-lead plastic small outline, SNAPHAT, package outline . . . . . . . . . . . . . . . . . 30
SH – 4-pin SNAPHAT housing for 48 mAh battery & crystal, package outline. . . . . . . . . . 31
SH – 4-pin SNAPHAT housing for 120mAh battery & crystal, package outline . . . . . . . . . 32
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