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M4T28-BR12SH6TR 数据表(PDF) 5 Page - STMicroelectronics |
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M4T28-BR12SH6TR 数据表(HTML) 5 Page - STMicroelectronics |
5 / 16 page M4T28-BR12SH, M4T32-BR12SH Description 5/16 1 Description The M4TXX-BR12SH SNAPHAT® top is a detachable lithium power source for ST’s non- volatile TIMEKEEPER® surface-mount SOIC (MH) package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC board. Thus the two piece solution prevents the battery and crystal from being exposed to the high temperatures of the surface mount process. Figure 1. Logic diagram Table 1. Signal names X1 Crystal input X2 Crystal output VBAT– Negative voltage VBAT+ Positive voltage AI02528 SNAPHAT VBAT– VBAT+ X1 X2 |
类似零件编号 - M4T28-BR12SH6TR |
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类似说明 - M4T28-BR12SH6TR |
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