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M4T28-BR12SH1TR Folha de dados(PDF) 3 Page - STMicroelectronics |
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M4T28-BR12SH1TR Folha de dados(HTML) 3 Page - STMicroelectronics |
3 / 12 page 3/12 M4T28-BR12SH, M4T32-BR12SH SUMMARY DESCRIPTION The M4TXX-BR12SH SNAPHAT® top is a detach- able lithium power source for ST’s non-volatile TIMEKEEPER® surface-mount SOIC (MH) pack- age (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 tem- peratures of the surface mount process. Figure 2. Logic Diagram Table 1. Signal Names AI02528 SNAPHAT VBAT– VBAT+ X1 X2 X1 Crystal Input X2 Crystal Output VBAT– Negative Voltage VBAT+ Positive Voltage |
Nº de peça semelhante - M4T28-BR12SH1TR |
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Descrição semelhante - M4T28-BR12SH1TR |
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