型号 | 品牌 | 获取价格 | 描述 | 数据表 |
UPD4990A | NEC |
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SERIAL I/O CALENDAR & CLOCK CMOS LSI | |
UPD4990AC | NEC |
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SERIAL I/O CALENDAR & CLOCK CMOS LSI | |
UPD4990AC-A | NEC |
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Real Time Clock, 0 Timer(s), CMOS, PDIP14, DIP-14 | |
UPD4990AG | NEC |
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SERIAL I/O CALENDAR & CLOCK CMOS LSI | |
UPD4990AG-A | NEC |
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Consumer Circuit, CMOS, PDSO16, 0.300 INCH, PLASTIC, SOP-16 | |
UPD4991A | NEC |
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4-BIT PARALLEL I/O CALENDAR CLOCK | |
UPD4991ACX | NEC |
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4-BIT PARALLEL I/O CALENDAR CLOCK | |
UPD4991ACX-A | NEC |
获取价格 |
暂无描述 | |
UPD4991AGS | NEC |
获取价格 |
4-BIT PARALLEL I/O CALENDAR CLOCK | |
UPD4991AGS-A | RENESAS |
获取价格 |
UPD4991AGS-A |