销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Arrow(艾睿) | RTC-72421B | EPSON | 时钟/计时 - 实时时钟 - 集成电路 (IC) | 1+:¥31.72 10+:¥31.72 100+:¥30.98 250+:¥30.98 500+:¥30.98 1000+:¥29.57 2500+:¥28.44 5000+:¥28.44 10000+:¥29.07011+:¥35.6199 10+:¥34.5425+:¥78.75 100+:¥75.01 250+:¥71.43 500+:¥67.931+:¥34.22 |
 ChipOneStop | RTC-72421B | Seiko Instruments | | 1+:¥31.72 10+:¥31.72 100+:¥30.98 250+:¥30.98 500+:¥30.98 1000+:¥29.57 2500+:¥28.44 5000+:¥28.44 10000+:¥29.07011+:¥35.6199 10+:¥34.54 |
 Digi-Key 得捷电子 | RTC-72421B | EPSON | 时钟/计时 - 实时时钟 - 集成电路 (IC) | 1+:¥31.72 10+:¥31.72 100+:¥30.98 250+:¥30.98 500+:¥30.98 1000+:¥29.57 2500+:¥28.44 5000+:¥28.44 10000+:¥29.0701 |
 Digi-Key 得捷电子 | RTC-72421B | EPSON | IC RTC CLK/CALENDAR PAR 18-DIP | Obsolete |
 Digi-Key 得捷电子 | RTC-72421B: PURE SN | EPSON | IC REAL TIME CLOCK/CALENDAR | Obsolete |
 Mouser 贸泽电子 | RTC-72421B:ROHS | Epson Timing | 实时时钟 4-Bit 12/24 Hr 50ppm 18 pin | 1:¥57.0198 10:¥51.3246 25:¥46.7933 50:¥43.6406
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 RS(欧时) | RTC-72421B | EPCOS | | 1+:¥31.72 10+:¥31.72 100+:¥30.98 250+:¥30.98 500+:¥30.98 1000+:¥29.57 2500+:¥28.44 5000+:¥28.44 10000+:¥29.07011+:¥35.6199 10+:¥34.5425+:¥78.75 100+:¥75.01 250+:¥71.43 500+:¥67.93 |
 Verical | RTC-72421B | EPSON | 时钟/计时 - 实时时钟 - 集成电路 (IC) | 1+:¥31.72 10+:¥31.72 100+:¥30.98 250+:¥30.98 500+:¥30.98 1000+:¥29.57 2500+:¥28.44 5000+:¥28.44 10000+:¥29.07011+:¥35.6199 10+:¥34.5425+:¥78.75 100+:¥75.01 250+:¥71.43 500+:¥67.931+:¥34.221+:¥28.63 |