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UPD4990AG是什么作用： Calendar watch
UPD4990AG类似电子元器件：
- UPD43256BCZ-70L
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 70 ns
- UPD43256BCZ-70LL
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 70 ns
- UPD43256BCZ-85LL
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 85 ns
- UPD43256BGU-70L
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 70 ns
- UPD43256BGU-70L
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 70 ns
- UPD43256BGU-70LL
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 70 ns
- UPD43256BGU-85L
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 85 ns
- UPD43256BGU-85LL
- 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 85 ns
UPD4990AG PDF资料和参数原理简介
品牌 : NEC
封装形式 : 16-P-SOP
引脚数量 : 0
温度范围 : 最小 0 °C | 最大 0 °C
文件大小 : 141 KB
功能应用 : Calendar watch
UPD4990AG PDF资料下载