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Maxim > 方案 > 机顶盒

存储器

数据资料
显示 标题/型号 关键优势
QV  PDF 高精度、I²C RTC,集成TCXO/晶体/FRAM
DS32B35, DS32C35

非易失存储器,无需备份电源、不受写次数限制
QV  PDF 3.3V、单芯片、1Mb非易失SRAM,带有时钟
DS3045W

DS3045W 3.3V单芯片1M非易失SRAM,集成RTC
QV  PDF 3.3V、单芯片、4Mb非易失SRAM,带有时钟
DS3050W

QV  PDF 3.3V、单芯片、8Mb非易失SRAM
DS2065W

QV  PDF 3.3V、单芯片、4Mb非易失SRAM
DS2050W

QV  PDF 3.3V、单芯片、1Mb非易失SRAM
DS2045W




Key Specifications:  Oscillator Modules
Part Number Freq. Osc. Type Tuning Adjustment Type Freq. Output Type Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm/yr)
Frequency Stability
(±ppm)
VSUPPLY
(V)
0 to +40°C -40 to 0°C/ +40 to +85°C vs. VCC vs. Aging
DS32B35  32.768kHz TCXO Digital CMOS Open-Drain 2 3.5 1 (typ) 5 (0-10 Years)
2.7 to 3.63
3.3
DS32C35 
See All Oscillator Modules (28)

Key Specifications:  Timekeeping & Real-Time Clocks
Part Number Date/ Time Format Interface VSUPPLY
(V)
Time Keeping Current
(nA)
Memory Type Memory Size
(Bytes)
hh = sec/100 typ
DS32B35  YY-MM-DD/ HH:MM:SS I2C
2.7 to 3.63
3.3
840 FRAM
2K
8K
DS32C35 
See All Timekeeping & Real-Time Clocks (80)



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