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Maxim > 方案 > 打印机与传真机

非易失存储器

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、8Mb非易失SRAM
DS1265W
QV  PDF Y2K兼容、非易失时钟RAM
DS1747, DS1747P
QV  PDF Y2K兼容、非易失时钟RAM
DS1746, DS1746P
QV  PDF Y2K兼容、非易失时钟RAM
DS1744, DS1744P
QV  PDF Y2K兼容、非易失时钟RAM
DS1743, DS1743P
QV  PDF 4096k非易失SRAM，带有电池监视器
DS1350AB, DS1350Y
QV  PDF 1024k非易失SRAM，带有电池监视器
DS1345AB, DS1345Y
QV  PDF 256k非易失SRAM，带有电池监控器
DS1330AB, DS1330Y
QV  PDF 16M非易失SRAM
DS1270AB, DS1270Y
QV  PDF 8M非易失SRAM
DS1265AB, DS1265Y
QV  PDF 128k x 16非易失SRAM
DS1258AB, DS1258Y
QV  PDF 4096k非易失SRAM
DS1250AB, DS1250Y
QV  PDF 2048k非易失SRAM
DS1249AB, DS1249Y
QV  PDF 1024k非易失SRAM
DS1245AB, DS1245Y
QV  PDF 256k非易失SRAM
DS1230AB, DS1230Y
QV  PDF 64k非易失SRAM
DS1225AB, DS1225AD
QV  PDF 16k非易失SRAM
DS1220AB, DS1220AD



Key Specifications:   Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number Memory Type Memory Size Bus Type Real-Time Clock DIP with Internal Battery PowerCap Package Battery Monitor With GPIO Supply Voltage (min) (V) Supply Voltage (max) (V)
DS1265W  NV SRAM 1M x 8 Parallel No Yes No No No 3 3.6
DS1220AB  NV SRAM 2K x 8 Parallel No Yes No No No 4.75 5.25
DS1220AD  NV SRAM 2K x 8 Parallel No Yes No No No 4.5 5.5
DS1225AB  NV SRAM 8K x 8 Parallel No Yes No No No 4.75 5.25
DS1225AD  NV SRAM 8K x 8 Parallel No Yes No No No 4.5 5.5
DS1230AB  NV SRAM 32K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1230Y  NV SRAM 32K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1245AB  NV SRAM 128K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1245Y  NV SRAM 128K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1249AB  NV SRAM 256K x 8 Parallel No Yes No No No 4.75 5.25
DS1249Y  NV SRAM 256K x 8 Parallel No Yes No No No 4.5 5.5
DS1250AB  NV SRAM 512K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1250Y  NV SRAM 512K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1265AB  NV SRAM 1M x 8 Parallel No Yes No No No 4.75 5.25
DS1265Y  NV SRAM 1M x 8 Parallel No Yes No No No 4.5 5.5
DS1270AB  NV SRAM 2M x 8 Parallel No Yes No No No 4.75 5.25
DS1270Y  NV SRAM 2M x 8 Parallel No Yes No No No 4.5 5.5
DS1330AB  NV SRAM 32K x 8 Parallel No No Yes Yes No 4.75 5.25
DS1330Y  NV SRAM 32K x 8 Parallel No No Yes Yes No 4.5 5.5
DS1345AB  NV SRAM 128K x 8 Parallel No No Yes Yes No 4.75 5.25
DS1345Y  NV SRAM 128K x 8 Parallel No No Yes Yes No 4.5 5.5
DS1350AB  NV SRAM 512K x 8 Parallel No No Yes Yes No 4.75 5.25
DS1350Y  NV SRAM 512K x 8 Parallel No No Yes Yes No 4.5 5.5
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (54)

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

Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Date/ Time Format (hh = sec/100) Interface Supply Voltage (V) Time- keeping Current (typ) (nA) Memory Type Memory Size (Bytes) Number of Time of Day Alarms
DS32B35  YY-MM-DD/ HH:MM:SS I2C 2.7 to 3.63
3.3 		840 FRAM 2K
8K 		 - 
DS32C35  YY-MM-DD/ HH:MM:SS I2C 2.7 to 3.63
3.3 		840 FRAM 2K
8K 		 - 
DS1743  YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5 		 -  NV SRAM 8K 0
DS1744  YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5 		 -  NV SRAM 32K 0
DS1746  YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5 		 -  NV SRAM 128K 0
DS1747  YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5 		 -  NV SRAM 512K 0
See All Timekeeping & Real-Time Clocks (85)
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