类别是'category.RTCs(实时时钟)' (3750)
- 所有品牌
对比 | 图片 | 产品型号 | 品牌 | 数据表 | 库存 | 价格(含增值税) | 数量 | Rohs | 工厂交货时间 | 触点镀层 | 底架 | 安装类型 | 包装/外壳 | 表面安装 | 引脚数 | 供应商器件包装 | 厂商 | 操作温度 | 包装 | 已出版 | 系列 | JESD-609代码 | 无铅代码 | 零件状态 | 湿度敏感性等级(MSL) | 终止次数 | ECCN 代码 | 类型 | 端子表面处理 | 最高工作温度 | 最小工作温度 | 附加功能 | HTS代码 | 电压 - 供电 | 端子位置 | 峰值回流焊温度(摄氏度) | 电源电压 | 端子间距 | Reach合规守则 | 时间@峰值回流温度-最大值(s) | 基本部件号 | 引脚数量 | JESD-30代码 | 功能 | 资历状况 | 工作电源电压 | 电源电压-最大值(Vsup) | 电源 | 温度等级 | 界面 | 最大电源电压 | 最小电源电压 | 内存大小 | uPs/uCs/外围ICs类型 | 时钟频率 | 逻辑功能 | 外部数据总线宽度 | 定时器数量 | 时间格式 | 日期格式 | 最大计时电流 | 时间-最小值 | 中断能力 | 电压 - 供电,电池 | 易失性 | 信息访问方法 | 特征 | 座位高度(最大) | 长度 | 宽度 | 器件厚度 | 辐射硬化 | RoHS状态 | 无铅 | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | DS1744P-70 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 34-PowerCap™ Module | YES | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | 锡铅 | 包含晶体和电池的Powercap模块 | 4.5V~5.5V | DUAL | 240 | 5V | 未说明 | 28 | R-XDMA-U28 | COMMERCIAL | Parallel | 32KB | 0.032MHz | 8 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 5V | 3V | Leap Year, NVSRAM, Y2K | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1248WP-120 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 34-PowerCap™ Module | YES | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 34 | 幻影时间芯片 | 锡铅 | 2.97V~3.63V | DUAL | 240 | 3.3V | unknown | 未说明 | 34 | R-XDMA-U34 | COMMERCIAL | Parallel | 128KB | 8.3MHz | 8 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 7mA @ 3.3V | 3V | NVSRAM | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1553WP-150 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 34-PowerCap™ Module | YES | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 34 | Clock/Calendar | 锡铅 | 包含晶体和电池的Powercap模块 | 2.97V~3.63V | DUAL | 240 | 3.3V | 未说明 | 34 | R-XDMA-U34 | COMMERCIAL | Parallel | 8KB | 0.032MHz | 8 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2mA @ 3.3V | 3V | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS17285S-3NT | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 24-SOIC (0.295, 7.50mm Width) | YES | -40°C~85°C | Tape & Reel (TR) | e0 | no | Obsolete | 3 (168 Hours) | 24 | Clock/Calendar | 锡铅 | 2.7V~3.7V | DUAL | 245 | 3V | 1.27mm | 未说明 | 24 | R-PDSO-G24 | COMMERCIAL | Parallel | 2KB | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2mA @ 2.7V~3.7V | 2.5V~3.7V | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2.67mm | 17.9mm | 7.5mm | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1553W-120 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 通孔 | 28-DIP Module (0.600, 15.24mm) | NO | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | 锡铅 | 2.97V~3.63V | DUAL | 240 | 3.3V | 2.54mm | 未说明 | 28 | R-PDIP-P28 | COMMERCIAL | Parallel | 8KB | 0.032MHz | 8 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2mA @ 3.3V | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 9.398mm | 38.862mm | 15.24mm | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | MAX31341BEWC | Maxim Integrated | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 12-WFBGA, WLBGA | -40°C~85°C | 活跃 | 1 (Unlimited) | Clock/Calendar | 1.6V~3.6V | I2C | 64B | HH:MM:SS (24 hr) | YY-MM-DD-dd | 0.33μA~0.39μA @ 1.6V~3.6V | 1.6V~3.6V | Alarm, Leap Year, Square Wave Output | ROHS3 Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
DS17885E-3 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 28-TSSOP (0.465, 11.80mm Width) | YES | 0°C~70°C | Tray | e0 | no | Obsolete | 3 (168 Hours) | 28 | Real Time Clock (RTC) | 锡铅 | 3V | DUAL | 240 | 3V | 0.55mm | 20 | 28 | R-PDSO-G28 | COMMERCIAL | Multiplexed | 8K | 0.032MHz | 8 | 1 | HH:MM:SS | YYYY-MM-DD | PARALLEL, MUXED BUS | 1.2mm | 11.8mm | 8mm | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1685S-3 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 24-SOIC (0.295, 7.50mm Width) | YES | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 24 | Clock/Calendar | 锡铅 | 2.7V~3.7V | DUAL | 245 | 3V | 1.27mm | 未说明 | 24 | R-PDSO-G24 | COMMERCIAL | Parallel | 242B | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2mA @ 3V | 2.5V~3.7V | Alarm, NVSRAM, Square Wave Output, Y2K | 2.65mm | 15.4mm | 7.5mm | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | X1228V14I-4.5A | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 14-TSSOP (0.173, 4.40mm Width) | YES | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 14 | Clock/Calendar | 锡铅 | 2.7V~5.5V | DUAL | 240 | 5V | 0.65mm | 30 | 14 | R-PDSO-G14 | COMMERCIAL | I2C, 2-Wire Serial | 0.032MHz | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.2mm | 5mm | 4.4mm | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
DS1558W | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 48-LQFP | YES | -40°C~85°C | Tray | e0 | no | Obsolete | 3 (168 Hours) | 48 | Clock/Calendar | 锡铅 | 2.97V~3.63V | QUAD | 245 | 3.3V | 0.5mm | unknown | 未说明 | 48 | S-PQFP-G48 | COMMERCIAL | Parallel | 0.032MHz | 8 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2mA @ 3.3V | 2.5V~3.7V | Alarm, Leap Year, Watchdog Timer, Y2K | 1.2mm | 7mm | 7mm | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1554-70 | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 通孔 | 32-DIP Module (0.600, 15.24mm) | NO | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 32 | Clock/Calendar | 锡铅 | IT CAN ALSO OPERATE WITH 5V | 4.5V~5.5V | DUAL | 240 | 5V | 2.54mm | 未说明 | 32 | R-PDIP-P32 | COMMERCIAL | Parallel | 32KB | 0.032MHz | 8 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 9.27mm | 38.675mm | 15.24mm | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | X1288S16-4.5A | Rochester Electronics, LLC | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 16-SOIC (0.295, 7.50mm Width) | YES | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 16 | Clock/Calendar | 锡铅 | 4.5V~5.5V | DUAL | 240 | 5V | 1.27mm | 未说明 | 16 | R-PDSO-G16 | COMMERCIAL | I2C, 2-Wire Serial | 0.032MHz | 1 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | 2.65mm | 10.3mm | 7.5mm | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | X1227S8I | Renesas Electronics America Inc. | 数据表 | 269 In Stock | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 8-SOIC (0.154, 3.90mm Width) | -40°C~85°C | Tube | 2005 | Obsolete | 1 (Unlimited) | Clock/Calendar | 4.5V~5.5V | X1227 | I2C, 2-Wire Serial | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | Alarm, Leap Year, Supervisor, Watchdog Timer | Non-RoHS Compliant | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1501WSN T&R | Maxim Integrated | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 表面贴装 | 28-SOIC (0.295, 7.50mm Width) | 28 | 28-SOIC | -40°C~85°C | Tape & Reel (TR) | 2013 | Obsolete | 1 (Unlimited) | Clock/Calendar | 85°C | -40°C | 3V~3.6V | DS1501 | 3.3V | Parallel | 3.6V | 3V | 256B | Clock | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 3V~3.6V | 2.5V~3.7V | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 无 | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | X1228V14I-4.5A | Renesas Electronics America Inc. | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 14-TSSOP (0.173, 4.40mm Width) | -40°C~85°C | Tube | Obsolete | 1 (Unlimited) | Clock/Calendar | 2.7V~5.5V | X1228 | I2C, 2-Wire Serial | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | Alarm, Leap Year, Supervisor, Watchdog Timer | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | PT7C4363BZEEX | Diodes Incorporated | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 20 Weeks | 表面贴装 | 8-WFDFN Exposed Pad | -40°C~85°C TA | Tape & Reel (TR) | 活跃 | 1 (Unlimited) | Clock/Calendar | 1.3V~5.5V | 未说明 | 未说明 | I2C, 2-Wire Serial | HH:MM:SS (24 hr) | YY-MM-DD-dd | 0.85μA~0.9μA @ 3V~5V | Alarm, Leap Year, Square Wave Output | 符合RoHS标准 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PCF85263ATL | NXP Semiconductors | 数据表 | 20 In Stock | - | 最小起订量: 1 最小包装量: 1 | EAR99 | 8542.39.00.01 | Serial | 0.9 | 5|2.5|1.8|3.3 | 5.5 | 300 | -40 | 85 | DFN | DFN EP | 表面贴装 | 0.45(Max) | 2.6 | 2.6 | 10 | No Lead | 活跃 | 10 | Clock/Calendar/Alarm/Timer/Interrupt | HH:MM:SS | DW:DM:M:Y | 供应商未确认 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | RV-2123-C2 32.768KHZ 20PPM TA QA | Micro Crystal AG | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 10-TCDFN Exposed Pad | 10-SON (5x3.2) | EAR99 | 8542.39.00.01 | Serial (4-Wire, SPI) | 1.1 | 5|1.8|2.5|3.3 | 5.5 | -40 | Micro Crystal AG | 85 | 汽车 | CSMD | 表面贴装 | 1.2(Max) | 5 | 3.2 | 10 | Bulk | 活跃 | -40°C ~ 85°C (TA) | 卷带 | Automotive, AEC-Q100 | Clock/Calendar | 5.5V | 10 | Clock/Calendar/Alarm/Timer/Interrupt | SPI, 4-Wire Serial | - | HH:MM:SS | DW:DM:M:Y | 180nA @ 3V | - | Alarm, Leap Year | 符合RoHS标准 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
PCF2123TS | NXP Semiconductors | 数据表 | 16888 In Stock | - | 最小起订量: 1 最小包装量: 1 | EAR99 | 8542.39.00.01 | Serial (3-Wire, SPI) | 1.1 | 5|2.5|1.8|3.3 | 5.5 | 300 | -40 | 85 | SOP | TSSOP | 表面贴装 | 0.95(Max) | 5.1(Max) | 4.5(Max) | 14 | Gull-wing | 活跃 | 14 | Clock/Calendar/Alarm/Timer/Interrupt | HH:MM:SS | DW:DM:M:Y | 符合RoHS标准 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | 1339-31DVGI | Integrated Device Technology (IDT) | 数据表 | 10 In Stock | - | 最小起订量: 1 最小包装量: 1 | 7 Weeks | Tin | 表面贴装 | TSSOP | 8 | 2006 | e3 | yes | 活跃 | 3 (168 Hours) | 8 | EAR99 | 85°C | -40°C | DUAL | 260 | 0.65mm | 30 | 8 | 3.3V | 3.6/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.45V | 0.032MHz | Clock | 1 | HH:MM:SS | YY-MM-DD-dd | SECONDS | Y | YES | I2C | 1.1mm | 3mm | 3mm | 970μm | 无 | 符合RoHS标准 | 无铅 | |||||||||||||||||||||||||||||||||||||||||||||||
![]() | 1339-2DCGI8 | Integrated Device Technology (IDT) | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 7 Weeks | Tin | 表面贴装 | SOIC | 8 | Tape & Reel | 2006 | 活跃 | 85°C | -40°C | 2V | 2-Wire, I2C, Serial | 5.5V | 1.4V | Clock | HH:MM:SS | YY-MM-DD-dd | 4.9mm | 3.9mm | 1.5mm | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | 1339-2DCGI | Integrated Device Technology (IDT) | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 7 Weeks | Tin | 表面贴装 | SOIC | 8 | 2006 | e3 | yes | 活跃 | 1 (Unlimited) | 8 | EAR99 | 85°C | -40°C | DUAL | 260 | 3.3V | 1.27mm | 30 | 8 | 不合格 | 2V | 2.5/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 1.4V | 0.032MHz | Clock | 1 | HH:MM:SS | YY-MM-DD-dd | SECONDS | Y | YES | I2C | 1.75mm | 4.9mm | 3.9mm | 1.5mm | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||||||||||
![]() | 1337AGDCGI8 | Integrated Device Technology (IDT) | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 7 Weeks | 表面贴装 | SOIC | 8 | 2006 | e3 | yes | 活跃 | 1 (Unlimited) | 8 | EAR99 | Matte Tin (Sn) | 85°C | -40°C | DUAL | 260 | 3.3V | 1.27mm | 30 | 8 | 不合格 | 5.5V | 2/5V | INDUSTRIAL | 2-Wire, I2C, Serial | TIMER, REAL TIME CLOCK | 0.032MHz | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SECONDS | Y | YES | I2C | 1.75mm | 4.9mm | 3.9mm | 1.5mm | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DS1339C-2 | Maxim Integrated | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | SOIC | 16 | e0 | no | 1 (Unlimited) | 16 | EAR99 | Tin/Lead (Sn/Pb) | 85°C | -40°C | 8542.39.00.01 | DUAL | 240 | 2V | 1.27mm | 20 | 16 | 2V | INDUSTRIAL | 2-Wire, I2C, Serial | 2.2V | 1.8V | 0.032MHz | Clock | 1 | HH:MM:SS | YY-MM-DD-dd | I2C | 2.65mm | 10.3mm | 7.5mm | 无 | 符合RoHS标准 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | ISL12027IBAZ-T | Intersil (Renesas Electronics America) | 数据表 | 42 In Stock | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | SOIC | Tape & Reel | 2010 | e3 | 活跃 | 1 (Unlimited) | 8 | EAR99 | Matte Tin (Sn) - annealed | 85°C | -40°C | 8542.39.00.01 | DUAL | 260 | 3.3V | 1.27mm | 40 | 8, 8 | R-PDSO-G8 | 3.3V | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | 0.032MHz | Clock | HH:MM:SS | YY-MM-DD-dd | SECONDS | Y | NO | I2C | 1.75mm | 4.9mm | 3.9mm | 无 | 符合RoHS标准 |
DS1744P-70
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1248WP-120
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1553WP-150
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS17285S-3NT
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1553W-120
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
MAX31341BEWC
Maxim Integrated
分类:Clock/Timing - Real Time Clocks
DS17885E-3
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1685S-3
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
X1228V14I-4.5A
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1558W
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
DS1554-70
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
X1288S16-4.5A
Rochester Electronics, LLC
分类:Clock/Timing - Real Time Clocks
X1227S8I
Renesas Electronics America Inc.
分类:Clock/Timing - Real Time Clocks
DS1501WSN T&R
Maxim Integrated
分类:Clock/Timing - Real Time Clocks
X1228V14I-4.5A
Renesas Electronics America Inc.
分类:Clock/Timing - Real Time Clocks
PT7C4363BZEEX
Diodes Incorporated
分类:Clock/Timing - Real Time Clocks
PCF85263ATL
NXP Semiconductors
分类:Clock/Timing - Real Time Clocks
RV-2123-C2 32.768KHZ 20PPM TA QA
Micro Crystal AG
分类:Clock/Timing - Real Time Clocks
PCF2123TS
NXP Semiconductors
分类:Clock/Timing - Real Time Clocks
1339-31DVGI
Integrated Device Technology (IDT)
分类:Clock/Timing - Real Time Clocks
1339-2DCGI8
Integrated Device Technology (IDT)
分类:Clock/Timing - Real Time Clocks
1339-2DCGI
Integrated Device Technology (IDT)
分类:Clock/Timing - Real Time Clocks
1337AGDCGI8
Integrated Device Technology (IDT)
分类:Clock/Timing - Real Time Clocks
DS1339C-2
Maxim Integrated
分类:Clock/Timing - Real Time Clocks
ISL12027IBAZ-T
Intersil (Renesas Electronics America)
分类:Clock/Timing - Real Time Clocks
