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SE555的基本参数
  • 制造厂商:TI
  • 产品类别:时钟和计时
  • 技术类目:实时时钟 (RTC) 和计时器
  • 功能描述:工作温度范围为 -55°C 至 125°C 的精密计时器
  • 点击这里打开及下载SE555的技术文档资料
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SE555的产品详情:

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.

SE555的优势和特性:
  • Timing From Microseconds to Hours
  • Astable or Monostable Operation
  • Adjustable Duty Cycle
  • TTL-Compatible Output Can Sink or Source Up to 200 mA
  • On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.
SE555的参数(英文):
  • Iq (Typ) (uA)
  • 4000
  • Rating
  • Catalog
  • Operating temperature range (C)
  • -55 to 125
  • Supply voltage (Max) (V)
  • 18
  • Supply voltage (Min) (V)
  • 4.5
SE555具体的完整产品型号参数及价格(美元):

SE555的完整型号有:SE555D、SE555DG4、SE555DR、SE555DRG4、SE555P,以下是这些产品的关键参数及官网采购报价:

SE555D,工作温度:-55 to 125,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SE555D的批量USD价格:.277(1000+)

SE555DG4,工作温度:-55 to 125,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SE555DG4的批量USD价格:.285(1000+)

SE555DR,工作温度:-55 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SE555DR的批量USD价格:.095(1000+)

SE555DRG4,工作温度:-55 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SE555DRG4的批量USD价格:.085(1000+)

SE555P,工作温度:-55 to 125,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网SE555P的批量USD价格:.101(1000+)

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SE555的评估套件:

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