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CD4521B的基本参数
  • 制造厂商:TI
  • 产品类别:逻辑和电压转换
  • 技术类目:触发器、锁存器和寄存器 - 计数器
  • 功能描述:CMOS 24 级分频器
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CD4521B的产品详情:

CD4521B consists of an oscillator section and 24 ripple-carry binary counter stages. The oscillator configuration (using IN1) allows design of either RC or crystal oscillator circuits. IN1 should be tied either HIGH or LOW when not in use. A HIGH on the RESET causes the counter to go to the all-0’s state and disables the oscillator. The count is advanced on the negative transition of IN1 (and IN2). A time-saving test mode is described in the Functional Test Sequence Table and in Fig. 6.

The CD4521B types are supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

CD4521B的优势和特性:
  • Reset disables the RC oscillator for low-power standby condition
  • VDD’ and VSS’ pins are brought out from the crystal oscillator to allow use of external resistors for low-power operation
  • Maximum input current of 1 μA at 18 V over full package-temperature range: 100 nA at 18 V and 25°C
  • Common reset
  • 100% tested for 20-V quiescent current
  • 5, 10 and 15 V parametric ratings
  • Standardized symmetrical output characteristics
  • Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"

Data sheet acquired from Harris Semiconductor

CD4521B的参数(英文):
  • Function
  • Frequency divider
  • Bits (#)
  • 4
  • Technology Family
  • CD4000
  • Supply voltage (Min) (V)
  • 3
  • Supply voltage (Max) (V)
  • 18
  • Input type
  • Standard CMOS
  • Output type
  • Push-Pull
  • Features
  • Standard speed (tpd > 50ns), Partial power down (Ioff)
CD4521B具体的完整产品型号参数及价格(美元):

CD4521B的完整型号有:CD4521BE、CD4521BM、CD4521BM96、CD4521BMT、CD4521BNSR、CD4521BPW,以下是这些产品的关键参数及官网采购报价:

CD4521BE,工作温度:-55 to 125,封装:PDIP (N)-16,包装数量MPQ:25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CD4521BE的批量USD价格:.153(1000+)

CD4521BM,工作温度:-55 to 125,封装:SOIC (D)-16,包装数量MPQ:40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CD4521BM的批量USD价格:.334(1000+)

CD4521BM96,工作温度:-55 to 125,封装:SOIC (D)-16,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CD4521BM96的批量USD价格:.134(1000+)

CD4521BMT,工作温度:-55 to 125,封装:SOIC (D)-16,包装数量MPQ:250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CD4521BMT的批量USD价格:.334(1000+)

CD4521BNSR,工作温度:-55 to 125,封装:SO (NS)-16,包装数量MPQ:2000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CD4521BNSR的批量USD价格:.146(1000+)

CD4521BPW,工作温度:-55 to 125,封装:TSSOP (PW)-16,包装数量MPQ:90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CD4521BPW的批量USD价格:.134(1000+)

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CD4521B的评估套件:

14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM

该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。

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