- 制造厂商:TI
- 产品类别:逻辑和电压转换
- 技术类目:专用逻辑 IC - 数字算术 IC
- 功能描述:具有使能端的 8 位等值/幅度比较器 (P=Q)
- 点击这里打开及下载SN74ALS521的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格
These identity comparators perform comparisons on two 8-bit binary or BCD words. The SN74ALS518 provides P = Q outputs, while the ´ALS520 and SN74ALS521 provide P = Q\ outputs. The SN74ALS518 has an open-collector output. The SN74ALS518 and ´ALS520 feature 20-k pullup resistors on the Q inputs for analog or switch data.
The SN54ALS520 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS518, SN74ALS520, and SN74ALS521 are characterized for operation from 0°C to 70°C.
- Compare Two 8-Bit Words
- Choice of Totem-Pole or Open-Collector Outputs
- SN74ALS518 and ′ALS520 Have 20-k Pullup Resistors on Q Inputs
- Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
SN74ALS521 is identical to ′ALS688.
- Number of channels (#)
- 8
- Technology Family
- ALS
- Input type
- Bipolar
- Output type
- Push-Pull
- Features
- High speed (tpd 10-50ns)
SN74ALS521的完整型号有:SN74ALS521DW、SN74ALS521DWR、SN74ALS521N、SN74ALS521NSR,以下是这些产品的关键参数及官网采购报价:
SN74ALS521DW,工作温度:0 to 70,封装:SOIC (DW)-20,包装数量MPQ:25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SN74ALS521DW的批量USD价格:.782(1000+)
SN74ALS521DWR,工作温度:0 to 70,封装:SOIC (DW)-20,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SN74ALS521DWR的批量USD价格:.652(1000+)
SN74ALS521N,工作温度:0 to 70,封装:PDIP (N)-20,包装数量MPQ:20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SN74ALS521N的批量USD价格:.75(1000+)
SN74ALS521NSR,工作温度:0 to 70,封装:SO (NS)-20,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SN74ALS521NSR的批量USD价格:.75(1000+)
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。