- 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 - 数字多路复用器和编码器
- 功能描述：CMOS 8 位优先级编码器
- 点击这里打开及下载CD4532B的技术文档资料
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CD4532B consists of combinational logic that encodes the highest priority input (D7-D0) to a 3-bit binary code. The eight inputs, D7 through D0, each have an assigned priority; D7 is the highest priority and D0 is the lowest. The priority encoder is inhibited when the chip-enable input EI is low. When EI is high, the binary representation of the highest-priority input appears on output lines Q2-Q0, and the group select line GS is high to indicate that priority inputs are present. The enable-out (EO) is high when no priority inputs are present. If any one input is high, EO is low and all cascaded lower-order stages are disabled.
The CD4532B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 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).
- Converts from 1 of 8 to binary
- Provides cascading feature to handle any number of inputs
- Group select indicates one or more priority inputs
- Standardized, symmetrical output characteristics
- 100% tested for quiescent current at 20 V
- Maximum input current of 1 μA at 18 V over full package temperature range; 100 nA at 18 V and 25°C
- Noise margin (full package-temperature range): 0.5 V at VDD = 5 V 1.5 V at VDD = 10 V 1.5 V at VDD = 15 V
- 5-V, 10-V, and 15-V parametric ratings
- Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices"
- Applications:
- Priority encoder
- Binary or BCD encoder (keyboard encoding)
- Floating point arithmetic
Data sheet acquired from Harris Semiconductor
- Technology Family
- CD4000
- Function
- Encoder
- Configuration
- 8:3
- Number of channels (#)
- 1
- Operating temperature range (C)
- -55 to 125
- Rating
- Catalog
CD4532B的完整型号有：CD4532BE、CD4532BM、CD4532BM96、CD4532BNSR、CD4532BPWR，以下是这些产品的关键参数及官网采购报价：
CD4532BE，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CD4532BE的批量USD价格：0.143（1000+）
CD4532BM，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CD4532BM的批量USD价格：0.317（1000+）
CD4532BM96，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CD4532BM96的批量USD价格：0.117（1000+）
CD4532BNSR，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CD4532BNSR的批量USD价格：0.127（1000+）
CD4532BPWR，工作温度：-55 to 125，封装：TSSOP (PW)-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CD4532BPWR的批量USD价格：0.117（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。
