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SN74ALS857 具有三态输出的六路 2 线路至 1 线路通用多路复用器

The ´ALS857 are hextuple 2-line to 1-line multiplexers with 3-state outputs. The devices can provide either true (COMP low) or inverted (COMP high) data at the Y outputs. In addition, the ´ALS857 perform the logical AND function (A \x95 B) and the clear function as well. The four modes of operation are:

• Select A-data inputs
• Select B-data inputs
• AND A inputs with B inputs
• Clear

In either of the first two modes, OPER = 0 is high if all the selected A or B inputs are low. The six Y outputs and the OPER = 0 output are all 3-state and rated at 12-mA and 24-mA IOL for the SN54ALS857 and SN74ALS857, respectively. All outputs can be placed in the high-impedance state by applying a high level to the COMP, S0, and S1 inputs simultaneously

	SN74ALS857
Rating	Catalog
Technology Family	ALS

SN74ALS857 特性

• Select True or Complementary Data
• Perform AND/NAND (Masking) of A or B Operand
• Cascadable to Expand Number of Operands
• Detect Zeros on A or B Operands
• 3-State Outputs Interface Directly With System Bus
• Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (NT) and Ceramic (JT) 300-mil DIPs

SN74ALS857 芯片订购指南

器件	状态	温度	价格	封装 | 引脚	封装数量 | 封装载体	丝印标记
SN74ALS857N	ACTIVE	0 to 70	0.90 | 1ku	PDIP (N) | 24	15 | TUBE
SN74ALS857NE4	ACTIVE	0 to 70	0.90 | 1ku	PDIP (N) | 24	15 | TUBE

SN74ALS857 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
SN74ALS857N	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	SN74ALS857N	SN74ALS857N
SN74ALS857NE4	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	SN74ALS857NE4	SN74ALS857NE4

SN74ALS857 应用技术支持与电子电路设计开发资源下载

1. SN74ALS857 数据资料 dataSheet 下载.PDF
2. TI 德州仪器MSI 功能产品选型与价格 . xls
3. Logic Guide 2009 (PDF 4263 KB)
4. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
5. Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
6. TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
7. Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
8. CMOS Power Consumption and CPD Calculation (PDF 89 KB)
9. Designing With Logic (PDF 186 KB)
10. Live Insertion (PDF 150 KB)
11. Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
12. Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
13. HiRel Unitrode Power Management Brochure (PDF 206 KB)
14. LOGIC Pocket Data Book (PDF 6001 KB)
15. HiRel Unitrode Power Management Brochure (PDF 206 KB)
16. Logic Cross-Reference (PDF 2938 KB)