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CD74HC139 高速 CMOS 逻辑双路 2 至 4 线路解码器/多路解复用器

The ’HC139 and ’HCT139 devices contain two independent binary to one of four decoders each with a single active low enable input (1E\ or 2E\). Data on the select inputs (1A0 and 1A1 or 2A0 and 2A1) cause one of the four normally high outputs to go low.

If the enable input is high all four outputs remain high. For demultiplexer operation the enable input is the data input. The enable input also functions as a chip select when these devices are cascaded. This device is functionally the same as the CD4556B and is pin compatible with it.

The outputs of these devices can drive 10 low power Schottky TTL equivalent loads. The HCT logic family is functionally as well as pin equivalent to the LS logic family

	CD74HC139
Rating	Catalog
Technology Family	HC

CD74HC139 特性

• Multifunction Capability
  • Binary to 1 of 4 Decoders or 1 to 4 Line Demultiplexer
• Active Low Mutually Exclusive Outputs
• Fanout (Over Temperature Range)
  • Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
  • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55°C to 125°C
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types
  • 2V to 6V Operation
  • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
• HCT Types
  • 4.5V to 5.5V Operation
  • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
  • CMOS Input Compatibility, Il 1µA at VOL, VOH
• Memory Decoding, Data Routing, Code Conversion

CD74HC139 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
CD74HC139E	ACTIVE	-55 to 125	0.34 | 1ku	PDIP (N) | 16	25 | TUBE
CD74HC139EE4	ACTIVE	-55 to 125	0.34 | 1ku	PDIP (N) | 16	25 | TUBE
CD74HC139M	ACTIVE	-55 to 125	0.37 | 1ku	SOIC (D) | 16	40 | TUBE
CD74HC139M96	ACTIVE	-55 to 125	0.31 | 1ku	SOIC (D) | 16	2500 | LARGE T&R
CD74HC139M96E4	ACTIVE	-55 to 125	0.31 | 1ku	SOIC (D) | 16	2500 | LARGE T&R
CD74HC139M96G4	ACTIVE	-55 to 125	0.31 | 1ku	SOIC (D) | 16	2500 | LARGE T&R
CD74HC139ME4	ACTIVE	-55 to 125	0.37 | 1ku	SOIC (D) | 16	40 | TUBE
CD74HC139MG4	ACTIVE	-55 to 125	0.37 | 1ku	SOIC (D) | 16	40 | TUBE

CD74HC139 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
CD74HC139E	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	CD74HC139E	CD74HC139E
CD74HC139EE4	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	CD74HC139EE4	CD74HC139EE4
CD74HC139M	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139M	CD74HC139M
CD74HC139M96	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139M96	CD74HC139M96
CD74HC139M96E4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139M96E4	CD74HC139M96E4
CD74HC139M96G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139M96G4	CD74HC139M96G4
CD74HC139ME4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139ME4	CD74HC139ME4
CD74HC139MG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CD74HC139MG4	CD74HC139MG4

CD74HC139 应用技术支持与电子电路设计开发资源下载

1. CD74HC139 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)