SN54HC4020 同步 4 位加/减二进制计数器

The ’HC4020 devices are 14-stage binary ripple-carry counters that advance on the negative-going edge of the clock pulse. The counters are reset to zero (all outputs low) independently of the clock (CLK) input when the clear (CLR) input goes high.

	SN54HC4020
Rating	Military
Technology Family	HC

SN54HC4020 特性

• Wide Operating Voltage Range of 2 V to 6 V
• Outputs Can Drive Up To 10 LSTTL Loads
• Low Power Consumption, 80-uA Max ICC
• Typical tpd = 12 ns
• ±4-mA Output Drive at 5 V
• Low Input Current of 1 uA Max

SN54HC4020 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
SN54HC4020J	ACTIVE	-55 to 125	1.91 | 1ku	CDIP (J) | 14	1 | TUBE
SNJ54HC4020FK	ACTIVE	-55 to 125	17.37 | 1ku	LCCC (FK) | 20	1 | TUBE
SNJ54HC4020J	ACTIVE	-55 to 125	3.46 | 1ku	CDIP (J) | 14	1 | TUBE
SNJ54HC4020W	ACTIVE	-55 to 125	15.12 | 1ku	CFP (W) | 14	1 | TUBE

SN54HC4020 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
SN54HC4020J	TBD	A42	N/A for Pkg Type	SN54HC4020J	SN54HC4020J
SNJ54HC4020FK	TBD	POST-PLATE	N/A for Pkg Type	SNJ54HC4020FK	SNJ54HC4020FK
SNJ54HC4020J	TBD	A42	N/A for Pkg Type	SNJ54HC4020J	SNJ54HC4020J
SNJ54HC4020W	TBD	A42	N/A for Pkg Type	SNJ54HC4020W	SNJ54HC4020W

SN54HC4020 应用技术支持与电子电路设计开发资源下载

1. SN54HC4020 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)