CY74FCT191AT 可预设置的同步 4 位加/减二进制计数器

The CY74FCT191T is a reversible modulo-16 binary counter, featuring synchronous counting and asynchronous presetting. The preset allows the CY74FCT191T to be used in programmable dividers. The count enable input, terminal count output, and ripple-clock output make possible a variety of methods of implementing multiusage counters. In the counting modes, state changes are initiated by the rising edge of the clock.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down

	CY74FCT191AT
Rating	Military
Technology Family	FCT

CY74FCT191AT 特性

• Function, Pinout, and Drive Compatible With FCT and F Logic
• Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions
• Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
• Ioff Supports Partial-Power-Down Mode Operation
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)
  • 1000-V Charged-Device Model (C101)
• Matched Rise and Fall Times
• 64-mA Output Sink Current
  32-mA Output Source Current

CY74FCT191AT 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
CY74FCT191ATSOC	ACTIVE	-40 to 85	0.95 | 1ku	SOIC (DW) | 16	40 | TUBE
CY74FCT191ATSOCE4	ACTIVE	-40 to 85	0.95 | 1ku	SOIC (DW) | 16	40 | TUBE
CY74FCT191ATSOCG4	ACTIVE	-40 to 85	0.95 | 1ku	SOIC (DW) | 16	40 | TUBE

CY74FCT191AT 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
CY74FCT191ATSOC	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CY74FCT191ATSOC	CY74FCT191ATSOC
CY74FCT191ATSOCE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CY74FCT191ATSOCE4	CY74FCT191ATSOCE4
CY74FCT191ATSOCG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	CY74FCT191ATSOCG4	CY74FCT191ATSOCG4

CY74FCT191AT 应用技术支持与电子电路设计开发资源下载

1. CY74FCT191AT 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)