SN74LV4040A-EP - 增强型产品 12 位异步二进制计数器

SN74LV4040A-EP是TI德州仪器公司的一款计数器/算术/奇偶校验功能产品，SN74LV4040A-EP是增强型产品 12 位异步二进制计数器，本站介绍了SN74LV4040A-EP的封装应用图解、特点和优点、功能等，并给出了与SN74LV4040A-EP相关的TI元器件型号供参考。

SN74LV4040A-EP - 增强型产品 12 位异步二进制计数器 - 计数器/算术/奇偶校验功能 - 特殊逻辑 - 德州仪器

产品描述

产品特性

Controlled Baseline
- One Assembly
- Test Site
- One Fabrication Site
Extended Temperature Performance of -55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree(1)
2-V to 5.5-V VCC Operation
Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V, TA = 25°C
Support Mixed-Mode Voltage Operation on All Ports
High On-Off Output-Voltage Ratio
Low Crosstalk Between Switches
Individual Switch Controls
Extremely Low Input Current
Ioff Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

(1) Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.

DESCRIPTION/ORDERING INFORMATION

The SN74LV4040A device is a 12 bit asynchronous binary counter with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the counter and resets all outputs low. The count is advanced on a high-to-low transition at the clock (CLK) input. Applications include time-delay circuits, counter controls, and frequency-dividing circuits.

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

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