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Product Overview
The SN74HC4040DR from Texas Instruments is a high-speed 12-stage binary ripple counter fabricated using advanced silicon-gate CMOS technology. It operates over a wide supply voltage range of 2V to 6V, making it suitable for battery-powered and industrial applications. The device features 12 fully synchronous counter stages with a ripple carry output for cascading. Housed in a compact 16-SO package, it offers low power consumption and high noise immunity.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Maximum Clock Frequency |
25 MHz (at 5V) |
| Number of Stages |
12 |
| Output Drive Capability |
±4 mA at 5V |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-SO (SOIC-16) |
| Propagation Delay (CP to Q) |
15 ns (typical at 5V) |
| Input Capacitance |
3 pF |
| Power Dissipation |
500 mW |
Key Features
- 12-stage binary ripple counter with asynchronous reset
- Wide operating voltage range: 2V to 6V
- High-speed operation: 25 MHz typical at 5V
- Low power consumption: 80 µA max at 25°C
- Balanced propagation delays and transition times
- Schmitt-triggered clock input for slow or noisy clock signals
- Outputs can drive up to 10 LSTTL loads
- Pin-compatible with HC/HCT family
Target Applications
- Frequency dividers in 5G base station timing modules
- Time delay generation in automotive dashboard displays
- Counter/timer circuits in industrial PLCs
- Binary counting in digital multimeters
- Sequential logic in IoT sensor nodes
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC4040DR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
SN74HC4040DR 是德州儀器(TI)推出的一款高速12級二進制紋波計數器,採用先進的硅柵CMOS工藝製造。它可在2V至6V的寬電源電壓範圍內工作,適用於電池供電和工業應用。該器件具有12個完全同步的計數級,並提供紋波進位輸出以實現級聯。採用緊湊的16-SO封裝,功耗低且抗干擾能力強。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 最大時鐘頻率 |
25 MHz (5V時) |
| 計數級數 |
12 |
| 輸出驅動能力 |
±4 mA (5V時) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SO (SOIC-16) |
| 傳播延遲 (CP 到 Q) |
15 ns (典型值,5V時) |
| 輸入電容 |
3 pF |
| 功耗 |
500 mW |
核心特性
- 12級二進制紋波計數器,帶異步復位
- 寬工作電壓範圍:2V 至 6V
- 高速運行:5V時典型值25 MHz
- 低功耗:25°C時最大80 µA
- 平衡的傳播延遲和轉換時間
- 施密特觸發時鐘輸入,適用於緩慢或噪聲時鐘信號
- 輸出可驅動多達10個LSTTL負載
- 與HC/HCT系列引腳兼容
典型應用場景
- 5G基站定時模塊中的分頻器
- 汽車儀表盤顯示中的延時生成
- 工業PLC中的計數器/定時器電路
- 數字萬用表中的二進制計數
- 物聯網傳感器節點中的順序邏輯
環球供應鏈與批發合作夥伴方案
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