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Product Overview
The SN74AHC574NSR is an advanced high-speed CMOS octal D-type flip-flop with 3-state outputs from Texas Instruments. It features an 8-bit edge-triggered register with non-inverting outputs, designed for use in 2-V to 5.5-V VCC operations. The device is ideal for driving bus lines or buffer memory address registers, offering high noise immunity and low power consumption. Housed in a 20-pin SO package, it is suitable for a wide range of digital applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2 V to 5.5 V |
| Input Voltage (VI) |
0 V to 5.5 V |
| Output Voltage (VO) |
0 V to VCC |
| High-Level Output Current (IOH) |
-8 mA at VCC = 5 V |
| Low-Level Output Current (IOL) |
8 mA at VCC = 5 V |
| Propagation Delay (tpd) |
8.5 ns max at VCC = 5 V, CL = 50 pF |
| Input Capacitance (Ci) |
4 pF typical |
| Power Dissipation Capacitance (Cpd) |
20 pF typical |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
20-SO (NSR suffix) |
Key Features
- 8-bit edge-triggered D-type flip-flop with 3-state outputs
- Non-inverting outputs
- Wide operating voltage range: 2 V to 5.5 V
- High noise immunity: VNIH = 0.7 × VCC, VNIL = 0.3 × VCC
- Low power consumption: 20-µA max ICC
- ±8-mA output drive at 5 V
- Latch-up performance exceeds 250 mA per JESD 17
- ESD protection exceeds JESD 22
- Package options: SOIC, SSOP, TSSOP
Target Applications
- 5G base station control logic
- Automotive dashboard display modules
- Industrial programmable logic controllers (PLCs)
- Data communication buffers
- Memory address registers
- Bus interface for microcontrollers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74AHC574NSR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
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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100% Original & Authentic: All components are guaranteed to
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
SN74AHC574NSR 是德州儀器推出的一款先進高速 CMOS 八路 D 型觸發器,具有三態輸出。該器件包含一個 8 位邊沿觸發寄存器,帶同相輸出,適用於 2 V 至 5.5 V 的 VCC 操作。它非常適合驅動總線線路或緩衝存儲器地址寄存器,具有高抗噪聲能力和低功耗。器件採用 20 引腳 SO 封裝,適用於多種數字應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2 V 至 5.5 V |
| 輸入電壓 (VI) |
0 V 至 5.5 V |
| 輸出電壓 (VO) |
0 V 至 VCC |
| 高電平輸出電流 (IOH) |
-8 mA (VCC = 5 V 時) |
| 低電平輸出電流 (IOL) |
8 mA (VCC = 5 V 時) |
| 傳播延遲 (tpd) |
最大 8.5 ns (VCC = 5 V, CL = 50 pF) |
| 輸入電容 (Ci) |
典型 4 pF |
| 功耗電容 (Cpd) |
典型 20 pF |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
20-SO (NSR 後綴) |
核心特性
- 8 位邊沿觸發 D 型觸發器,帶三態輸出
- 同相輸出
- 寬工作電壓範圍:2 V 至 5.5 V
- 高抗噪聲能力:VNIH = 0.7 × VCC, VNIL = 0.3 × VCC
- 低功耗:最大 ICC 為 20 µA
- 5 V 時 ±8 mA 輸出驅動能力
- 閂鎖性能超過 250 mA,符合 JESD 17 標準
- ESD 保護超過 JESD 22 標準
- 封裝選項:SOIC、SSOP、TSSOP
典型應用場景
- 5G 基站控制邏輯
- 汽車儀表盤顯示模塊
- 工業可編程邏輯控制器 (PLC)
- 數據通信緩衝器
- 存儲器地址寄存器
- 微控制器總線接口
環球供應鏈與批發合作夥伴方案
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