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Product Overview
The 74AC374TTR is a high-speed octal D-type flip-flop with 3-state outputs from STMicroelectronics, fabricated in advanced AC CMOS technology. It operates from 2V to 6V, offering balanced propagation delays and low power consumption. The device features eight edge-triggered flip-flops with individual D inputs and Q outputs, controlled by a common clock (CP) and output enable (OE). When OE is low, outputs are enabled; when high, outputs are in high-impedance state. Ideal for bus-oriented systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
0.7×VCC (min) |
| Low-Level Input Voltage (VIL) |
0.3×VCC (max) |
| High-Level Output Current (IOH) |
-24 mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
24 mA (at VCC=4.5V) |
| Propagation Delay (tPLH/tPHL) |
6.5 ns (typ) at VCC=5V, CL=50pF |
| Input Capacitance (CI) |
4.5 pF (typ) |
| Power Dissipation Capacitance (CPD) |
20 pF (typ) |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-TSSOP |
Key Features
- High-speed: tPD = 6.5 ns (typ) at VCC=5V
- Low power dissipation: ICC = 4 µA (max) at TA=25°C
- Balanced propagation delays: tPLH ≈ tPHL
- 3-state outputs for bus-oriented applications
- Edge-triggered D-type flip-flops with buffered clock and output enable
- Input and output interface capability: 2V to 6V
- Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
- ESD protection: HBM 2kV, MM 200V
- Latch-up performance exceeds 500 mA per JESD 78 Class II
- Green package: lead-free, halogen-free
Target Applications
- 5G base station control logic: data buffering and synchronization
- Automotive dashboard display: register storage for sensor data
- Industrial PLC: I/O expansion and state storage
- Consumer electronics: set-top box, gaming console data bus
- Medical equipment: patient monitoring data acquisition
- Telecommunications: line card register and buffer
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
74AC374TTR. 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
74AC374TTR 是意法半導體推出的高速八路 D 型觸發器(帶三態輸出),採用先進的 AC CMOS 工藝製造。工作電壓範圍為 2V 至 6V,具有平衡的傳播延遲和低功耗。器件包含八個邊沿觸發的觸發器,帶有獨立的 D 輸入和 Q 輸出,由公共時鐘(CP)和輸出使能(OE)控制。當 OE 為低電平時,輸出使能;當 OE 為高電平時,輸出呈高阻態。適用於總線導向系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
0.7×VCC(最小值) |
| 低電平輸入電壓 (VIL) |
0.3×VCC(最大值) |
| 高電平輸出電流 (IOH) |
-24 mA(VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
24 mA(VCC=4.5V 時) |
| 傳播延遲 (tPLH/tPHL) |
6.5 ns(典型值,VCC=5V,CL=50pF) |
| 輸入電容 (CI) |
4.5 pF(典型值) |
| 功耗電容 (CPD) |
20 pF(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-TSSOP |
核心特性
- 高速:tPD = 6.5 ns(典型值,VCC=5V)
- 低功耗:ICC = 4 µA(最大值,TA=25°C)
- 平衡傳播延遲:tPLH ≈ tPHL
- 三態輸出,適用於總線應用
- 邊沿觸發 D 型觸發器,帶緩衝時鐘和輸出使能
- 輸入/輸出接口能力:2V 至 6V
- 對稱輸出阻抗:|IOH| = IOL = 24 mA(最小值)
- ESD 保護:HBM 2kV,MM 200V
- 閂鎖性能超過 500 mA(符合 JESD 78 Class II)
- 綠色封裝:無鉛、無鹵素
典型應用場景
- 5G 基站控制邏輯:數據緩衝與同步
- 汽車儀表盤顯示:傳感器數據寄存器存儲
- 工業 PLC:I/O 擴展與狀態存儲
- 消費電子:機頂盒、遊戲主機數據總線
- 醫療設備:病人監護數據採集
- 電信:線路卡寄存器與緩衝
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 74AC374TTR 提供全面的供應鏈與批發解決方案。
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