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Product Overview
The 74ACT11821DWR from Texas Instruments is a 10-bit D-type flip-flop with 3-state outputs, designed for high-performance bus-oriented applications. It features non-inverting outputs and operates from a 4.5V to 5.5V supply. The device is ideal for use in memory address registers, data storage, and bus interface circuits. Its advanced ACT logic family provides high speed and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Bits |
10 |
| Logic Family |
ACT |
| Output Type |
3-State, Non-Inverting |
| Supply Voltage (Vcc) |
4.5V to 5.5V |
| Propagation Delay (tpd) |
6.5 ns (typical at 5V) |
| Input Capacitance |
4.5 pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
SOIC-24 (DWR) |
Key Features
- 10-bit D-type flip-flop with 3-state outputs
- Non-inverting outputs
- High-speed ACT logic: typical tpd = 6.5 ns
- Low power consumption: ICC = 80 µA (max)
- Inputs accept voltages up to 5.5V
- Outputs drive up to 24 mA
- Bus-hold circuitry eliminates need for external pull-up resistors
- Package: SOIC-24 (DWR)
Target Applications
- Memory address registers in 5G base stations
- Data storage in automotive dashboard controllers
- Bus interface in industrial PLCs
- Register file in networking switches
- Buffer storage in medical imaging equipment
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產品概述
74ACT11821DWR 是德州儀器推出的10位D型觸發器,具有三態輸出,專為高性能匯流排應用設計。它提供同相輸出,工作電壓範圍為4.5V至5.5V。該器件適用於記憶體位址暫存器、資料儲存和匯流排介面電路。先進的ACT邏輯系列提供高速和低功耗。
詳細技術參數
| 參數 |
數值 |
| 位數 |
10 |
| 邏輯系列 |
ACT |
| 輸出類型 |
三態,同相 |
| 電源電壓 (Vcc) |
4.5V 至 5.5V |
| 傳播延遲 (tpd) |
6.5 ns (典型值,5V) |
| 輸入電容 |
4.5 pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
SOIC-24 (DWR) |
核心特性
- 10位D型觸發器,三態輸出
- 同相輸出
- 高速ACT邏輯:典型tpd = 6.5 ns
- 低功耗:ICC = 80 µA (最大值)
- 輸入可接受高達5.5V電壓
- 輸出驅動能力達24 mA
- 匯流排保持電路,無需外部上拉電阻
- 封裝:SOIC-24 (DWR)
典型應用場景
- 5G基地台中的記憶體位址暫存器
- 汽車儀表板控制器中的資料儲存
- 工業PLC中的匯流排介面
- 網路交換機中的暫存器檔案
- 醫療影像設備中的緩衝儲存
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