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SN74ACT8997DW from TI,Texas Instruments

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SN74ACT8997DW

Manufacturer: TI

Scan Path Linkers With 4-Bit Identification Buses Scan-Controlled TAP Concatenators

Partnumber Manufacturer Quantity Availability
SN74ACT8997DW TI 8 In Stock

Description and Introduction

Scan Path Linkers With 4-Bit Identification Buses Scan-Controlled TAP Concatenators The SN74ACT8997DW is a 9-bit addressable latch manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Technology Family:** ACT  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package Type:** SOIC (DW)  
- **Number of Bits:** 9  
- **Output Type:** Tri-State  
- **Logic Type:** Addressable Latch  
- **Propagation Delay:** 8.5ns (typical)  
- **Input/Output Compatibility:** TTL-Compatible  

### **Descriptions:**  
The SN74ACT8997DW is a high-speed 9-bit addressable latch designed for bus-organized systems. It features a 3-to-8 decoder with an additional latch-enable input, allowing individual bit addressing. The outputs are tri-state, enabling direct connection to a bus.  

### **Features:**  
- **9-bit addressable latch** with tri-state outputs  
- **3-to-8 decoder** with latch-enable (LE) input  
- **Output enable (OE)** for bus interfacing  
- **High-speed operation** with typical propagation delay of 8.5ns  
- **Low power consumption** (ACT technology)  
- **Wide operating voltage range** (4.5V to 5.5V)  
- **TTL-compatible inputs**  
- **ESD protection** exceeds 2000V per JESD 22  

This device is commonly used in memory addressing, data routing, and bus interface applications.

Application Scenarios & Design Considerations

Scan Path Linkers With 4-Bit Identification Buses Scan-Controlled TAP Concatenators

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