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SN74ACT8990FNR from TI,Texas Instruments

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SN74ACT8990FNR

Manufacturer: TI

Test-Bus Controllers IEEE Std 1149.1 (JTAG) TAP Masters With 16-Bit Generic Host Interfaces

Partnumber Manufacturer Quantity Availability
SN74ACT8990FNR TI 1000 In Stock

Description and Introduction

Test-Bus Controllers IEEE Std 1149.1 (JTAG) TAP Masters With 16-Bit Generic Host Interfaces The SN74ACT8990FNR is a 9-bit addressable latch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Addressable Latch  
- **Number of Bits:** 9  
- **Output Type:** Tri-State  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** PLCC-20  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 8.5ns (typical)  
- **High-Level Output Current:** -24mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions and Features:**  
- The SN74ACT8990FNR is a 9-bit transparent latch with 3-state outputs.  
- It allows individual bit addressing for data input and output.  
- Features tri-state outputs for bus-oriented applications.  
- Designed for high-speed operation with low power consumption.  
- Compatible with TTL input and output levels.  
- Suitable for memory address latching and data buffering in digital systems.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and timing diagrams, refer to the official TI documentation.

Application Scenarios & Design Considerations

Test-Bus Controllers IEEE Std 1149.1 (JTAG) TAP Masters With 16-Bit Generic Host Interfaces

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