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SN74ABT821ADWR from TI,Texas Instruments

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SN74ABT821ADWR

Manufacturer: TI

10-Bit Bus Interface Flip-Flops With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ABT821ADWR TI 9135 In Stock

Description and Introduction

10-Bit Bus Interface Flip-Flops With 3-State Outputs The SN74ABT821ADWR is a 10-bit D-type flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-flop  
- **Number of Bits:** 10  
- **Output Type:** Tri-State, Non-Inverted  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Output Current:** -32mA  
- **Low-Level Output Current:** 64mA  
- **Propagation Delay Time:** 4.5ns (max) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-24 (DW)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
- The SN74ABT821ADWR is a high-performance, 10-bit D-type flip-flop with 3-state outputs.  
- It is designed for bus-oriented applications and features a buffered clock and output enable inputs.  
- The device operates on a 5V supply and provides high-speed, low-power performance.  

### **Features:**  
- **3-State Outputs:** Allow direct connection to a bus-organized system.  
- **Buffered Clock Input:** Reduces loading effects.  
- **Edge-Triggered D-Type Inputs:** Ensures stable data transfer.  
- **Balanced Propagation Delays:** Improves timing performance.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This device is commonly used in data storage, buffering, and bus interface applications.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

10-Bit Bus Interface Flip-Flops With 3-State Outputs

Alternative Part Number

  • 74ABT821ADWR --: Same 74ABT821 10-bit D-type flip-flop function and pinout, offered by NXP as a direct second-source with equivalent ABT speed and drive.
  • CY74FCT821ATSOCT --: FCT821 is a functionally equivalent 10-bit flip-flop with similar speed and TTL-compatible I/O, suitable as a drop-in alternative in most designs.
  • 74ABT821ADB --: Nexperia ABT821 provides the same 10-bit D-type flip-flop logic in a different package option, useful when the SOIC wide-body package is not required.

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