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SN74ACT564DWR from TI,Texas Instruments

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SN74ACT564DWR

Manufacturer: TI, TI/BB

Octal D-Type Edge-Triggered Flip-Flops With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ACT564DWR TI, TI/BB 702 In Stock

Description and Introduction

Octal D-Type Edge-Triggered Flip-Flops With 3-State Outputs The SN74ACT564DWR is a 20-pin D-type flip-flop with tri-state outputs, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Bits:** 8  
- **Output Type:** Tri-State  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Output Current:** -24mA  
- **Low-Level Output Current:** 24mA  
- **Propagation Delay Time:** 8.5ns (max) at 5V  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package Type:** SOIC (DWR)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74ACT564DWR is an octal edge-triggered flip-flop with tri-state outputs. It features a common clock (CP) and output enable (OE) control, allowing for synchronous data transfer and high-impedance state when outputs are disabled.  

### **Features:**  
- **Octal D-Type Flip-Flop** with tri-state outputs  
- **Edge-Triggered Clocking** for synchronous operation  
- **Buffered Outputs** for improved noise immunity  
- **Balanced Propagation Delays** for reliable performance  
- **ESD Protection** exceeds 2000V per JESD 22  
- **Wide Operating Voltage Range** (4.5V to 5.5V)  
- **Compatible with TTL Inputs**  

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

Application Scenarios & Design Considerations

Octal D-Type Edge-Triggered Flip-Flops With 3-State Outputs

Alternative Part Number

  • 74ACT564SCX --: Same 74ACT octal D-type flip-flop with 3-state outputs in a wide SOIC-20 package, functionally equivalent to the SN74ACT564DWR.
  • MC74ACT564DWR2 --: Direct functional equivalent octal D flip-flop with 3-state outputs from the MC74ACT series, matching ACT speed and SOIC-20 wide body footprint.
  • CD74ACT564M --: TI ACT-family octal D-type flip-flop with 3-state outputs; same logic function and ACT speed grade, offered in SOIC package as a close cross-reference.
  • CD74ACT564M96 --: Alternate TI ACT-family octal D flip-flop with 3-state outputs in SOIC-20, same function and pinout but a different series prefix for easy distinction.

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