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SN74ABT373PWR from TI,Texas Instruments

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SN74ABT373PWR

Manufacturer: TI, TEXAS

Octal Transparent D-Type Latches With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ABT373PWR TI, TEXAS 7170 In Stock

Description and Introduction

Octal Transparent D-Type Latches With 3-State Outputs The **SN74ABT373PWR** is a **transparent D-type latch** manufactured by **Texas Instruments (TI)**.  

### **Specifications:**  
- **Type:** 8-bit transparent latch with 3-state outputs  
- **Technology:** ABT (Advanced BiCMOS Technology)  
- **Supply Voltage Range:** **4.5V to 5.5V**  
- **High-Speed Operation:** **5.5 ns max propagation delay (tpd)**  
- **Output Drive:** **±24 mA** (high-drive outputs)  
- **Latch Enable (LE) Input:** Controls data transparency  
- **Output Enable (OE) Input:** Enables/disables outputs (3-state)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **TSSOP-20 (PWR)**  

### **Descriptions:**  
- The **SN74ABT373PWR** is designed for **bus interface applications** where data retention is needed.  
- When **LE (Latch Enable) is high**, the outputs (Q) follow the inputs (D).  
- When **LE goes low**, the data is latched and held.  
- The **OE (Output Enable) pin** controls the 3-state outputs (active-low).  

### **Features:**  
- **3-State Outputs** for bus-oriented applications  
- **High-Speed CMOS** with BiCMOS speed and drive  
- **Balanced Propagation Delays**  
- **ESD Protection** exceeds **2000V** (HBM)  
- **Latch-Up Performance** exceeds **500 mA** per JESD 17  

This latch is commonly used in **memory address latching, data buffering, and I/O port expansion** in digital systems.  

Would you like additional details on pin configurations or application notes?

Application Scenarios & Design Considerations

Octal Transparent D-Type Latches With 3-State Outputs

Alternative Part Number

  • 74ABT373APW --: Same ABT octal transparent D-type latch function in TSSOP package, direct functional equivalent from another vendor.
  • CY74FCT373ATPQ --: FCT octal transparent latch with similar speed and drive, available in TSSOP, suitable drop-in functional replacement.
  • MC74ABT373ADTR2 --: ABT octal transparent D latch in TSSOP, comparable propagation delay and output drive to the original device.
  • CY74FCT373ATPACT --: FCT octal transparent latch with equivalent logic and drive, TSSOP package, suitable drop-in replacement.
  • 74ABT373CPW --: ABT-series octal transparent latch in TSSOP, same function and pinout, alternate sourcing option.

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