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SN74AS373NSR from TEXAS

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SN74AS373NSR

Manufacturer: TEXAS, TI

Octal D-Type Transparent Latches with 3-state Outputs
Partnumber Manufacturer Quantity Availability
SN74AS373NSR TEXAS, TI 1912 In Stock

Description and Introduction

Octal D-Type Transparent Latches with 3-state Outputs The SN74AS373NSR is an octal transparent latch manufactured by Texas Instruments.  

### **Specifications:**  
- **Logic Type:** D-Type Transparent Latch  
- **Number of Bits:** 8  
- **Output Type:** Tri-State  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 24mA  
- **Propagation Delay Time:** 9ns (max)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** 20-SOIC (0.209", 5.30mm Width)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74AS373NSR is an octal transparent latch with 3-state outputs designed for bus-organized systems. It features a latch-enable (LE) input and an output-enable (OE) input for controlling data flow.  

### **Features:**  
- **Octal D-Type Transparent Latches**  
- **3-State Outputs for Bus Interface**  
- **Buffered Control Inputs**  
- **High-Speed Operation** (9ns max propagation delay)  
- **Wide Operating Voltage Range** (4.5V to 5.5V)  
- **Low Power Consumption**  
- **ESD Protection**  

This device is commonly used in memory address latching, data buffering, and bus-oriented applications.

Application Scenarios & Design Considerations

Octal D-Type Transparent Latches with 3-state Outputs

Alternative Part Number

  • 74F373SC --: Octal D-type transparent latch with tri-state outputs in the same SOIC package and pinout, offering comparable speed and direct functional replacement.
  • MC74ACT373DWR2 --: ACT-series octal transparent latch with tri-state outputs, pin-compatible with the 74AS373 and suitable for 5V TTL-level systems.
  • CD74HCT373M --: HCT-series octal transparent latch in SOIC with tri-state outputs, same logic function and pinout, though slightly slower than the AS version.
  • 74F373SCX --: Octal D-type transparent latch with 3-state outputs, same function and pinout, comparable speed, widely available alternative.
  • MC74ACT373DWR2G --: Octal transparent latch with 3-state outputs, functionally equivalent, good availability and similar logic family performance.
  • CD74ACT373M96 --: Same manufacturer octal transparent latch with 3-state outputs, compatible function and pinout, suitable drop-in alternative.

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