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SN74AHCT373PW from TI,Texas Instruments

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SN74AHCT373PW

Manufacturer: TI

Octal Transparent D-Type Latches With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AHCT373PW TI 12000 In Stock

Description and Introduction

Octal Transparent D-Type Latches With 3-State Outputs The SN74AHCT373PW is a high-speed octal transparent latch manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Transparent Latch  
- **Number of Bits:** 8  
- **Output Type:** 3-State  
- **Voltage Supply Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (Min):** 2V  
- **Low-Level Input Voltage (Max):** 0.8V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-20  
- **Propagation Delay:** 10.5 ns (Max) at 5V  
- **Output Current:** ±8 mA  

### **Descriptions:**  
The SN74AHCT373PW is an octal transparent latch with 3-state outputs designed for bus interface applications. It features a latch enable (LE) input and an output enable (OE) input for controlling data flow.  

### **Features:**  
- **Bus-Hold on Data Inputs:** Eliminates the need for external pull-up/pull-down resistors.  
- **3-State Outputs:** Allows direct connection to a bus-organized system.  
- **Wide Operating Voltage:** 4.5V to 5.5V.  
- **Balanced Propagation Delays:** Ensures reliable performance in high-speed applications.  
- **Low Power Consumption:** Optimized for power-sensitive designs.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This device is commonly used in memory address latching, data buffering, and I/O port interfacing.

Application Scenarios & Design Considerations

Octal Transparent D-Type Latches With 3-State Outputs

Alternative Part Number

  • 74AHCT373APW,118 --: Pin-compatible octal D-type transparent latch with 3-state outputs in the same TSSOP-20 package and AHCT logic family, so it can drop into the same footprint with equivalent function and speed.
  • MC74VHCT373ADTR2G --: Octal transparent latch with 3-state outputs in TSSOP-20, offering similar 5V-tolerant TTL-compatible inputs and comparable propagation delay as a functional replacement.
  • 74AHCT373PW-Q100,118 --: Automotive-qualified octal D-type latch in TSSOP-20 with AHCT-level inputs and 3-state outputs, suitable when higher reliability or AEC-Q100 grading is acceptable.

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