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Part No SN74ALS873BDW
Manufacturer Texas Instruments
Catalog Logic - Flip Flops
Description IC DUAL LATCH TRI-ST 24-SOIC / D-Type Transparent Latch 2 Channel 4:4 IC Tri-State 24-SOIC

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Products specifications

Category Integrated Circuits (ICs)>Logic - Latches
Mfr Texas Instruments
Series 74ALS
Package Tube
Logic Type D-Type Transparent Latch
Output Type Tri-State
Voltage - Supply 4.5V ~ 5.5V
Independent Circuits 2
Delay Time - Propagation 8ns
Current - Output High, Low 2.6mA, 24mA
Temperature Range - Operating 0°C ~ 70°C
Mounting SMD (SMT)
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
Base Product Number 74ALS873
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
HTSUS 8542.39.0001
Other Names 296-5094-5,TEXTISSN74ALS873BDW,SN74ALS873BDWE4,SN74ALS873BDWG4-ND,-SN74ALS873BDW-NDR,SN74ALS873BDWE4-ND,2156-SN74ALS873BDW,SN74ALS873BDWG4
Standard Package 25
Win Source Part Number 1007370-SN74ALS873BDW
Fake Threat In the Open Market 74 pct.


The SN74ALS873BDW is a high-performance integrated circuit from Texas Instruments, designed to meet the demanding requirements of complex digital systems. This particular chip falls under the category of Advanced Low-Power Schottky (ALS) logic, which is renowned for its excellent speed-power combination, making it an ideal choice for fast and efficient operations in a wide range of applications.

Key Features

  • Logic Type: D-Type Flip-Flop
  • Number of Circuits: Dual 4-bit
  • Output Type: Tri-State
  • Function: Master Reset
  • Operating Temperature: -40°C to +85°C
  • Package / Case: 24-SOIC (0.295", 7.50mm Width)
  • Mounting Type: Surface Mount
  • Supply Voltage: 4.5V to 5.5V
  • Propagation Delay Time: 10ns at 5V

Product Description

The SN74ALS873BDW is a dual 4-bit D-type flip-flop with tri-state outputs, designed to be used in systems where high-speed, low-power consumption is a necessity. It features a master reset function that allows for the synchronous reset of all flip-flops within the device. The flip-flops hold the data input stable at either a high or low logic level until the clock input is received, at which point the data is transferred to the outputs.

This device operates over a supply voltage range of 4.5V to 5.5V, which is typical for ALS logic devices, and can function at temperatures ranging from -40°C to +85°C, ensuring reliability in various environmental conditions. The SN74ALS873BDW comes in a 24-SOIC package, which is suitable for surface-mount technology (SMT), providing a compact footprint for space-constrained applications.

With a propagation delay time of only 10ns at 5V, the SN74ALS873BDW delivers quick response times, making it an excellent choice for high-speed data processing and communication systems. Its tri-state outputs allow for connection to a bus-organized system without the need for external bus drivers, which simplifies design and reduces component count.

Overall, the SN74ALS873BDW from Texas Instruments is a robust and reliable component that offers a balance of speed and power efficiency, making it a go-to solution for designers of digital systems requiring high-performance logic operations.

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