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SN74LVTH18504APMR from TI,Texas Instruments

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SN74LVTH18504APMR

Manufacturer: TI

3.3-V ABT Scan Test Devices With 20-Bit Universal Bus Transceivers

Partnumber Manufacturer Quantity Availability
SN74LVTH18504APMR TI 1279 In Stock

Description and Introduction

3.3-V ABT Scan Test Devices With 20-Bit Universal Bus Transceivers The SN74LVTH18504APMR is a 18-bit universal bus transceiver manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** SN74LVTH18504APMR  
- **Package:** 64-BGA (Microstar Junior)  
- **Technology:** LVTH (Low-Voltage BiCMOS Technology with 3.3V Tolerant Inputs)  
- **Supply Voltage Range:** 2.7V to 3.6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Logic Type:** Universal Bus Transceiver  
- **Number of Bits:** 18  
- **Input/Output Type:** 3.3V Tolerant  
- **Output Drive Capability:** ±12mA (Balanced Output Impedance)  
- **Propagation Delay:** Typically 3.5ns (at 3.3V)  
- **High-Speed Operation:** Supports up to 200MHz  

### **Descriptions:**  
The SN74LVTH18504APMR is a high-performance 18-bit universal bus transceiver designed for asynchronous communication between data buses. It integrates D-type latches and flip-flops to allow data flow in both directions (A-to-B or B-to-A) with control inputs for direction selection. It is optimized for low-voltage (3.3V) systems while maintaining 5V TTL compatibility on inputs.  

### **Features:**  
- **Bidirectional Data Flow:** Controlled by DIR (Direction Control) and OE (Output Enable) inputs.  
- **3.3V Operation:** Compatible with TTL levels (5V tolerant inputs).  
- **Bus-Hold on Data Inputs:** Eliminates the need for external pull-up/pull-down resistors.  
- **Live Insertion Protection:** Supports hot insertion without signal corruption.  
- **Power-Up High-Impedance State:** Prevents bus contention during power-up.  
- **ESD Protection:** Exceeds 2000V per JESD 22-A114.  
- **Low Power Consumption:** ICC typically under 10mA.  

This information is sourced from Texas Instruments' official documentation. For detailed electrical characteristics and application notes, refer to the TI datasheet.

Application Scenarios & Design Considerations

3.3-V ABT Scan Test Devices With 20-Bit Universal Bus Transceivers

Alternative Part Number

  • 74LVTH18504APM --: Same 74LVTH18504A function (18-bit universal bus transceiver with boundary scan) in a compatible package, offered by NXP as a direct functional equivalent.
  • 74LVTH18504APF --: Renesas 74LVTH18504A series device with identical logic function and LVT-family electrical characteristics, suitable as a drop-in functional replacement.
  • 74LVT18504APM --: LVT-family 18-bit universal bus transceiver with similar function and pinout; acceptable alternative when the boundary-scan variant is not strictly required.
  • 74LVTH18504APV --: Equivalent 18-bit universal bus transceiver with similar LVTH logic family characteristics and compatible voltage range.

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