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SN74ALS990DWR from TI,Texas Instruments

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SN74ALS990DWR

Manufacturer: TI

Octal D-Type Transparent Read-Back Latches

Partnumber Manufacturer Quantity Availability
SN74ALS990DWR TI 603 In Stock

Description and Introduction

Octal D-Type Transparent Read-Back Latches The SN74ALS990DWR is a 16-bit registered transceiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Registered Transceiver  
- **Number of Bits:** 16  
- **Voltage Supply:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** SOIC-24  
- **Mounting Type:** Surface Mount  
- **Output Type:** 3-State  
- **Propagation Delay Time:** 12ns (max)  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions:**  
The SN74ALS990DWR is a bidirectional registered transceiver designed for asynchronous communication between data buses. It features 3-state outputs for bus-oriented applications and includes D-type flip-flops for data storage.  

### **Features:**  
- **Bidirectional Data Flow:** Allows data transmission in both directions.  
- **3-State Outputs:** Supports bus sharing in multi-drop applications.  
- **Edge-Triggered D-Type Flip-Flops:** Ensures synchronized data transfer.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **High-Speed Operation:** Low propagation delay for efficient performance.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This device is commonly used in data storage, buffering, and bus interface applications.

Partnumber Manufacturer Quantity Availability
SN74ALS990DWR N/A 459 In Stock

Description and Introduction

Octal D-Type Transparent Read-Back Latches The SN74ALS990DWR is a part manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Category:** Integrated Circuits (ICs)  
- **Family:** Logic - Latches  
- **Type:** D-Type Transparent Latch  
- **Number of Bits:** 8  
- **Output Type:** Tri-State  
- **Voltage - Supply:** 4.5V to 5.5V  
- **Operating Temperature:** 0°C to 70°C  
- **Package / Case:** SOIC-20  
- **Mounting Type:** Surface Mount  
- **Logic Level - Low:** 0.8V  
- **Logic Level - High:** 2V  

### **Descriptions:**  
- The SN74ALS990DWR is an 8-bit transparent latch with 3-state outputs.  
- It is designed for bus-organized systems where multiple devices share a common bus.  
- The latch allows data to be stored when the enable (G) input is high and provides high-impedance outputs when the output enable (OE) is high.  

### **Features:**  
- **8-Bit Transparent Latch:** Latches data when enabled.  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **Wide Operating Voltage Range:** 4.5V to 5.5V.  
- **High-Speed Operation:** Suitable for high-performance logic applications.  
- **Low Power Consumption:** ALS technology ensures efficient power usage.  
- **ESD Protection:** Provides improved reliability in harsh environments.  

This information is strictly based on the manufacturer's datasheet and technical specifications.

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