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SN74AHCT244DBRG4 from BB/TI

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SN74AHCT244DBRG4

Manufacturer: BB/TI, TI

Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85

Partnumber Manufacturer Quantity Availability
SN74AHCT244DBRG4 BB/TI, TI 437 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 The SN74AHCT244DBRG4 is an octal buffer and line driver manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Technology Family:** AHCT  
- **Supply Voltage Range (VCC):** 4.5V to 5.5V  
- **Input Voltage Range (VI):** 0V to VCC  
- **Output Voltage Range (VO):** 0V to VCC  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Channels:** 8  
- **Output Type:** 3-State  
- **Propagation Delay (tpd):** 7.5 ns (typical) at 5V  
- **Input Logic Level:** TTL-Compatible  
- **Output Drive Capability:** ±12 mA  
- **Package Type:** SSOP (DBR)  
- **Package Size:** 20-pin  

### **Descriptions:**
- The SN74AHCT244DBRG4 is an octal buffer and line driver designed for asynchronous communication between data buses.  
- It features 3-state outputs, allowing multiple devices to share a common bus without interference.  
- The device is compatible with TTL logic levels, making it suitable for interfacing between TTL and CMOS systems.  

### **Features:**
- **Octal Buffer/Line Driver with 3-State Outputs**  
- **Wide Operating Voltage Range (4.5V to 5.5V)**  
- **Balanced Propagation Delays**  
- **TTL-Compatible Inputs (VIH = 2V, VIL = 0.8V)**  
- **Low Power Consumption (ICC = 4 μA max)**  
- **High Output Drive (±12 mA at 5V)**  
- **ESD Protection Exceeds 2000V (HBM) and 1000V (CDM)**  
- **20-Pin SSOP (DBR) Package**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85

Alternative Part Number

  • 74AHCT244APW,118 --: Same AHCT244 octal buffer/driver function with TTL-compatible inputs, different manufacturer and package naming, widely available and pin-compatible in function.
  • MC74VHCT244ADTR2G --: VHCT244 octal buffer with TTL-compatible inputs offering equivalent logic function and similar speed, from a different series and vendor.
  • 74AHCT244D,112 --: Standard AHCT244 octal buffer in SOIC package, functionally equivalent with TTL-level inputs, different naming series from the source part.
  • MC74AHCT244ADTR2G --: Direct AHCT244 octal buffer equivalent in TSSOP, drop-in functional replacement with similar speed and drive.
  • SN74AHCT244PWR --: Same TI AHCT244 die in the PW TSSOP package, electrically identical and a common substitute when the DB package is unavailable.

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