The M74HC126M1R is a high-speed CMOS QUADRUPLE BUS BUFFER fabricated with silicon gate C2MOS technology from STMicroelectronics. Designed to meet the demands of high-performance digital systems, this buffer offers a robust combination of features that make it an ideal choice for a wide range of applications.
Key Features
- High-Speed Operation: This device is capable of operating at speeds comparable to low power Schottky TTL (LSTTL) while maintaining CMOS low power dissipation.
- Tri-State Outputs: The M74HC126M1R features four independent bus buffer gates with three-state outputs, which is essential for driving bus lines or buffer memory address registers.
- Output Drive Capability: With the ability to drive 15 LSTTL loads, this buffer provides ample drive capability for most applications.
- High Noise Immunity: Characterized by a high noise immunity of VNIH = VNIL = 28% VCC (minimum), this buffer ensures stable performance in noisy environments.
- Pin and Function Compatibility: The M74HC126M1R is pin-compatible with LSTTL 74LS126, making it a suitable drop-in replacement for many existing designs.
- Wide Operating Voltage Range: It can operate with a supply voltage range of 2V to 6V, providing flexibility in various system voltage requirements.
Applications
The versatility of the M74HC126M1R allows it to be used in a broad array of applications, including:
- Bus driver for memory address registers
- Buffer for digital communication lines
- Input/output port for microprocessors and microcontrollers
- Support for digital signal processing
Product Specifications
| Parameter |
Value |
| Package |
SO-14 |
| Temperature Range |
-55°C to +125°C |
| Logic Type |
CMOS |
| Mounting Type |
Surface Mount |
With its reliable performance and STMicroelectronics' commitment to quality, the M74HC126M1R stands out as a sophisticated solution for buffering needs in high-speed digital systems.