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SN74ALS677NT Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74ALS677NTTI240Yes

### Manufacturer: Texas Instruments (TI) ### Part Number: SN74ALS677NT ### Specifications: - **Logic Type**: Addressable Latch - **Number of Bits**: 8 - **Output Type**: Tri-State - **Voltage Supply**: 4.

Manufacturer: Texas Instruments (TI)

Part Number: SN74ALS677NT

Specifications:

  • Logic Type: Addressable 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: 24-PDIP (Plastic Dual In-Line Package)
  • Mounting Type: Through Hole
  • Propagation Delay Time: 12ns (max)
  • Current - Output High, Low: 2.6mA, 24mA
  • Logic Family: ALS (Advanced Low-Power Schottky)

Descriptions:

The SN74ALS677NT is an 8-bit addressable latch with a tri-state output, designed for bus-organized systems. It features a built-in 8-bit address comparator, allowing it to function as a memory-mapped I/O device. The latch is controlled by a chip select (CS) input and an address match (EN) input, enabling data storage when the address matches the programmed value.

Features:

  • Addressable Latch with Comparator
  • Tri-State Outputs for Bus Interface
  • Low Power Consumption (ALS Series)
  • Wide Operating Voltage Range (4.5V to 5.5V)
  • High-Speed Operation (12ns max propagation delay)
  • 24mA Output Drive Capability
  • 24-Pin DIP Package

This device is commonly used in microprocessor-based systems for address decoding and data latching.

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