MM74HCT373SJX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent Latch with 3-State Outputs
• Characteristics:
  • High-speed operation
  • Wide operating voltage range
  • 3-state outputs for bus-oriented applications
• Package: 20-pin small outline integrated circuit (SOIC)
• Essence: The MM74HCT373SJX is a latch IC that can store and output data in an octal format. It is commonly used in digital systems where multiple bits of data need to be stored and retrieved simultaneously.
• Packaging/Quantity: The MM74HCT373SJX is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Maximum Propagation Delay: 15 ns

Detailed Pin Configuration

The MM74HCT373SJX has a total of 20 pins, which are assigned specific functions as follows:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. OE: Output enable
11. LE: Latch enable
12. Q0: Output 0
13. Q1: Output 1
14. Q2: Output 2
15. Q3: Output 3
16. Q4: Output 4
17. Q5: Output 5
18. Q6: Output 6
19. Q7: Output 7
20. VCC: Supply voltage

Functional Features

• Octal transparent latch with 3-state outputs
• Data inputs are latched when the latch enable (LE) signal is high
• Outputs can be enabled or disabled using the output enable (OE) signal
• High-speed operation allows for efficient data transfer
• Wide operating voltage range makes it compatible with various digital systems

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer - 3-state outputs facilitate bus-oriented applications - Wide operating voltage range increases compatibility

Disadvantages: - Limited number of outputs (8 in total) - Requires external control signals for proper functioning

Working Principles

The MM74HCT373SJX operates as an octal transparent latch, meaning that the data inputs are directly transferred to the outputs when the latch enable (LE) signal is high. The latch holds the data until a new set of inputs is provided. The output enable (OE) signal controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The MM74HCT373SJX finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory units - Data storage devices - Communication systems - Industrial automation

Detailed and Complete Alternative Models

1. SN74HCT373N: Octal D-Type Transparent Latch

   • Manufacturer: Texas Instruments
   • Package: 20-pin plastic dual in-line package (PDIP)
   • Characteristics: High-speed operation, wide operating voltage range

2. CD74HCT373E: High-Speed CMOS Logic Octal Transparent Latch

   • Manufacturer: Texas Instruments
   • Package: 20-pin ceramic dual in-line package (CDIP)
   • Characteristics: High-speed operation, wide operating voltage range

3. 74HCT373D: Octal D-Type Transparent Latch

   • Manufacturer: NXP Semiconductors
   • Package: 20-pin plastic shrink small outline package (SSOP)
   • Characteristics: High-speed operation, wide operating voltage range

These alternative models offer similar functionality and characteristics to the MM74HCT373SJX, providing options for different packaging preferences or manufacturer preferences.

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