MM74HC165MTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, Serial-In, Parallel-Out
• Package: TSSOP-16
• Essence: The MM74HC165MTCX is a 8-bit parallel-load shift register designed for high-speed digital applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HC
• Number of Bits: 8
• Input Voltage: 2V to 6V
• Output Voltage: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Supply Current: 4.5 mA (max)

Pin Configuration

The MM74HC165MTCX has a total of 16 pins arranged as follows:

``` __ __ 1 | __/ | 16 2 | | 15 3 | | 14 4 | | 13 5 | | 12 6 | | 11 7 | | 10 8 | | 9

---

```

• Pin 1: Serial Data Input (DS)
• Pin 2: Clock Input (CP)
• Pin 3: Parallel Load Input (PL)
• Pin 4-11: Parallel Data Outputs (Q0-Q7)
• Pin 12: Ground (GND)
• Pin 13: Serial Data Output (QH)
• Pin 14: Clock Enable Input (CE)
• Pin 15: Clock Inhibit Input (CI)
• Pin 16: Supply Voltage (Vcc)

Functional Features

• Serial-in, parallel-out shift register
• High-speed operation
• Parallel load capability
• Buffered inputs and outputs
• Schmitt-trigger action on all inputs

Advantages

• High-speed data transfer
• Easy integration into digital circuits
• Compact package size
• Wide operating voltage range
• Low power consumption

Disadvantages

• Limited number of parallel data outputs (8 bits)
• Not suitable for applications requiring larger data storage capacity

Working Principles

The MM74HC165MTCX is a serial-in, parallel-out shift register. It can receive data serially through the Serial Data Input (DS) pin and shift it into its internal register on each clock pulse. The parallel data can be loaded into the register by activating the Parallel Load Input (PL) pin. The stored data can then be accessed in parallel through the Parallel Data Outputs (Q0-Q7) pins.

Detailed Application Field Plans

The MM74HC165MTCX is commonly used in various digital applications, including:

1. Data acquisition systems
2. Serial-to-parallel conversion
3. Parallel data input expansion
4. LED matrix control
5. Keypad scanning
6. Shift register-based counters

Alternative Models

Here are some alternative models that provide similar functionality:

1. SN74HC165N - 8-bit parallel-load shift register from Texas Instruments
2. CD74HC165E - High-speed CMOS logic 8-bit parallel-in/serial-out shift register from Texas Instruments
3. 74HCT165 - 8-bit parallel-in/serial-out shift register with asynchronous reset from NXP Semiconductors

These alternatives can be considered based on specific requirements and availability.

In conclusion, the MM74HC165MTCX is a high-speed, 8-bit parallel-load shift register IC. It offers efficient serial-to-parallel data conversion and is widely used in various digital applications. Its compact package, wide operating voltage range, and low power consumption make it a popular choice among designers. However, its limited number of parallel data outputs may not be suitable for applications requiring larger data storage capacity.