MM74HC595MTC

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: Serial-In, Parallel-Out, High-Speed, CMOS Logic
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-bit Serial-In, Parallel-Out Shift Register with Output Latches
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels: High: 2V to Vcc, Low: GND to 0.8Vcc
• Output Voltage Levels: High: Vcc - 0.5V, Low: 0.5V
• Maximum Clock Frequency: 25 MHz
• Number of Stages: 8
• Latch-Up Performance: Exceeds 300mA per JESD 78, Class II

Pin Configuration

The MM74HC595MTC has a total of 16 pins arranged as follows:

1. QH' (Output)
2. QH (Output)
3. DS (Serial Data Input)
4. OE (Output Enable)
5. ST_CP (Storage Register Clock Input)
6. SH_CP (Shift Register Clock Input)
7. MR (Master Reset)
8. GND (Ground)
9. QG (Output)
10. QF (Output)
11. QE (Output)
12. QD (Output)
13. QC (Output)
14. QB (Output)
15. QA (Output)
16. Vcc (Supply Voltage)

Functional Features

• Serial-in to parallel-out data conversion
• High-speed operation up to 25 MHz clock frequency
• CMOS logic for low power consumption
• Output latches for stable data storage
• Cascadable for expanding the number of outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Low power consumption due to CMOS logic - Output latches ensure stable data storage - Cascadable feature enables expansion of outputs

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring more outputs - Requires external clock and reset signals for proper operation

Working Principles

The MM74HC595MTC is a shift register that converts serial input data into parallel output data. It operates based on the clock signal provided at the Shift Register Clock (SH_CP) input. The Serial Data (DS) input receives the data bit by bit, which is then shifted through the register with each clock pulse. The output data is available at the parallel outputs QA to QH.

The Output Enable (OE) pin controls the output state, allowing the user to enable or disable the outputs as needed. The Master Reset (MR) pin resets the shift register to its initial state when activated.

Detailed Application Field Plans

The MM74HC595MTC can be used in various applications, including but not limited to:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix arrangement, enabling efficient control and reduced pin count.
2. Multiplexed Seven-Segment Displays: By cascading multiple shift registers, it becomes possible to drive multiple seven-segment displays using fewer microcontroller pins.
3. Data Storage and Transfer: The output latches allow for temporary storage of data before transferring it to other devices or modules.
4. Serial-to-Parallel Conversion: The shift register can be utilized to convert serial data streams into parallel data, suitable for interfacing with parallel input devices.

Detailed and Complete Alternative Models

1. SN74HC595N: Similar 8-bit shift register with parallel output latches, available in DIP (Dual Inline Package) package.
2. CD4094BE: 8-bit serial-in, parallel-out shift register with output latches, available in DIP package.
3. TPIC6B595DW: 8-bit shift register with output latches and high current capability, available in SOIC (Small Outline Integrated Circuit) package.

These alternative models offer similar functionality to the MM74HC595MTC and can be considered as substitutes based on specific requirements and availability.

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