SN74AHC594DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, low-power consumption
• Package: SSOP-16
• Essence: Serial-in, parallel-out shift register with output latches
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Stages: 8

Detailed Pin Configuration

The SN74AHC594DBR has a total of 16 pins:

1. SER (Serial Data Input)
2. OE (Output Enable)
3. RCLK (Register Clock)
4. SRCLK (Shift Register Clock)
5. SRCLR (Shift Register Clear)
6. QA (Output A)
7. QB (Output B)
8. QC (Output C)
9. QD (Output D)
10. QE (Output E)
11. QF (Output F)
12. QG (Output G)
13. QH (Output H)
14. VCC (Supply Voltage)
15. GND (Ground)
16. QH' (Inverted Output H)

Functional Features

• Serial-in, parallel-out operation
• Output latches for holding data
• High-speed shifting and latching
• Low power consumption
• Wide supply voltage range
• Compatible with TTL and CMOS logic levels

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Low power consumption helps conserve energy - Wide supply voltage range provides flexibility in different applications - Compatibility with TTL and CMOS logic levels ensures versatility

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring more outputs - SSOP-16 package may be challenging to solder for some users

Working Principles

The SN74AHC594DBR is a shift register that allows serial data to be inputted and then shifted out in parallel. The serial data is loaded into the shift register on each rising edge of the shift register clock (SRCLK). The data is then latched onto the output pins on each rising edge of the register clock (RCLK). The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74AHC594DBR can be used in various applications, including:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix configuration, allowing for efficient control and reduced pin count.
2. Serial-to-Parallel Conversion: It can be used to convert serial data streams into parallel data, which is useful in applications such as data communication and data storage.
3. Data Multiplexing: The shift register can be used to multiplex multiple data sources into a single output, enabling efficient data transmission.

Detailed and Complete Alternative Models

1. 74HC595: Similar to SN74AHC594DBR, but operates at a higher voltage range (2 V to 6 V).
2. CD4094: 8-stage shift register with output latches, operates at a lower voltage range (3 V to 18 V).
3. 74LS164: 8-bit serial-in, parallel-out shift register, compatible with TTL logic levels.

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility needs.

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