CD74HC4094PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, CMOS logic, 8-bit serial-in, parallel-out shift register
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Serial-to-parallel data conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HC (High-Speed CMOS)
• 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 μA (standby), 4 mA (active)

Detailed Pin Configuration

The CD74HC4094PW has a total of 16 pins. The pin configuration is as follows:

1. Q1 (Output)
2. Q2 (Output)
3. Q3 (Output)
4. Q4 (Output)
5. Q5 (Output)
6. Q6 (Output)
7. Q7 (Output)
8. Q8 (Output)
9. GND (Ground)
10. SER (Serial Data Input)
11. SRCLK (Shift Register Clock Input)
12. RCLK (Register Clock Input)
13. OE (Output Enable Input)
14. STCP (Storage Register Clock Input)
15. SHCP (Shift Register Clock Input)
16. VCC (Power Supply)

Functional Features

• Serial-to-parallel data conversion
• High-speed operation
• CMOS logic for low power consumption
• Output enable control for multiplexing applications
• Cascadable for expanding the number of outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - CMOS logic ensures low power consumption - Output enable control provides flexibility in multiplexing applications - Cascadable feature enables expansion of output capacity

Disadvantages: - Limited to 8-bit parallel output - Requires external clock signals for proper operation

Working Principles

The CD74HC4094PW is a shift register IC that converts serial input data into parallel output. It operates based on clock signals provided to the shift register clock (SRCLK) and storage register clock (STCP) inputs. The serial data (SER) is shifted through the shift register on each rising edge of SRCLK. When the STCP signal transitions from low to high, the parallel data is latched and available at the output pins.

Detailed Application Field Plans

The CD74HC4094PW finds applications in various fields, including:

1. LED Display Panels: Used to control multiple LEDs in displays by converting serial data into parallel output.
2. Data Communication Systems: Enables efficient data transmission and reception by converting serial data into parallel format.
3. Industrial Automation: Used in control systems to interface with sensors and actuators, providing parallel output for controlling multiple devices.
4. Automotive Electronics: Utilized in automotive lighting systems, instrument clusters, and other applications requiring parallel data conversion.

Detailed and Complete Alternative Models

1. SN74HC4094: Similar functionality and specifications, but available in different package options.
2. CD4094BE: DIP (Dual In-line Package) version of the same shift register IC.
3. MC74HC4094: Another alternative with similar characteristics, but manufactured by a different company.

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