CD4094BPW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: Serial-In, Parallel-Out (SIPO) shift register with 8-bit storage capability
• Package: PDIP (Plastic Dual In-Line Package)
• Essence: Efficiently transfers data in a serial-to-parallel or parallel-to-serial manner
• Packaging/Quantity: Available in reels of 2,500 units

Specifications

• Supply Voltage: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Input Voltage High Level (VIH): 2V to VDD
• Input Voltage Low Level (VIL): GND to 0.8V
• Output Voltage High Level (VOH): VDD - 0.5V
• Output Voltage Low Level (VOL): 0.5V
• Maximum Clock Frequency: 25MHz

Detailed Pin Configuration

The CD4094BPW has a total of 16 pins, each serving a specific function:

1. Serial Data Input (SER): Receives the input data bit by bit.
2. Clock Input (CLK): Controls the shifting of data bits.
3. Strobe Input (STR): Latches the data into the shift register.
4. Data Output (Q7'): Provides the parallel output of the last stage.
5. Parallel Data Outputs (Q0-Q6): Provide the parallel outputs of each stage.
6. Reset Input (MR): Resets the shift register to its initial state.
7. VDD: Positive power supply voltage.
8. GND: Ground reference.

Functional Features

• Serial-In, Parallel-Out (SIPO) Operation: Allows data to be shifted in serially and then outputted in parallel.
• Cascade Capability: Multiple CD4094BPW ICs can be connected together to increase the number of outputs.
• Strobe Control: The STR input allows latching of data into the shift register at a desired time.
• Reset Functionality: The MR input resets the shift register to its initial state.

Advantages

• Efficient Data Transfer: Enables efficient conversion between serial and parallel data formats.
• Flexible Integration: Can be easily cascaded with other shift registers to expand the number of outputs.
• Wide Operating Voltage Range: Supports a wide range of supply voltages, making it versatile for various applications.
• High-Speed Operation: Capable of operating at clock frequencies up to 25MHz.

Disadvantages

• Limited Storage Capacity: The CD4094BPW has an 8-bit storage capability, which may not be sufficient for certain applications requiring larger data storage.
• Lack of Built-in Logic Functions: It is primarily a shift register and does not include built-in logic functions, limiting its standalone functionality.

Working Principles

The CD4094BPW operates based on the principle of shifting data bits through its internal flip-flops. When clocked, the input data is shifted through the stages, and the last stage's output is available in parallel form. The strobe input allows the user to latch the data into the shift register at a desired time. The reset input resets the shift register to its initial state.

Detailed Application Field Plans

The CD4094BPW finds applications in various fields, including:

1. LED Displays: Used to control multiple LEDs by converting serial data into parallel outputs.
2. Data Communication Systems: Facilitates serial-to-parallel or parallel-to-serial data conversion in communication protocols.
3. Industrial Automation: Enables efficient control of multiple devices by converting data formats.
4. Instrumentation: Used for data acquisition and control in measurement systems.

Detailed and Complete Alternative Models

1. CD4094BE: Same functionality as CD4094BPW but available in a DIP (Dual In-Line Package) package.
2. CD74HC4094E: High-speed CMOS alternative with similar functionality.
3. SN74HC595N: 8-bit shift register with storage capability and serial-to-parallel conversion.

(Note: The above list is not exhaustive and other alternatives may exist.)

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