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74HC4094D
+BOMCounter Shift Registers
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ManufacturerNexperia
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Mfr. Part #74HC4094D
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In Stock28005
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Specifications
| Attribute | Value |
Overview
Description
Key features include:
- A wide operating voltage range of 2V to 6V, making it versatile for various circuits.
- High-speed operation with a typical propagation delay of 11 ns at 5V.
- Low power consumption due to CMOS technology.
- The capability to drive up to 10 LSTTL loads, enhancing its interfacing ability.
- Direct interface with TTL levels.
The 74HC4094D is often used in LED displays, data acquisition systems, and anywhere a compact shift register with a latch is needed. It is packaged typically in SO-16, making it suitable for surface-mount applications. Its simplicity and efficiency make it a valuable component in digital electronics.
Equivalent
- 74HCT4094: A similar CMOS technology variant with TTL-compatible inputs.
- CD4094: A CD4000 series variant offering similar functionality.
- HEF4094: A similar CMOS shift register from the HEF4000 family.
- MC14094: The Motorola equivalent in the CMOS logic family.
These alternatives can be used in applications requiring an 8-bit shift-and-store register with output latches.
Features
1. High-Speed Operation: Compatible with low-power Schottky TTL (LSTTL), it offers fast switching times.
2. 8-Bit Shift Register: Allows for serial-to-parallel data conversion.
3. Storage Register: Facilitates data storage, enabling parallel output.
4. Three-State Outputs: Provides capability for bus interface, allowing multiple outputs to connect to a common bus without interference.
5. Operating Voltage: Typically ranges from 2V to 6V, making it suitable for various applications.
6. Low Power Consumption: Characteristic of CMOS technology, ensuring energy efficiency.
7. Wide Temperature Range: Operates effectively across various environmental conditions, from -40°C to +85°C.
8. Pin Compatibility: Compatible with standard 4000 series and 74 series logic ICs.
These features make the 74HC4094D ideal for use in digital circuits requiring serial-to-parallel conversion, data storage, and bus interfacing.
Pinout
1. Pin 1 (Q1) to Pin 8 (Q8): These are the parallel output pins for the stored data.
2. Pin 9 (GND): Ground pin, connected to 0V.
3. Pin 10 (CP - Clock Input): This is the clock input pin; data is shifted on the rising edge of the clock.
4. Pin 11 (ST_CP - Strobe/Storage Register Clock Pin): Used to transfer data from the shift register to the storage register.
5. Pin 12 (DS - Data Serial Input): Input pin for the serial data.
6. Pin 13 (OE - Output Enable): Active low; enables the output pins Q1 to Q8.
7. Pin 14 (Q7S - Serial Output): This is the serial output pin used for cascading multiple devices.
8. Pin 15 (MR - Master Reset): Active low; clears all data in shift and storage registers.
9. Pin 16 (VCC): Supply voltage pin.
The chip is commonly used in digital circuits for data storage and transfer applications.
Manufacturer
Application
1. LED Displays and Indicators: It is often used for driving multiple LEDs in displays, enabling efficient control with minimal microcontroller pins.
2. Data Communication: In digital communication systems, it's utilized for data signal serialization and deserialization.
3. Signal Processing: Acts in digital signal processing systems for tasks requiring parallel-to-serial data conversion.
4. Microcontroller I/O Expansion: It extends the I/O capabilities of microcontrollers by serially controlling multiple outputs with few pins.
5. Shift Register Applications: Used in circuits requiring parallel output from serial input, such as memory registers.
These versatile applications make it an essential component in various digital circuits.