Overview
The CD4093BE is a CMOS quad 2-input NAND Schmitt trigger integrated circuit produced by Texas Instruments. This component consists of four independent Schmitt-trigger circuits, each functioning as a two-input NAND gate with Schmitt-trigger action on both inputs. This design provides enhanced noise immunity and hysteresis, making it suitable for a variety of digital electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PDIP, SOIC, TSSOP | - |
| Number of Pins | 14 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Supply Voltage Range | 3 to 18 | V |
| Propagation Delay @ 15V, 50pF | 130 ns | ns |
| Quiescent Current @ 20 V | 20 μA | μA |
| Maximum Input Current @ 18 V | 1 μA | μA |
| Hysteresis Voltage @ VDD = 5 V | 0.9 V | V |
| Hysteresis Voltage @ VDD = 10 V | 2.3 V | V |
Key Features
- Schmitt-trigger action on each input without external components
- Hysteresis voltage typically 0.9 V at VDD = 5 V and 2.3 V at VDD = 10 V
- Noise immunity greater than 50%
- No limit on input rise and fall times
- Standardized, symmetrical output characteristics
- 100% tested for quiescent current at 20 V
- Maximum input current of 1 μA at 18 V over full package-temperature range
- Meets all requirements of JEDEC Tentative Standard No. 13B, 'Standard Specifications for Description of 'B' Series CMOS Devices'
Applications
- Wave and pulse shapers
- High-noise-environment systems
- Monostable multivibrators
- Astable multivibrators
- NAND logic circuits
- Oscillators, flip-flops, pulse generators, and timing circuits
Q & A
- What is the CD4093BE used for?
The CD4093BE is commonly used in digital electronic circuits for applications such as wave and pulse shapers, high-noise-environment systems, monostable and astable multivibrators, and NAND logic circuits.
- What is the operating voltage range of the CD4093BE?
The CD4093BE operates within a voltage range of 3 V to 18 V.
- What is the significance of hysteresis voltage in the CD4093BE?
The hysteresis voltage (typically 0.9 V at VDD = 5 V and 2.3 V at VDD = 10 V) provides noise immunity by ensuring the gate switches at different points for positive- and negative-going signals.
- What are the packaging options for the CD4093BE?
The CD4093BE is available in various packages including 14-lead PDIP, SOIC, and TSSOP.
- What is the propagation delay of the CD4093BE?
The propagation delay is typically 130 ns at 15 V with a 50 pF load capacitance.
- How does the CD4093BE handle input rise and fall times?
The CD4093BE has no limit on input rise and fall times, providing flexibility in circuit design.
- What is the quiescent current of the CD4093BE?
The quiescent current is 20 μA at 20 V.
- What are the key considerations when using the CD4093BE?
Ensure the power supply falls within the specified voltage range, adhere to maximum input and output current ratings, and follow proper static discharge precautions.
- Does the CD4093BE meet any specific industry standards?
Yes, it meets all requirements of JEDEC Tentative Standard No. 13B for 'B' Series CMOS Devices.
- What is the operating temperature range of the CD4093BE?
The operating temperature range is -55°C to 125°C.
