Overview
The CD4029BE is a CMOS Presettable Up/Down Counter produced by Texas Instruments. This integrated circuit is part of the CD4000 series and is designed for medium-speed operation. It features a four-stage binary or BCD-decade up/down counter with provisions for look-ahead carry in both counting modes. The device is available in various package types, including 16-lead PDIP, CDIP, SOIC, SOP, and TSSOP packages, making it versatile for different application needs.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | PDIP (N), CDIP, SOIC, SOP, TSSOP |
| Pins | 16 |
| Operating Temperature Range (°C) | -55 to 125 |
| Maximum Clock Frequency | 8 MHz (typ.) @ CL= 50 pF and VDD-VSS= 10 V |
| Input Current | 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C |
| Noise Margin | 1 V at VDD= 5 V, 2 V at VDD= 10 V, 2.5 V at VDD= 15 V |
| Quiescent Current | 100% tested at 20 V |
Key Features
- Medium-speed operation: 8 MHz (typ.) @ CL= 50 pF and VDD-VSS= 10 V
- Multi-package parallel clocking for synchronous high-speed output response or ripple clocking for slow clock input rise and fall times
- Preset Enable and individual Jam inputs provided
- Binary or decade up/down counting with BCD outputs in decade mode
- Standardized, symmetrical output characteristics
- Meets all requirements of JEDEC Tentative Standard No. 13B, 'Standard Specifications for Description of B Series CMOS Devices'
Applications
- Programmable binary and decade counting/frequency synthesizers with BCD output
- Analog to digital and digital to analog conversion
- Up/Down binary counting
- Magnitude and sign generation
- Up/Down decade counting
- Difference counting
Q & A
- What is the CD4029BE?
The CD4029BE is a CMOS Presettable Up/Down Counter integrated circuit produced by Texas Instruments.
- What are the available package types for the CD4029BE?
The device is available in 16-lead PDIP, CDIP, SOIC, SOP, and TSSOP packages.
- What is the operating temperature range of the CD4029BE?
The operating temperature range is -55 to 125°C.
- What is the maximum clock frequency of the CD4029BE?
The maximum clock frequency is 8 MHz (typ.) @ CL= 50 pF and VDD-VSS= 10 V.
- Does the CD4029BE support both binary and decade counting?
- What are the noise margin specifications for the CD4029BE?
The noise margin is 1 V at VDD= 5 V, 2 V at VDD= 10 V, and 2.5 V at VDD= 15 V.
- Is the CD4029BE compliant with any specific standards?
- What are some common applications of the CD4029BE?
- How does the preset enable feature work on the CD4029BE?
A high PRESET ENABLE signal allows information on the JAM INPUTS to preset the counter to any state asynchronously with the clock.
- Is the CD4029BE still in production?
