Overview
The CD4029BMT, produced by Texas Instruments, is a presettable binary or BCD-decade up/down counter. This component is part of the CD4029B series and is designed for medium-speed operation. It features a four-stage counter with provisions for look-ahead carry in both binary and BCD-decade counting modes. The counter includes inputs such as CLOCK, CARRY-IN, BINARY/DECADE, UP/DOWN, PRESET ENABLE, and individual JAM signals, along with outputs like Q1, Q2, Q3, Q4, and CARRY OUT.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (D), PDIP, 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 |
| Supply Voltage | 5 V, 10 V, 15 V |
Key Features
- Medium-speed operation with a maximum clock frequency of 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
- 100% tested for quiescent current at 20 V
- 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 CD4029BMT used for?
The CD4029BMT is used as a presettable binary or BCD-decade up/down counter in various applications such as programmable counting, frequency synthesizers, and digital to analog conversion.
- What are the different package types available for the CD4029BMT?
The CD4029BMT is available in several package types including SOIC (D), PDIP, SOP, and TSSOP.
- What is the maximum clock frequency of the CD4029BMT?
The maximum clock frequency of the CD4029BMT is 8 MHz (typ.) @ CL = 50 pF and VDD - VSS = 10 V.
- How does the CD4029BMT handle clocking?
The CD4029BMT can be clocked in either parallel-clocking or ripple-clocking arrangements, providing synchronous control for high-speed output response or accommodating slow clock input rise and fall times.
- What are the input and output signals of the CD4029BMT?
The inputs include CLOCK, CARRY-IN, BINARY/DECADE, UP/DOWN, PRESET ENABLE, and individual JAM signals. The outputs include Q1, Q2, Q3, Q4, and CARRY OUT.
- What is the operating temperature range of the CD4029BMT?
The operating temperature range of the CD4029BMT is -55°C to 125°C.
- Does the CD4029BMT meet any specific industry standards?
Yes, the CD4029BMT meets all requirements of JEDEC Tentative Standard No. 13B, 'Standard Specifications for Description of B Series CMOS Devices'.
- What is the noise margin of the CD4029BMT?
The noise margin of the CD4029BMT is 1 V at VDD = 5 V, 2 V at VDD = 10 V, and 2.5 V at VDD = 15 V.
- Is the CD4029BMT RoHS compliant?
Yes, the CD4029BMT is available in RoHS-compliant versions.
- What are some common applications of the CD4029BMT?
Common applications include programmable binary and decade counting, frequency synthesizers, analog to digital and digital to analog conversion, and magnitude and sign generation.
