Overview
The CD4049UBD is a CMOS Hex Inverting Buffer and Converter produced by Texas Instruments. This device is part of the CD4049UB series, which features inverting hex buffers designed for logic-level conversion and driving capabilities. The CD4049UBD is particularly useful for converting CMOS logic levels to DTL or TTL levels and can drive directly two DTL or TTL loads. It operates with a single supply voltage (VCC) and is available in a 16-pin SOIC package.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -55 | 125 | °C | |
| VCC (Supply Voltage) | 3 | 18 | V | |
| Output Low Voltage (VOL) | 0 | 0.05 | V | |
| Output High Voltage (VOH) at VCC = 5V | 4.95 | 5 | V | |
| Output Low Current (IOL) at VCC = 5V | 3.3 | 6.4 | mA | |
| Propagation Delay Time (tPLH) at VCC = 5V | 60 | 120 | ns | |
| Propagation Delay Time (tPHL) at VCC = 5V | 32 | 65 | ns | |
| Input Current (IIN) at 18V and 25°C | 100 | 1000 | nA/µA | |
| Input Capacitance (CIN) | 15 | 22.5 | pF |
Key Features
- Inverting hex buffer with six channels
- High sink current for driving two TTL loads
- High-to-low level logic conversion capability
- 100% tested for quiescent current at 20V
- Maximum input current of 1 µA at 18V over full package temperature range
- Parametric ratings for 5V, 10V, and 15V supply voltages
- RoHS compliant
Applications
- CMOS to DTL or TTL hex converters
- CMOS current sink or source drivers
- CMOS high-to-low logic level converters
- Replacement for CD4009UB and CD4010B in inverter, current driver, or logic-level conversion applications
Q & A
- What is the CD4049UBD used for? The CD4049UBD is used as a CMOS hex inverting buffer and converter, particularly for converting CMOS logic levels to DTL or TTL levels.
- What is the operating temperature range of the CD4049UBD? The operating temperature range is from -55°C to 125°C.
- What is the maximum output low current (IOL) of the CD4049UBD at VCC = 5V? The maximum output low current (IOL) is 6.4 mA.
- Can the CD4049UBD drive TTL loads directly? Yes, the CD4049UBD can drive directly two DTL or TTL loads.
- What is the propagation delay time (tPLH) of the CD4049UBD at VCC = 5V? The propagation delay time (tPLH) is between 60 ns and 120 ns.
- Is the CD4049UBD RoHS compliant? Yes, the CD4049UBD is RoHS compliant.
- What are the package options for the CD4049UBD? The CD4049UBD is available in a 16-pin SOIC package among other options.
- What is the input current (IIN) at 18V and 25°C for the CD4049UBD? The input current (IIN) is 100 nA at 18V and 25°C.
- Can the CD4049UBD be used as a replacement for other devices? Yes, it can be used as a replacement for CD4009UB and CD4010B in inverter, current driver, or logic-level conversion applications.
- What is the typical input capacitance (CIN) of the CD4049UBD? The typical input capacitance (CIN) is between 15 pF and 22.5 pF.
