Overview
The CD4049UBEE4, produced by Texas Instruments, is a CMOS hex inverting buffer and logic-level converter. This device is part of the CD4049UB series and is designed to provide high-performance buffering and logic-level conversion capabilities. It operates with a single supply voltage and is suitable for various applications requiring CMOS to DTL or TTL conversions.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 18 | V | ||
| Output Low Voltage (VOL) | VIN = 0 or 5 V, VCC = 5 V | 0 | 0.4 | V | |
| Output High Voltage (VOH) | VIN = 0 or 5 V, VCC = 5 V | 4.95 | 5 | V | |
| Input Low Voltage (VIL) | VOUT = 4.5 V, VCC = 5 V | 1 | V | ||
| Input High Voltage (VIH) | VOUT = 0.5 V, VCC = 5 V | 4 | V | ||
| Output Low Current (IOL) | VOUT = 0.4 V, VIN = 0 or 5 V, VCC = 5 V | 2.6 | 5.2 | mA | |
| Propagation Delay Time (tPLH) | VIN = 5 V, VCC = 5 V | 60 | 120 | ns | |
| Propagation Delay Time (tPHL) | VIN = 5 V, VCC = 5 V | 32 | 65 | ns | |
| Input Capacitance (CIN) | 15 | 22.5 | pF | ||
| Junction-to-Ambient Thermal Resistance (RθJA) | D (SOIC) | 81.6 | °C/W |
Key Features
- Inverting hex buffer with six independent buffers
- High sink current for driving two TTL loads
- High-to-low level logic conversion capability
- Low input current of 1 µA at 18 V over full package temperature range
- 100% tested for quiescent current at 20 V
- Operates with a single supply voltage (VCC) from 3 V to 18 V
- Available in various packages including PDIP, SOIC, SO, and TSSOP
Applications
- CMOS to DTL or TTL converters
- CMOS current sink or source drivers
- CMOS high-to-low logic level converters
- General-purpose buffering and logic-level conversion in digital circuits
Q & A
- What is the primary function of the CD4049UBEE4? The CD4049UBEE4 is a CMOS hex inverting buffer and logic-level converter.
- What is the range of the supply voltage (VCC) for the CD4049UBEE4? The supply voltage (VCC) ranges from 3 V to 18 V.
- How many independent buffers does the CD4049UBEE4 have? The CD4049UBEE4 has six independent inverting buffers.
- What is the maximum output low current (IOL) at VCC = 5 V? The maximum output low current (IOL) at VCC = 5 V is 5.2 mA.
- What are the typical propagation delay times for the CD4049UBEE4? The typical propagation delay times are 60 ns to 120 ns for low to high (tPLH) and 32 ns to 65 ns for high to low (tPHL) at VCC = 5 V.
- What is the input capacitance (CIN) of the CD4049UBEE4? The input capacitance (CIN) is typically 22.5 pF.
- In what packages is the CD4049UBEE4 available? The CD4049UBEE4 is available in PDIP, SOIC, SO, and TSSOP packages.
- What are some common applications of the CD4049UBEE4? Common applications include CMOS to DTL or TTL converters, CMOS current sink or source drivers, and CMOS high-to-low logic level converters.
- What is the junction-to-ambient thermal resistance (RθJA) for the SOIC package? The junction-to-ambient thermal resistance (RθJA) for the SOIC package is 81.6 °C/W.
- What is the maximum input current at 18 V over the full package temperature range? The maximum input current is 1 µA at 18 V over the full package temperature range.
