Part A
74HCT04D
Компания Toshiba Semiconductor и Storage
- Lifecycle
- Active
- Stock
- 4496 ПКС
- Package
- SOIC-16
- Series
- Логика - Ворота и инверторы
Replacement verdict
Not a drop-in replacement
The 74HCT4052D and 74HCT04D are fundamentally different devices and cannot be used as substitutes for one another. The 74HCT4052D is a dual 4-channel analog multiplexer/demultiplexer, while the 74HCT04D is a hex inverter. Their functions, pinouts, and internal architectures are entirely incompatible, making direct replacement impossible in any design.
Different logic function
Different channel configuration
Different pinout
Different signal path type
Parts at a glance
Part B
74HCT4052D
Компания Toshiba Semiconductor и Storage
- Lifecycle
- Active
- Stock
- 3196 ПКС
- Package
- SOIC-16
- Series
- Интерфейс - аналоговые выключатели, мультиплексоры, демультиплексоры
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | 74HCT4052D | 74HCT04D | Why it matters |
|---|---|---|---|
| Function | Dual 4-channel analog multiplexer/demultiplexer | Hex inverter | These devices perform completely different logic functions, so they are not functionally interchangeable in a circuit. |
| Logic Type | Analog switch / multiplexer | Inverter | The logic type determines the signal-processing behavior and whether the part can route analog signals or only invert digital logic. |
| Number of Circuits | 2 | 6 | The number of independent channels affects how many signals can be handled per package and the required board footprint. |
| Number of Channels per Circuit | 4 | 1 | Channel count per circuit defines the multiplexing capability versus single-signal inversion, directly affecting substitutability. |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V | Both parts operate from a standard 5 V TTL-compatible supply, so power-rail compatibility is similar. |
| On-State Resistance | Typically 80 Ω at 5 V | Not applicable | On-state resistance is critical for analog signal integrity in the multiplexer but is irrelevant for a digital inverter. |
| Propagation Delay | Typically 8 ns at 5 V | Typically 12 ns at 5 V | Propagation delay affects timing margins in high-speed digital systems and differs between these device types. |
| Output Drive Current | ±4 mA | ±4 mA | Output drive capability determines fan-out and load-driving ability; similar ratings suggest comparable interface strength. |
| Package | SOIC-16 | SOIC-14 | Different package pin counts and footprints prevent direct drop-in replacement without layout changes. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Both parts support industrial temperature ranges, so environmental tolerance is comparable. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 74HCT04D | 74HCT4052D |
|---|---|---|
| Series | 74HCT | - |
| Part Status | Active | Active |
| Logic Type | Inverter | - |
| Number of Circuits | 6 | 2 |
| Number of Inputs | 1 | - |
| Voltage - Supply | 4.5V ~ 5.5V | - |
| Current - Quiescent (Max) | 1 µA | - |
| Current - Output High Low | 4mA, 4mA | - |
| Logic Level - Low | 0.8V | - |
| Logic Level - High | 2V | - |
| Max Propagation Delay @ V Max CL | 16ns @ 5.5V, 50pF | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Switch Circuit | - | DP4T |
| Multiplexer / Demultiplexer Circuit | - | 4:1 |
| On - State Resistance(Max) | - | 150Ohm |
| Channel - to - Channel Matching(ΔRon) | - | 6Ohm |
| Voltage - Supply, Single (V+) | - | 4.5V ~ 5.5V |
| Voltage - Supply, Dual (V±) | - | ±1V ~ 5V |
| Switch Time(Ton Toff)(Max) | - | 60ns, 48ns |
| -3 dB Bandwidth | - | 180MHz |
| Channel Capacitance(CS(off)CD(off)) | - | 3.5pF |
| Current - Leakage(IS(off))(Max) | - | 2µA |
| Crosstalk | - | -60dB @ 1MHz |
Frequently asked questions
What are the primary functions of the 74HCT4052D and 74HCT04D?
The 74HCT4052D is a dual 4-channel analog multiplexer/demultiplexer, while the 74HCT04D is a hex inverter. They serve completely different signal-routing and logic functions.
Can the 74HCT4052D and 74HCT04D be used interchangeably in a circuit?
No. The 74HCT4052D routes analog or digital signals between multiple channels, whereas the 74HCT04D performs logic inversion on six independent digital inputs. Their pinouts and internal architectures are not compatible.
Do the 74HCT4052D and 74HCT04D operate from the same supply voltage range?
Both are HCT-family devices typically specified for a 4.5 V to 5.5 V supply, with 5 V nominal operation. Always confirm the exact limits in the manufacturer datasheet for the specific part number.
Are the 74HCT4052D and 74HCT04D available in the same package type?
Both are commonly offered in SO16 (D) packages, but the 74HCT4052D is a 16-pin multiplexer and the 74HCT04D is a 14-pin inverter in SO14. Package pin counts and pin functions differ, so PCB footprints are not interchangeable.
What are the key logic-level characteristics of the 74HCT04D?
The 74HCT04D provides six independent inverters with HCT-compatible input thresholds, allowing direct interfacing with 5 V TTL logic while operating from a 5 V supply. It is not an analog signal-routing device.
What are the key signal-routing characteristics of the 74HCT4052D?
The 74HCT4052D contains two 4-channel analog multiplexers/demultiplexers with digital select inputs. It can pass analog signals within the supply rails and is controlled by standard HCT-compatible logic levels.
Do the 74HCT4052D and 74HCT04D have the same propagation delay or switching speed?
No. The 74HCT04D is a logic inverter with propagation delays typically in the low nanoseconds, while the 74HCT4052D is an analog switch/multiplexer whose transition times and on-resistance dominate its signal-routing behavior. The two cannot be compared by a single timing parameter.
Which device should be selected for multiplexing analog sensor signals?
The 74HCT4052D is the appropriate choice because it is designed for analog multiplexing/demultiplexing. The 74HCT04D is a digital inverter and cannot route analog signals.