Part A
74LVC04AD
NXP Hoa Kỳ Inc.
- Lifecycle
- Active
- Stock
- 7520 PCS
- Package
- SOIC-14
- Series
- Logic - Gates and Inverters
Replacement verdict
Not a drop-in replacement
The 74LVC04AD and 74LVC00AMTR are not functionally interchangeable despite sharing the same LVC logic family and similar SOIC-14 footprint. The 74LVC04AD is a hex inverting buffer (unbuffered inverter) with six independent NOT gates, while the 74LVC00AMTR is a quad 2-input NAND gate. Their logic functions, gate topology, and pin assignments differ fundamentally, so direct substitution is not possible without circuit redesign.
Different logic function
Different gate topology
Different pin assignment
Different input configuration
Parts at a glance
Part B
74LVC00AMTR
STMicroelectronics
- Lifecycle
- Active
- Stock
- 2464 PCS
- Series
- Logic - Gates and Inverters
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | 74LVC04AD | 74LVC00AMTR | Why it matters |
|---|---|---|---|
| Logic Function | Hex Inverter | Quad 2-Input NAND Gate | The logic function determines the boolean operation performed; an inverter and a NAND gate are not functionally interchangeable in a circuit. |
| Number of Gates | 6 | 4 | The gate count affects how many independent logic operations can be performed within a single package. |
| Number of Inputs per Gate | 1 | 2 | Input count per gate defines the logic capability; a single-input inverter cannot perform a two-input NAND function. |
| Supply Voltage Range | 1.65 V to 3.6 V | 1.65 V to 3.6 V | The operating voltage range must match the system supply to ensure proper logic levels and device reliability. |
| Logic Family | LVC | LVC | The logic family determines compatible input/output thresholds and interfacing with other logic devices. |
| Output Type | Push-Pull | Push-Pull | Push-pull outputs drive both logic high and low actively, affecting drive strength and bus compatibility. |
| Mounting Type | Surface Mount | Surface Mount | Mounting type must match the PCB assembly process and available board footprint. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | The temperature range ensures the device operates reliably across the intended environmental conditions. |
| RoHS Compliance | Compliant | Compliant | RoHS compliance is required for many commercial and consumer electronic products to meet environmental regulations. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 74LVC04AD | 74LVC00AMTR |
|---|---|---|
| Supplier | - | STMicroelectronics |
| Series | 74LVC | 74LVC |
| Part Status | Active | Obsolete |
| Logic Type | Inverter | NAND Gate |
| Number of Circuits | 6 | 4 |
| Number of Inputs | 1 | 2 |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Current - Quiescent (Max) | 40 µA | 10 µA |
| Current - Output High Low | 24mA, 24mA | 24mA, 24mA |
| Logic Level - Low | 0.12V ~ 0.8V | 0.7V ~ 0.8V |
| Logic Level - High | 1.08V ~ 2V | 1.7V ~ 2V |
| Max Propagation Delay @ V Max CL | 6ns @ 3.3V, 50pF | 5.1ns @ 3.3V, 50pF |
| Operating Temperature | -40°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary functional differences between the 74LVC04AD and the 74LVC00AMTR?
The 74LVC04AD is a hex inverter, containing six independent NOT gates that output the logical inverse of the input signal. The 74LVC00AMTR is a quad 2-input NAND gate, containing four independent gates that output a LOW signal only when both inputs are HIGH. They perform different logic functions and are not pin-to-pin or function-to-function equivalents.
Are the 74LVC04AD and 74LVC00AMTR pin-compatible?
No. The 74LVC04AD is typically offered in a 14-pin SOIC package with a standard hex inverter pinout, while the 74LVC00AMTR is typically offered in a 14-pin SOIC package with a quad 2-input NAND gate pinout. Although both may use a 14-pin package, the internal gate connections and pin functions differ, so they cannot be used interchangeably on the same PCB footprint without redesign.
Can the 74LVC04AD and 74LVC00AMTR operate from the same supply voltage range?
Yes. Both devices are members of the 74LVC logic family and are specified for a supply voltage range of 1.65 V to 3.6 V, with typical operation at 1.8 V, 2.5 V, and 3.3 V. This makes them compatible with low-voltage CMOS and TTL-level systems within that range.
Do both devices support 5 V tolerant inputs?
Yes. The 74LVC04AD and 74LVC00AMTR both feature 5 V tolerant inputs when operated within their specified supply voltage range, allowing them to interface with 5 V logic without additional level shifting, provided the supply voltage is within the recommended operating conditions.
What are the output drive capabilities of the 74LVC04AD and 74LVC00AMTR?
Both devices typically provide ±24 mA output drive at 3.3 V, which is sufficient for driving moderate capacitive loads and standard logic inputs. Actual drive strength may vary by manufacturer and should be verified against the specific datasheet for the exact part number and package.
Which device is better for implementing a simple signal inversion?
The 74LVC04AD is the appropriate choice for signal inversion because it is a dedicated hex inverter. The 74LVC00AMTR cannot perform inversion without external wiring, as its NAND gates require both inputs to be tied together to function as an inverter, which is less efficient and uses more gates than necessary.
Are the 74LVC04AD and 74LVC00AMTR available in the same package types?
Both devices are commonly available in 14-pin SOIC, TSSOP, and other surface-mount packages. However, the specific package suffix in the part number (e.g., "AD" for SOIC in some manufacturer naming conventions, "MTR" for tape and reel in others) indicates different packaging and ordering options. Designers must verify the exact package and pinout from the manufacturer datasheet before layout.
Can the 74LVC04AD be used to replace the 74LVC00AMTR in an existing design?
No. The 74LVC04AD is a hex inverter and the 74LVC00AMTR is a quad 2-input NAND gate. They have different logic functions, different pinouts, and different gate counts. A direct replacement is not possible without redesigning the circuit to accommodate the different logic and pin assignments.