Overview
The SN74LV4040APW is a 12-bit asynchronous binary counter produced by Texas Instruments. This device is part of the LV4040A family and is designed to operate within a voltage range of 2V to 5.5V. The SN74LV4040APW features all stages of the counter available externally, making it versatile for various counting applications. Although this product is no longer in production, it remains relevant for existing designs and educational purposes.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP (PW) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | -0.5 to 7 | V |
| Input Voltage Range | -0.5 to 7 | V |
| Output Voltage Range | -0.5 to VCC + 0.5 | V |
| Continuous Output Current | ±25 | mA |
| Storage Temperature Range | -65 to 150 | °C |
| ESD Protection (Human Body Model) | 2000 | V |
| ESD Protection (Charged Device Model) | 1000 | V |
Key Features
- 2V to 5.5V VCC operation
- Typical VOLP (output ground bounce) < 0.8V at VCC = 3.3V, TA = 25°C
- Typical VOHV (output VOH undershoot) > 2.3V at VCC = 3.3V, TA = 25°C
- Support mixed-mode voltage operation on all ports
- High on-off output-voltage ratio
- Low crosstalk between switches
- Individual switch controls
- Extremely low input current
- Ioff supports partial-power-down mode operation
- Latch-up performance exceeds 100mA per JESD 78, class II
Applications
The SN74LV4040APW is suitable for a variety of applications, including but not limited to:
- Counting circuits in digital systems
- Timing and sequencing circuits
- Automated control systems
- Industrial automation
- Embedded systems requiring asynchronous counting
Q & A
- What is the voltage range for the SN74LV4040APW?
The SN74LV4040APW operates within a voltage range of 2V to 5.5V. - What is the package type of the SN74LV4040APW?
The package type is TSSOP (PW) with 16 pins. - What is the operating temperature range for this device?
The operating temperature range is -40°C to 85°C. - Does the SN74LV4040APW support mixed-mode voltage operation?
Yes, it supports mixed-mode voltage operation on all ports. - What is the typical output ground bounce (VOLP) at VCC = 3.3V?
The typical VOLP is less than 0.8V at VCC = 3.3V and TA = 25°C. - What is the ESD protection level for the SN74LV4040APW?
The ESD protection exceeds 2000V for the Human Body Model and 1000V for the Charged Device Model. - Is the SN74LV4040APW still in production?
No, this product is no longer in production. - What are some common applications for the SN74LV4040APW?
Common applications include counting circuits, timing and sequencing circuits, automated control systems, and industrial automation. - Does the SN74LV4040APW support partial-power-down mode operation?
Yes, it supports partial-power-down mode operation through the Ioff feature. - What is the latch-up performance of the SN74LV4040APW?
The latch-up performance exceeds 100mA per JESD 78, class II.
