Overview
The SN74LV393APWR, produced by Texas Instruments, is a dual 4-bit binary counter integrated circuit. This device contains eight flip-flops and additional gating to implement two individual 4-bit counters in a single package. It is designed for operation over a wide voltage range of 2 V to 5.5 V, making it versatile for various digital circuit applications. The SN74LV393APWR is available in several package types, including SOIC, SOP, SSOP, TSSOP, and TVSOP, which allows for flexibility in board design and space utilization.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5.5 | V | |
| Input Voltage (VI) | -0.5 | 7 | V | |
| Output Voltage (VO) | -0.5 | VCC + 0.5 | V | |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | |
| Maximum Propagation Delay (tpd) at VCC = 5 V | 10 | ns | ||
| Output Ground Bounce (VOLP) at VCC = 3.3 V | < 0.8 | V | ||
| Output VOH Undershoot (VOHV) at VCC = 3.3 V | > 2.3 | V | ||
| Continuous Output Current (IOL/IOH) | ±25 | mA |
Key Features
- Dual 4-bit binary counters with individual clocks and direct clear inputs for each counter.
- Operation over a wide voltage range of 2 V to 5.5 V.
- Maximum propagation delay of 10 ns at VCC = 5 V.
- Typical output ground bounce (VOLP) less than 0.8 V at VCC = 3.3 V.
- Typical output VOH undershoot (VOHV) greater than 2.3 V at VCC = 3.3 V.
- Support for Partial-Power-Down-Mode operation.
- Latch-Up performance exceeds 100 mA per JESD 78, Class II.
- Available in various package types including SOIC, SOP, SSOP, TSSOP, and TVSOP.
Applications
- Synchronizing inverted clock inputs.
- Debouncing a switch.
- Inverting a digital signal.
- General-purpose counting in digital systems.
- Improving system densities by reducing the number of counter packages needed.
Q & A
- What is the voltage range for the SN74LV393APWR?
The SN74LV393APWR operates over a voltage range of 2 V to 5.5 V.
- How many flip-flops are contained in the SN74LV393APWR?
The device contains eight flip-flops.
- What are the typical output ground bounce and VOH undershoot values at VCC = 3.3 V?
The typical output ground bounce (VOLP) is less than 0.8 V, and the typical output VOH undershoot (VOHV) is greater than 2.3 V at VCC = 3.3 V.
- What is the maximum propagation delay at VCC = 5 V?
The maximum propagation delay is 10 ns at VCC = 5 V.
- Does the SN74LV393APWR support Partial-Power-Down-Mode operation?
- What are some common applications of the SN74LV393APWR?
- What are the available package types for the SN74LV393APWR?
The device is available in SOIC, SOP, SSOP, TSSOP, and TVSOP packages.
- What is the latch-up performance of the SN74LV393APWR?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
- How does the SN74LV393APWR improve system densities?
- Are there any qualified versions of the SN74LV393APWR for specific applications?
