Overview
The SN74LV393APWR is a dual 4-bit binary counter integrated circuit produced by Texas Instruments. This device is part of the 74LV series and is designed for operation over a wide voltage range of 2 V to 5.5 V. It features two individual 4-bit counters with their own clocks and direct clear inputs, making it highly versatile for various digital logic applications. The SN74LV393APWR is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package) and is RoHS compliant, ensuring environmental sustainability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 14-TSSOP (0.173", 4.40mm Width) | |
| Pins | 14 | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Voltage - Supply | 2 V to 5.5 V | V |
| Count Rate | 70 MHz | MHz |
| Trigger Type | Negative Edge | |
| Reset | Asynchronous | |
| Max tpd at 5 V | 10 ns | ns |
| Typical VOLP at VCC = 3.3 V, TA = 25°C | < 0.8 V | V |
| Typical VOHV at VCC = 3.3 V, TA = 25°C | > 2.3 V | V |
Key Features
- VCC operation of 2 V to 5.5 V
- Maximum propagation delay (tpd) of 10 ns at 5 V
- Typical output ground bounce (VOLP) < 0.8 V at VCC = 3.3 V, TA = 25°C
- Typical output VOH undershoot (VOHV) > 2.3 V at VCC = 3.3 V, TA = 25°C
- Ioff supports Partial-Power-Down-Mode operation
- Dual 4-bit binary counters with individual clocks
- Direct clear for each 4-bit counter
- Significant improvement in system densities by reducing counter package count by 50 percent
- Latch-Up performance exceeds 100 mA per JESD 78, Class II
Applications
- Synchronizing inverted clock inputs
- Debouncing a switch
- Inverting a digital signal
- General-purpose counting in digital systems
- Timing and sequencing circuits
Q & A
- What is the voltage supply range for the SN74LV393APWR? The voltage supply range is 2 V to 5.5 V.
- What is the package type and pin count of the SN74LV393APWR? It is packaged in a 14-pin TSSOP.
- What is the maximum count rate of the SN74LV393APWR? The maximum count rate is 70 MHz.
- What is the trigger type for the counters in the SN74LV393APWR? The trigger type is negative edge.
- Does the SN74LV393APWR support partial power-down mode? Yes, it supports partial power-down mode through the Ioff feature.
- How many 4-bit counters are included in the SN74LV393APWR? There are two individual 4-bit counters.
- What is the typical output ground bounce (VOLP) at VCC = 3.3 V and TA = 25°C? The typical VOLP is less than 0.8 V.
- What is the latch-up performance of the SN74LV393APWR according to JESD 78, Class II? The latch-up performance exceeds 100 mA.
- What are some common applications of the SN74LV393APWR? Common applications include synchronizing inverted clock inputs, debouncing switches, and inverting digital signals.
- Is the SN74LV393APWR RoHS compliant? Yes, the SN74LV393APWR is RoHS compliant.
