Overview
The SN74LV595APWRG4 is an 8-bit serial-in, parallel-out shift register produced by Texas Instruments. This device is part of the SN74LV595A series and is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). It operates within a wide voltage range of 2 V to 5.5 V, making it versatile for various applications. The SN74LV595A features a direct clear input, support for mixed-mode voltage operation, and low power consumption, which are crucial for modern electronic designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5.5 | V | |
| High-Level Input Voltage (VIH) | 1.5 | VCC * 0.7 | V | |
| Low-Level Input Voltage (VIL) | 0.5 | VCC * 0.3 | V | |
| Maximum Propagation Delay (tpd) at VCC = 5 V | 7.1 | ns | ||
| Output Voltage High (VOH) at VCC = 3.3 V, IOH = -50 µA | 2.3 | V | ||
| Output Voltage Low (VOL) at VCC = 3.3 V, IOL = 50 µA | 0.8 | V | ||
| Continuous Output Current | ±35 | mA | ||
| Storage Temperature Range | -65 | 150 | °C |
Key Features
- VCC operation from 2 V to 5.5 V
- Maximum propagation delay of 7.1 ns at VCC = 5 V
- Typical output ground bounce < 0.8 V at VCC = 3.3 V, TA = 25°C
- Support for mixed-mode voltage operation on all ports
- 8-bit serial-in, parallel-out shift register with direct clear
- Ioff supports live insertion, partial power-down mode, and back-drive protection
- Latch-up performance exceeds 250 mA per JESD 17
Applications
- Output expansion
- LED matrix control
- 7-segment display control
Q & A
- What is the operating voltage range of the SN74LV595APWRG4?
The SN74LV595APWRG4 operates within a voltage range of 2 V to 5.5 V.
- What is the maximum propagation delay at VCC = 5 V?
The maximum propagation delay at VCC = 5 V is 7.1 ns.
- Does the SN74LV595APWRG4 support mixed-mode voltage operation?
Yes, it supports mixed-mode voltage operation on all ports.
- What is the function of the direct clear input?
The direct clear input allows for immediate clearing of the shift register.
- What are some common applications of the SN74LV595APWRG4?
Common applications include output expansion, LED matrix control, and 7-segment display control.
- What is the typical output ground bounce at VCC = 3.3 V and TA = 25°C?
The typical output ground bounce is less than 0.8 V.
- Does the SN74LV595APWRG4 have any power-saving features?
Yes, it has Ioff which supports live insertion, partial power-down mode, and back-drive protection.
- What is the storage temperature range for the SN74LV595APWRG4?
The storage temperature range is from -65°C to 150°C.
- What is the continuous output current rating for the SN74LV595APWRG4?
The continuous output current rating is ±35 mA.
- What is the latch-up performance of the SN74LV595APWRG4 according to JESD 17?
The latch-up performance exceeds 250 mA per JESD 17.
