Overview
The SN74LVC1G74RSER is a single positive-edge-triggered D-type flip-flop with clear and preset functions, manufactured by Texas Instruments. This device is part of the LVC (Low-Voltage CMOS) family and is designed for operation over a wide range of supply voltages from 1.65 V to 5.5 V. It features advanced packaging options, including the NanoFree™ package, which enhances thermal performance and reduces package size. The device is suitable for various applications requiring low power consumption, high speed, and robust protection features.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | 1.65 | - | 5.5 | V |
| Input Voltage Range (VI) | -0.5 | - | 6.5 | V |
| Output Voltage Range (VO) | -0.5 | - | VCC + 0.5 | V |
| High-Level Input Voltage (VIH) | 0.7 * VCC | - | VCC | V |
| Low-Level Input Voltage (VIL) | 0.3 * VCC | - | 0.35 * VCC | V |
| Maximum Propagation Delay (tpd) | 1.4 | - | 13.4 | ns |
| Continuous Output Current (IO) | -50 | - | 50 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Junction-to-Ambient Thermal Resistance (θJA) | 220 | - | 261 | °C/W |
Key Features
- Available in Texas Instruments' NanoFree™ package, which reduces package size and enhances thermal performance.
- Supports 5-V VCC operation and inputs accept voltages up to 5.5 V.
- Ioff feature supports live insertion, partial power-down mode, and back drive protection, preventing damaging current backflow when powered down.
- Low power consumption with a maximum ICC of 10 μA.
- High output drive capability of ±24 mA at 3.3 V.
- ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
- Latch-up performance exceeds 100 mA per JESD 78, Class II).
- Supports down voltage translation (e.g., 5-V to 3.3-V, 5.0-V to 1.8-V, 3.3-V to 1.8-V)).
Applications
The SN74LVC1G74RSER is versatile and can be used in a variety of applications, including:
- High-speed digital circuits requiring low power consumption.
- Partial power-down systems where Ioff circuitry is essential.
- Voltage translation applications between different voltage domains.
- Embedded systems and microcontrollers where flip-flops are necessary for sequential logic operations.
- Industrial control systems and automation where robust and reliable logic components are required.
Q & A
- What is the operating voltage range of the SN74LVC1G74RSER?
The operating voltage range is from 1.65 V to 5.5 V.
- What are the key features of the NanoFree™ package?
The NanoFree™ package reduces package size and enhances thermal performance.
- What is the Ioff feature and its significance?
The Ioff feature supports live insertion, partial power-down mode, and back drive protection, preventing damaging current backflow when powered down.
- What are the ESD protection levels for this device?
ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model)).
- What is the maximum propagation delay for this device?
The maximum propagation delay (tpd) is up to 13.4 ns).
- What is the operating temperature range of the SN74LVC1G74RSER?
The operating temperature range is from -40°C to 125°C).
- What are the typical output drive capabilities of this device?
The device has a high output drive capability of ±24 mA at 3.3 V).
- Can this device support voltage translation between different voltage domains?
Yes, it supports down voltage translation (e.g., 5-V to 3.3-V, 5.0-V to 1.8-V, 3.3-V to 1.8-V)).
- What is the recommended power supply configuration for this device?
A good bypass capacitor should be used to prevent power disturbance. For example, a 0.1-μF capacitor is recommended for single supply devices).
- What are the package options available for the SN74LVC1G74RSER?
The device is available in various packages including SM8, US8, X2SON, and UQFN).
