首页 > 集成电路 IC > SN74AHC1G02DBVR

SN74AHC1G02DBVR

Single 2-input NOR gate, 2-5.5V, 6.5ns, Schmitt inputs, SOT-23-5

15754

有效库存

转到查询

Image for reference only

制造商零件：

SN74AHC1G02DBVR

包装：

SOT-23-5 (2.9 x 1.6 x 1.1 mm, DBV package)

品牌：

产品类别：

集成电路 IC

您可能感兴趣的其他建议.

说明

产品概览

The SN74AHC1G02DBVR from Texas Instruments is a single 2-input positive-NOR gate with 2-5.5V supply, 6.5ns propagation delay, Schmitt-trigger inputs, and +/-8mA output drive in a 5-pin SOT-23 package.

主要规格

Logic Function	2-Input Positive-NOR Gate
电源电压	2V to 5.5V
传播延迟	6.5 ns (max @ 5V)
静态电流	10 uA (max)
Output Drive	+/-8 mA @ 5V
输入类型	Schmitt Trigger (all inputs)
ESD Protection	HBM +/-2000V, CDM +/-1000V
包装	SOT-23-5 (DBV)
工作温度	-40 to +125 C

特点

2V to 5.5V wide supply range
6.5ns max propagation delay at 5V
10uA max quiescent current
Schmitt-trigger inputs for slow edge tolerance
+/-8mA output drive at 5V

应用

Logic glue functions
Signal polarity inversion with NOR
Debounce and signal conditioning
Industrial control logic

产品介绍：SN74AHC1G02DBVR 产品介绍

The SN74AHC1G02DBVR from Texas Instruments is a single 2-input positive-NOR gate from the 74AHC (Advanced High-Speed CMOS) logic family. The device performs the Boolean function Y = A x B (or Y = NOT(A OR B)) in positive logic. The AHC family provides the speed of bipolar logic with the low power consumption of CMOS, operating from a wide 2V to 5.5V supply range. The 6.5ns maximum propagation delay at 5V enables use in high-speed logic applications. A key feature is the Schmitt-trigger action on all inputs, which provides hysteresis that improves noise immunity and allows the device to accept slowly changing input signals without oscillation or excessive supply current. This makes the SN74AHC1G02DBVR particularly useful for interfacing with mechanical switches (debouncing), slow-rise-time signals from RC networks, or noisy signal environments. The +/-8mA output drive at 5V is sufficient for driving multiple CMOS or TTL loads. The 10uA maximum quiescent current minimizes power consumption in battery-powered applications. The tiny SOT-23-5 package (2.9 x 1.6mm) occupies minimal board space, making it ideal for adding single-gate logic functions without dedicating a multi-gate IC. The device supports the extended -40 to +125C temperature range, suitable for automotive and industrial applications.

工作原理：SN74AHC1G02DBVR 工作原理

The SN74AHC1G02DBVR implements a single 2-input NOR gate using CMOS technology. Key subsystems include: (1) NOR Logic – the core logic uses complementary P-channel and N-channel MOSFET networks; the pull-up network (PMOS) connects VCC to Y when both inputs are LOW; the pull-down network (NMOS) connects Y to GND when either input is HIGH; this implements the NOR function Y = NOT(A OR B); (2) Schmitt-Trigger Inputs – each input has a Schmitt-trigger buffer with different switching thresholds for rising and falling edges; the positive-going threshold (VT+) is higher than the negative-going threshold (VT-); the difference (VT+ – VT-) is the hysteresis voltage (typically 0.4V at 5V supply); this hysteresis prevents output oscillation when the input is near the switching threshold; (3) Output Stage – a CMOS push-pull output stage provides rail-to-rail output swing with low output impedance; the +/-8mA drive capability at 5V is determined by the on-resistance of the output MOSFETs; (4) AHC Technology – the Advanced High-Speed CMOS process provides faster switching than standard HC (High-Speed CMOS) while maintaining low static power consumption; the input and output voltage levels are compatible with both CMOS and TTL logic families when operated at 5V.

引脚说明：SN74AHC1G02DBVR 引脚定义和功能

针脚	名称	功能
1	A	输入 A
2	B	输入 B
3	接地	地面
4	Y	Output (Y = NOT(A OR B))
5	VCC	Supply voltage (2V to 5.5V)

Application Scenarios:In which products and applications isSN74AHC1G02DBVR 中古

Active-low reset: NOR gate with one input tied LOW acts as inverter; NOR with one input HIGH acts as always-LOW output
Signal debounce: Schmitt-trigger input accepts slow switch transitions without oscillation for clean logic output
Logic glue: add a single NOR function between MCU and peripheral without using a multi-gate IC
Window comparator: two NOR inputs from comparators detect when signal is outside acceptable range

Alternative Models:What chips are recommended as replacements for SN74AHC1G02DBVR

制造商	部件编号	包装	说明
TI	SN74AHC1G02DCKR	SC-70-5	Smaller SC-70 package
Nexperia	74AHC1G02GW	SOT-353	Pin-compatible equivalent
TI	SN74LVC1G02DBVR	SOT-23-5	LVC version, 1.65-5.5V
TI	SN74AHC1G00DBVR	SOT-23-5	NAND gate (different logic function)

即时报价

SN74AHC1G02DBVR

有效库存

制造商零件：

包装：

品牌：

产品类别：

您可能感兴趣的其他建议.

说明

产品概览

主要规格

特点

应用

推荐部件

有库存：

有库存：

有库存：

有库存：

有库存：

有库存：

有效库存

制造商零件：

包装：

品牌：

产品类别：

您可能感兴趣的其他建议.

说明

产品概览

主要规格

特点

应用

推荐部件

有库存：

有库存：

有库存：

有库存：

有库存：

有库存：

质量保证

1. Authorized & Genuine Sourcing Promise

2. Strict Full-batch Quality Inspection

3. Industry Standard Compliance

4. Professional Reliability Control

5. Traceability Management System

6. After-sales Quality Guarantee

联系我们

发货与付款

1. Payment Terms

2. Shipping & Delivery

3. General Order Rules & Notes

4. Customs & Liability Statement

5. Local Pickup in Shenzhen

Contact Information

服务与包装

Core Services

1. One-stop Sourcing & BOM Support

2. Genuine Product Guarantee & Full-process Quality Inspection

3. Fast Quotation & Order Processing

4. Professional Technical Support

5. Sourcing for Special Components

6. Global Logistics & Document Services

Professional Packaging Standards

1. General Packaging Specifications

2. Classified Professional Packaging

3. Custom Packaging Services

Contact Information

Online Inquiry Form

公司名称

工业