SN74HCT02DIn StockTexas Instruments
The SN74HCT02D is a electronic component from Texas Instruments, available for purchase on FindMyChip with competitive pricing and worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- —
- Datasheet
- N/A
- Price
- From $0.5500(MOQ 1)
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Specifications
| Supply Voltage | 4.5 to 5.5V |
| Number of Gates | 4 |
| Inputs per Gate | 2 |
| Propagation Delay (typ) | 5.2ns |
| Operating Temperature | -40 to +85°C |
| Output Drive Current (IOL) | 4mA |
| Logic Family | HCT |
| Package | SOIC-14 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCT02D:
Same quad 2-input NOR gate function in SOIC-14; HC series uses standard CMOS input thresholds (not TTL-compatible), suitable for pure CMOS 5V systems.
Frequently Asked Questions
SN74HCT02D 的供电电压范围是多少？
SN74HCT02D 的供电电压范围为 4.5V 至 5.5V，标准工作电压为 5V。HCT 系列专为与 TTL 逻辑电平兼容的 CMOS 应用设计，输入高电平阈值约 2.0V，与 TTL 输出完全兼容。
SN74HCT02D 与 SN74HC02D 有何区别？
SN74HCT02D（HCT 系列）与 SN74HC02D（HC 系列）的核心区别在于输入电平兼容性：HCT 的输入高电平阈值为 2.0V，与 TTL 完全兼容；HC 系列阈值约为 3.15V（5V 下），不适合直接驱动 TTL 输出。若需将 5V TTL 系统与 CMOS 逻辑互联，应优先选用 HCT 系列。
SN74HCT02D 适合哪些应用场景？
SN74HCT02D 适用于数字逻辑控制、总线方向控制、微控制器外围接口和工业自动化中的胶合逻辑电路。其 SOIC-14 封装便于 SMT 贴片，-40°C 至 +85°C 工业温度范围支持恶劣环境应用。
SN74HCT02D 的封装类型和引脚数是多少？
SN74HCT02D 采用 SOIC-14 表贴封装，共 14 个引脚，包含 4 个独立的 2 输入 NOR 门。引脚分配：1–13 为逻辑输入/输出引脚（A、B 输入，Y 输出），14 脚为 VCC，7 脚为 GND。
SN74HCT02D 是否符合 RoHS 要求，最小起订量是多少？
是的，SN74HCT02D 符合 RoHS 标准，为无铅产品。最小起订量（MOQ）为 1 件，当前单价 $0.92（1 件），批量 92 件以上可降至 $0.55/件，支持全球发货。
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9231 | $0.92 |
| 6+ | $0.7693 | $4.62 |
| 20+ | $0.5539 | $11.08 |
| 92+ | $0.5500 | $50.60 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”