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Click here for more information74HCT74DB
Dual D-type flip-flop with set and reset; positive edge-trigger
74HC74和74HCT74是双路正沿触发D类触发器。它们具有独立数据(nD)、时钟(nCP)、设置(nSD)和复位(nRD)输入,以及补充nQ和nQ输出。nD输入处的数据,满足时钟从低到高转换时的建立和保持时间要求,将被存储到触发器内并显示在nQ输出处。时钟输入的施密特触发器动作使电路高度容许较缓慢的时钟上升时间和下降时间。输入包括箝位二极管,当电压超出VCC时,可使能连接输入的限流电阻。
Alternatives
Features and benefits
- 输入电平:
- 对于74HC74:CMOS电平
- 对于74HCT74:TTL电平
- 对称输出阻抗
- 低功耗
- 高抗噪性
- 平衡的传输延迟
- 指定符合JEDEC标准no. 7A
- ESD保护:
- HBM JESD22-A114F超过2000 V
- MM JESD22-A115-A超过200 V
- 多个封装选项
- 指定温度范围为-40 °C至+85 °C和-40 °C至+125 °C
参数类型
型号 | Product status | Package name |
---|---|---|
74HCT74DB | End of life | SSOP14 |
PCB Symbol, Footprint and 3D Model
Model Name | 描述 |
---|---|
|
封装
下表中的所有产品型号已停产。参见表 停产信息 了解更多信息。
型号 | 可订购的器件编号,(订购码(12NC)) | 状态 | 标示 | 封装 | 外形图 | 回流焊/波峰焊 | 包装 |
---|---|---|---|---|---|---|---|
74HCT74DB | 74HCT74DB,112 (935175180112) |
Obsolete | HCT74 |
SSOP14 (SOT337-1) |
SOT337-1 |
SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE |
Not available |
74HCT74DB,118 (935175180118) |
Obsolete | HCT74 | SOT337-1_118 |
Series
文档 (10)
文件名称 | 标题 | 类型 | 日期 |
---|---|---|---|
74HC_HCT74 | Dual D-type flip-flop with set and reset; positive edge-trigger | Data sheet | 2023-02-09 |
AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
hct74 | 74HCT74 IBIS model | IBIS model | 2022-10-21 |
Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
SSOP14_SOT337-1_mk | plastic, shrink small outline package; 14 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm body | Marcom graphics | 2017-01-28 |
SOT337-1 | plastic, shrink small outline package; 14 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm body | Package information | 2020-04-21 |
SSOP-TSSOP-VSO-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
hc | HC/HCT Spice model | SPICE model | 2022-02-17 |
HCT_USER_GUIDE | HC/T User Guide | User manual | 1997-10-31 |
SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
How does it work?
The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.