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Programmable delay timer with oscillator
The 74HC5555 is a precision programmable delay timer which consist of:
24-stage binary counter
integrated oscillator (using external timing components)
retriggerable/non-retriggerable monostable
automatic power-ON reset
output control logic
oscillator control logic
overriding asynchronous master reset (MR).
The 74HC5555 inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Features and benefits
Supply voltage range from 2.0 V to 6.0 V
CMOS input levels
Positive and negative edge triggered
Retriggerable or non-retriggerable
Programmable delay:
minimum: 100 ns
maximum: depends on input frequency and division ratio
Divide-by range of 2 to 224
Direct reset terminates output pulse
Very low power consumption in triggered start mode
3 oscillator operating modes:
RC oscillator
Crystal oscillator
External oscillator
Device is unaffected by variations in temperature and VCC when using an external oscillator
Automatic power-ON reset
Schmitt trigger action on both trigger inputs
Direct drive for a power transistor
High precision due to digital timing
Complies with JEDEC standard no. 7 A
ESD protection:
HBM EIA/JESD22-A114A exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V
Specified from -40 °C to +85 °C and -40 °C to +125 °C
Applications
Motor control
Delay circuits
Precision timing
Domestic appliances
參數(shù)類型
| 型號(hào) | Package name |
|---|---|
| 74HC5555D | SO16 |
封裝
下表中的所有產(chǎn)品型號(hào)均已停產(chǎn) 。
| 型號(hào) | 可訂購的器件編號(hào)，（訂購碼(12NC)） | 狀態(tài) | 標(biāo)示 | 封裝 | 外形圖 | 回流焊/波峰焊 | 包裝 |
|---|---|---|---|---|---|---|---|
| 74HC5555D | 74HC5555D,112 (933998590112) |
Obsolete | 74HC5555D |
SO16 (SOT109-1) |
SOT109-1 |
SO-SOJ-REFLOW
SO-SOJ-WAVE WAVE_BG-BD-1 |
SOT109-1_112 |
| 74HC5555D,118 (933998590118) |
Obsolete | 74HC5555D | SOT109-1_118 |
環(huán)境信息
下表中的所有產(chǎn)品型號(hào)均已停產(chǎn) 。
| 型號(hào) | 可訂購的器件編號(hào) | 化學(xué)成分 | RoHS | RHF指示符 |
|---|---|---|---|---|
| 74HC5555D | 74HC5555D,112 | 74HC5555D |
|
|
| 74HC5555D | 74HC5555D,118 | 74HC5555D |
|
|
Series
文檔 (11)
| 文件名稱 | 標(biāo)題 | 類型 | 日期 |
|---|---|---|---|
| 74HC5555 | Programmable delay timer with oscillator | Data sheet | 2018-07-05 |
| AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
| AN90063 | Questions about package outline drawings | Application note | 2025-03-12 |
| SOT109-1 | 3D model for products with SOT109-1 package | Design support | 2020-01-22 |
| Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
| SO16_SOT109-1_mk | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body | Marcom graphics | 2017-01-28 |
| SOT109-1 | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm body | Package information | 2023-11-07 |
| SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
| HCT_USER_GUIDE | HC/T User Guide | User manual | 1997-10-31 |
| SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
Longevity
The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.
模型
| 文件名稱 | 標(biāo)題 | 類型 | 日期 |
|---|---|---|---|
| SOT109-1 | 3D model for products with SOT109-1 package | Design support | 2020-01-22 |
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.
74HC5555D
Programmable delay timer with oscillator
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