Orderable parts
Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
---|---|---|---|---|
74HC390D | 74HC390D,653 | 933714720653 | SOT109-1 | Order product |
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Click here for more informationDual decade ripple counter
The 74HC390; 74HCT390 is a dual 4-bit decade ripple counter divided into four separately clocked sections. The counters have two divide-by-2 sections and two divide-by-5 sections. These sections share an asynchronous master reset input (nMR) and can be used in a BCD decade or bi-quinary configuration. If master reset inputs (1MR and 2MR) are used to simultaneously clear all 8 bits of the counter, a number of counting configurations are possible within one package. The separate clocks (nCP0 and nCP1) of each section allow ripple counter or frequency division applications of divide-by-2, 4, 5, 10, 20, 25, 50 or 100. Each section is triggered by the HIGH-to-LOW transition of the clock inputs (nCP0 and nCP1). For BCD decade operation, the nQ0 output is connected to the nCP1 input of the divide-by-5 section. For bi-quinary decade operation, the nQ3 output is connected to the nCP0 input and nQ0 becomes the decade output. A HIGH on the nMR input overrides the clocks and sets the four outputs LOW. This device features reduced input threshold levels to allow interfacing to TTL logic levels. Inputs also include clamp diodes, this enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Input levels:
For 74HC390: CMOS level
For 74HCT390: TTL level
Two BCD decade or bi-quinary counters
One device can be configured to divide-by-2, 4, 5, 10, 20, 25, 50 or 100
Two master reset inputs to clear each decade counter individually
Supply voltage range from 4.5 V to 5.5 V
High noise immunity
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Complies with JEDEC standard JESD7A (4.5 V to 5.5 V)
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Type number | VCC (V) | Output drive capability (mA) | Logic switching levels | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Package name |
---|---|---|---|---|---|---|---|---|
74HC390D | 2.0 - 6.0 | ± 5.2 | CMOS | 14 | 60 | low | -40~125 | SO16 |
Model Name | Description |
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|
Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
---|---|---|---|---|---|---|---|
74HC390D | 74HC390D,653 (933714720653) |
Active | 74HC390D |
SO16 (SOT109-1) |
SOT109-1 |
SO-SOJ-REFLOW
SO-SOJ-WAVE WAVE_BG-BD-1 |
Not available |
All type numbers in the table below are discontinued.
Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
---|---|---|---|---|---|---|---|
74HC390D | 74HC390D,652 (933714720652) |
Withdrawn / End-of-life | 74HC390D |
SO16 (SOT109-1) |
SOT109-1 |
SO-SOJ-REFLOW
SO-SOJ-WAVE WAVE_BG-BD-1 |
SOT109-1_652 |
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
---|---|---|---|---|
74HC390D | 74HC390D,653 | 74HC390D |
All type numbers in the table below are discontinued.
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
---|---|---|---|---|
74HC390D | 74HC390D,652 | 74HC390D |
File name | Title | Type | Date |
---|---|---|---|
74HC_HCT390 | Dual decade ripple counter | Data sheet | 2024-03-19 |
AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
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 |
74HC390D_Nexperia_Product_Reliability | 74HC390D Nexperia Product Reliability | Quality document | 2024-06-16 |
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 |
If you are in need of design/technical support, let us know and fill in the answer form we'll get back to you shortly.
File name | Title | Type | Date |
---|---|---|---|
SOT109-1 | 3D model for products with SOT109-1 package | Design support | 2020-01-22 |
Model Name | Description |
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|
Type number | Orderable part number | Ordering code (12NC) | Status | Packing | Packing Quantity | Buy online |
---|---|---|---|---|---|---|
74HC390D | 74HC390D,653 | 933714720653 | Active | Not available | 2,500 | Order product |
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