Features and benefits
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Supply voltage range from 4.5 V to 5.5 V
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CMOS low power dissipation
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High noise immunity
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Input levels:
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For 74HCT221: TTL level
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Pulse width variance is typically less than ±5%
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Direct reset terminates output pulse
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Schmitt-trigger action on nB inputs
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Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- ESD protection:
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HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
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CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
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Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Parametrics
Type number | Product status | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
---|---|---|---|---|---|---|---|---|---|---|---|
74HCT221D | Production | 4.5 - 5.5 | TTL | ± 4 | 32 | low | -40~125 | 62 | 1.0 | 19 | SO16 |
Package
Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HCT221D | SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | SOT109-1_118 | Active | 74HCT221D | 74HCT221D,118 ( 9337 151 10118 ) |
Discontinuation information
Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
---|---|---|---|---|---|---|
74HCT221D | 933715110112 | 2021-12-31 | 2022-06-30 | 74HCT221D |
Environmental information
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
---|---|---|---|---|---|
74HCT221D | 74HCT221D,118 | 74HCT221D | week 4, 2004 |
Documentation (6)
File name | Title | Type | Date |
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74HCT221 | Dual non-retriggerable monostable multivibrator with reset | Data sheet | 2024-04-04 |
74HCT221D_Nexperia_Product_Reliability | 74HCT221D Nexperia Product Reliability | Quality document | 2023-05-29 |
SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
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 |
Support
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Ordering, pricing & availability
Sample
As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.
Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.