Features
- Complies with JEDEC standard no. 7A
- Input levels:
- For 74HC42: CMOS level
- Mutually exclusive outputs
- 1-of-8 demultiplexing capability
- Outputs disabled for input codes above nine
-
ESD protection:
- HBM JESD22-A114F exceeds 2000 V
- MM JESD22-A115-A exceeds 200 V
- Specified from -40 °C to +85 °C and -40 °C to +125 °C
Target applications
- Driving LED displays
- Driving incandescent displays
- Driving fluorescent displays
- Driving LCD displays
- Driving gas discharge displays
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
74HC42D | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 17 | low | -40~125 | 73 | 1.1 | 31 | SO16 |
Package
Type number | Package | Outline version | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HC42D | ![]() SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC | Active | 74HC42D | 74HC42D,653 ( 9337 148 60653 ) |
Bulk Pack, CECC | Active | 74HC42D | 74HC42D,652 ( 9337 148 60652 ) |
Quality, reliability & chemical content
Type number | Orderable part number | Chemical content | RoHS / RHF | Leadfree conversion date | EFR | IFR | MTBF (hour) | MSL | MSL leadfree |
---|---|---|---|---|---|---|---|---|---|
74HC42D | 74HC42D,653 | 74HC42D | ![]() ![]() | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
74HC42D | 74HC42D,652 | 74HC42D | ![]() ![]() | week 6, 2004 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
Documentation (8)
File name | Title | Type | Date |
---|---|---|---|
74HC42 | BCD to decimal decoder (1-of-10) | Data sheet | 2017-03-17 |
AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
HCT_USER_GUIDE | HC/T User Guide | User manual | 1997-10-31 |
SOT109-1_431 | SO16; Reel sulfur barrier pack, SMD, 13" Q1/T1 standard product orientation Orderable part number ending ,431 or Z Ordering code (12NC) ending 431 | Packing | 2016-08-25 |
SOT109-1_118 | SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 | Packing | 2013-04-24 |
SOT109-1 | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body | Outline drawing | 2018-10-18 |
SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
Support
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Ordering, pricing & availability
Sample
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