Features and benefits
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Wide supply voltage range from 2.0 V to 6.0 V
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CMOS low power dissipation
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High noise immunity
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Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
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Complies with JEDEC standards:
- JESD8C (2.7 V to 3.6 V)
- JESD7A (2.0 V to 6.0 V)
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Input levels:
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For 74HC240: CMOS level
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For 74HCT240: TTL level
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Inverting 3-state outputs
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ESD protection:
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HBM JESD22-A114F exceeds 2 kV
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MM JESD22-A115-A exceeds 200 V
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Multiple package options
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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) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
---|---|---|---|---|---|---|---|---|---|---|---|
74HC240BQ | Production | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | low | -40~125 | 78 | 50 | DHVQFN20 |
74HC240D | Production | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | low | -40~125 | 85 | 61 | SO20 |
74HC240PW | Production | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | low | -40~125 | 100 | 44.7 | TSSOP20 |
74HCT240BQ | Production | 4.5 - 5.5 | TTL | ± 6 | 36 | 8 | low | -40~125 | 78 | 50 | DHVQFN20 |
74HCT240D | Production | 4.5 - 5.5 | TTL | ± 6 | 36 | 8 | low | -40~125 | 85 | 61 | SO20 |
74HCT240PW | Production | 4.5 - 5.5 | TTL | ± 6 | 36 | 8 | low | -40~125 | 100 | 44.7 | TSSOP20 |
Package
Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HC240BQ | ![]() DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | HC240BQ | 74HC240BQ,115 ( 9352 836 83115 ) | |
74HC240D | ![]() SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HC240D | 74HC240D,653 ( 9337 134 40653 ) |
74HC240PW | ![]() TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | HC240 | 74HC240PW,118 ( 9351 858 10118 ) |
74HCT240BQ | ![]() DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | HCT240 | 74HCT240BQ,115 ( 9352 836 84115 ) | |
74HCT240D | ![]() SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HCT240D | 74HCT240D,653 ( 9337 134 50653 ) |
74HCT240PW | ![]() TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | HCT240 | 74HCT240PW,118 ( 9351 895 70118 ) |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HC240PW | ![]() TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_112 | Withdrawn / End-of-life | HC240 | 74HC240PW,112 ( 9351 858 10112 ) |
Discontinuation information
Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
---|---|---|---|---|---|---|
74HC240D | 933713440652 | 2021-12-31 | 2022-06-30 | 74HC240D | ||
74HC240PW | 935185810112 | 2021-12-31 | 2022-06-30 | 74HC240PW | ||
74HCT240D | 933713450652 | 2021-12-31 | 2022-06-30 | 74HCT240D | ||
74HCT240PW | 935189570112 | 2021-12-31 | 2022-06-30 | 74HCT240PW |
Environmental information
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
---|---|---|---|---|---|
74HC240BQ | 74HC240BQ,115 | 74HC240BQ | ![]() | Always Pb-free | |
74HC240D | 74HC240D,653 | 74HC240D | ![]() | week 27, 2004 | |
74HC240PW | 74HC240PW,118 | 74HC240PW | ![]() | week 7, 2005 | |
74HCT240BQ | 74HCT240BQ,115 | 74HCT240BQ | ![]() | Always Pb-free | |
74HCT240D | 74HCT240D,653 | 74HCT240D | ![]() | week 30, 2004 | |
74HCT240PW | 74HCT240PW,118 | 74HCT240PW | ![]() | week 7, 2005 |
The variants in the table below are discontinued. See the table Discontinuation information for more information.
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
---|---|---|---|---|---|
74HC240PW | 74HC240PW,112 | 74HC240PW | ![]() | week 7, 2005 |
Documentation (9)
File name | Title | Type | Date |
---|---|---|---|
74HC_HCT240 | Octal buffer/line driver; 3-state; inverting | Data sheet | 2021-09-03 |
AN11044 | Pin FMEA 74HC/74HCT family | Application note | 2019-01-09 |
hc | HC/HCT Spice model | SPICE model | 2022-02-17 |
HCT_USER_GUIDE | HC/T User Guide | User manual | 1997-10-31 |
SOT764-1 | plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm body | Package information | 2022-06-21 |
SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
SOT360-1 | plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body | Package information | 2022-06-21 |
SOT163-1 | plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body | Package information | 2022-06-20 |
WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
Support
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.
Models
File name | Title | Type | Date |
---|---|---|---|
hc | HC/HCT Spice model | SPICE model | 2022-02-17 |
Ordering, pricing & availability
Sample
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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.