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 74HC273: CMOS level
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For 74HCT273: TTL level
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Common clock and master reset
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Eight positive edge-triggered D-type flip-flops
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ESD protection:
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HBM JESD22-A114F exceeds 2000 V
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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) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
---|---|---|---|---|---|---|---|---|---|---|---|---|
74HC273BQ | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 78 | 9.4 | 50 | DHVQFN20 |
74HC273D | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 85 | 27.5 | 61 | SO20 |
74HC273PW | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 100 | 4.6 | 44.9 | TSSOP20 |
74HCT273BQ | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 78 | 9.4 | 50 | DHVQFN20 |
74HCT273D | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 85 | 27.5 | 61 | SO20 |
74HCT273PW | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 100 | 4.6 | 44.9 | TSSOP20 |
Package
Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HC273BQ | DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | HC273BQ | 74HC273BQ,115 ( 9352 745 87115 ) | |
74HC273D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HC273D | 74HC273D,653 ( 9337 154 40653 ) |
74HC273PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | HC273 | 74HC273PW,118 ( 9351 858 30118 ) |
74HCT273BQ | DHVQFN20 (SOT764-1) | SOT764-1 | SOT764-1_115 | Active | HCT273BQ | 74HCT273BQ,115 ( 9352 745 88115 ) | |
74HCT273D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HCT273D | 74HCT273D,653 ( 9337 155 50653 ) |
74HCT273PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | HCT273 | 74HCT273PW,118 ( 9351 858 20118 ) |
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)) |
---|---|---|---|---|---|---|---|
74HC273D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_652 | Withdrawn / End-of-life | 74HC273D | 74HC273D,652 ( 9337 154 40652 ) |
74HC273PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_112 | Withdrawn / End-of-life | HC273 | 74HC273PW,112 ( 9351 858 30112 ) |
74HCT273D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_652 | Withdrawn / End-of-life | 74HCT273D | 74HCT273D,652 ( 9337 155 50652 ) |
Discontinuation information
Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
---|---|---|---|---|---|---|
74HC273D | 933715440652 | 2021-12-31 | 2022-06-30 | 74HC273D | ||
74HC273PW | 935185830112 | 2021-12-31 | 2022-06-30 | 74HC273PW | ||
74HCT273D | 933715550652 | 2021-12-31 | 2022-06-30 | 74HCT273D | ||
74HCT273PW | 935185820112 | 2021-12-31 | 2022-06-30 | 74HCT273PW |
Environmental information
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
---|---|---|---|---|---|
74HC273BQ | 74HC273BQ,115 | 74HC273BQ | Always Pb-free | ||
74HC273D | 74HC273D,653 | 74HC273D | week 30, 2004 | ||
74HC273PW | 74HC273PW,118 | 74HC273PW | week 7, 2005 | ||
74HCT273BQ | 74HCT273BQ,115 | 74HCT273BQ | Always Pb-free | ||
74HCT273D | 74HCT273D,653 | 74HCT273D | week 30, 2004 | ||
74HCT273PW | 74HCT273PW,118 | 74HCT273PW | 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 |
---|---|---|---|---|---|
74HC273D | 74HC273D,652 | 74HC273D | week 30, 2004 | ||
74HC273PW | 74HC273PW,112 | 74HC273PW | week 7, 2005 | ||
74HCT273D | 74HCT273D,652 | 74HCT273D | week 30, 2004 |
Documentation (9)
File name | Title | Type | Date |
---|---|---|---|
74HC_HCT273 | Octal D-type flip-flop with reset; positive-edge trigger | Data sheet | 2021-09-06 |
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
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Models
File name | Title | Type | Date |
---|---|---|---|
hc | HC/HCT Spice model | SPICE model | 2022-02-17 |
Ordering, pricing & availability
Sample
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