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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HC540D | Production | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | low | -40~125 | 70 | 46 | SO20 |
| 74HC540PW | Production | 2.0 - 6.0 | CMOS | ± 7.8 | 36 | 8 | low | -40~125 | 112 | 39.4 | TSSOP20 |
| 74HCT540D | Production | 4.5 - 5.5 | TTL | ± 6 | 36 | 8 | low | -40~125 | 70 | 46 | SO20 |
| 74HCT540PW | Production | 4.5 - 5.5 | TTL | ± 6 | 36 | 8 | low | -40~125 | 70 | 46 | TSSOP20 |
Package
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| 74HC540D |  SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HC540D | 74HC540D,653 ( 9337 154 90653 ) |
| 74HC540PW |  TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | 74HC540 | 74HC540PWJ ( 9356 912 19118 ) |
| 74HCT540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_653 | Active | 74HCT540D | 74HCT540D,653 ( 9337 156 00653 ) |
| 74HCT540PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | 4HCT540 | 74HCT540PWJ ( 9356 912 11118 ) |
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)) |
|---|---|---|---|---|---|---|---|
| 74HC540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_652 | Withdrawn / End-of-life | 74HC540D | 74HC540D,652 ( 9337 154 90652 ) |
| 74HCT540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_652 | Withdrawn / End-of-life | 74HCT540D | 74HCT540D,652 ( 9337 156 00652 ) |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
|---|---|---|---|---|---|
| 74HC540D | 74HC540D,653 | 74HC540D |  |   | week 30, 2004 |
| 74HC540PW | 74HC540PWJ | 74HC540PW | | | |
| 74HCT540D | 74HCT540D,653 | 74HCT540D | | | week 30, 2004 |
| 74HCT540PW | 74HCT540PWJ | 74HCT540PW | | |
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 |
|---|---|---|---|---|---|
| 74HC540D | 74HC540D,652 | 74HC540D | | | week 30, 2004 |
| 74HCT540D | 74HCT540D,652 | 74HCT540D | | | week 30, 2004 |
Documentation (4)
| File name | Title | Type | Date |
|---|---|---|---|
| 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 |
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Ordering, pricing & availability
Sample
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