Features and benefits
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Wide supply voltage range from 2.0 to 6.0 V
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CMOS low power dissipation
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High noise immunity
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Unlimited input rise and fall times
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Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
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Inverting outputs
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Input levels:
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For 74HC7540: CMOS level
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For 74HCT7540: TTL level
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Complies with JEDEC standards
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JESD8C (2.7 V to 3.6 V)
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JESD7A (2.0 V to 6.0 V)
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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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Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Parametrics
Type number | Product status | VCC(A) (V) | VCC(B) (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
74HC7540D | Production | n.a. | n.a. | CMOS | ± 7.8 | 11 | 36 | 8 | low | -40~125 | 69 | 45 | SO20 |
74HC7540PW | Production | n.a. | n.a. | CMOS | ± 7.8 | 11 | 36 | 8 | low | -40~125 | 100 | 45 | TSSOP20 |
74HCT7540D | Production | n.a. | n.a. | TTL | ± 6 | 16 | 36 | 8 | low | -40~125 | 69 | 45 | SO20 |
Package
Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
---|---|---|---|---|---|---|---|
74HC7540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_118 | Active | 74HC7540D | 74HC7540D,118 ( 9339 678 60118 ) |
74HC7540PW | TSSOP20 (SOT360-1) | SOT360-1 | SSOP-TSSOP-VSO-WAVE | SOT360-1_118 | Active | 4HC7540 | 74HC7540PWJ ( 9356 912 07118 ) |
74HCT7540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_118 | Active | 74HCT7540D | 74HCT7540D,118 ( 9339 679 00118 ) |
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)) |
---|---|---|---|---|---|---|---|
74HC7540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_112 | Withdrawn / End-of-life | 74HC7540D | 74HC7540D,112 ( 9339 678 60112 ) |
74HCT7540D | SO20 (SOT163-1) | SOT163-1 | WAVE_BG-BD-1 | SOT163-1_112 | Withdrawn / End-of-life | 74HCT7540D | 74HCT7540D,112 ( 9339 679 00112 ) |
Discontinuation information
Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
---|---|---|---|---|---|---|
74HC7540D | 933967860112 | 2021-12-31 | 2022-06-30 | 74HC7540D | ||
74HCT7540D | 933967900112 | 2021-12-31 | 2022-06-30 | 74HCT7540D |
Environmental information
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
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74HC7540D | 74HC7540D,118 | 74HC7540D | week 30, 2004 | ||
74HC7540PW | 74HC7540PWJ | 74HC7540PW | |||
74HCT7540D | 74HCT7540D,118 | 74HCT7540D | week 30, 2004 |
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 |
---|---|---|---|---|---|
74HC7540D | 74HC7540D,112 | 74HC7540D | week 30, 2004 | ||
74HCT7540D | 74HCT7540D,112 | 74HCT7540D | week 30, 2004 |
Documentation (5)
File name | Title | Type | Date |
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74HC_HCT7540 | Octal Schmitt trigger buffer/line driver; 3-state; inverting | Data sheet | 2023-11-09 |
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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Ordering, pricing & availability
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