Features and benefits
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Wide supply voltage range from 2.0 V to 5.5 V
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Balanced propagation delays
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All inputs have Schmitt-trigger action
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Overvoltage tolerant inputs to 5.5 V
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High noise immunity
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CMOS low power dissipation
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8-bit serial-in, parallel-out shift register with storage
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Independent direct overriding clears on shift and storage registers
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Independent clocks for shift and storage registers
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Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
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Input levels:
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For 74AHC594: CMOS level
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For 74AHCT594: TTL level
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ESD protection:
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HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
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CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 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
Applications
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Serial-to parallel data conversion
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Remote control holding register
Parametrics
| Type number | Product status | VCC (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) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC594BQ | Production | 2.0 - 5.5 | CMOS | ± 8 | 4.1 | 160 | 8 | low | -40~125 | 91 | 12.3 | 60 | DHVQFN16 |
| 74AHC594D | Production | 2.0 - 5.5 | CMOS | ± 8 | 4.1 | 160 | 8 | low | -40~125 | 90 | 8.6 | 49 | SO16 |
| 74AHC594PW | Production | 2.0 - 5.5 | CMOS | ± 8 | 4.1 | 160 | 8 | low | -40~125 | 123 | 4.1 | 52.2 | TSSOP16 |
| 74AHCT594BQ | Production | 4.5 - 5.5 | TTL | ± 8 | 3.8 | 160 | 8 | low | -40~125 | 91 | 12.3 | 60 | DHVQFN16 |
| 74AHCT594D | Production | 4.5 - 5.5 | TTL | ± 8 | 3.8 | 160 | 8 | low | -40~125 | 90 | 8.6 | 49 | SO16 |
| 74AHCT594PW | Production | 4.5 - 5.5 | TTL | ± 8 | 3.8 | 160 | 8 | low | -40~125 | 123 | 4.1 | 52.2 | TSSOP16 |
Package
| Type number | Package | Package information | Reflow-/Wave soldering | Packing | Status | Marking | Orderable part number, (Ordering code (12NC)) |
|---|---|---|---|---|---|---|---|
| 74AHC594BQ |  DHVQFN16 (SOT763-1) | SOT763-1 | SOT763-1_115 | Active | AHC594 | 74AHC594BQ,115 ( 9352 820 22115 ) | |
| 74AHC594D |  SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | SOT109-1_118 | Active | 74AHC594D | 74AHC594D,118 ( 9352 820 18118 ) |
| 74AHC594PW |  TSSOP16 (SOT403-1) | SOT403-1 | SSOP-TSSOP-VSO-WAVE | SOT403-1_118 | Active | AHC594 | 74AHC594PW,118 ( 9352 820 21118 ) |
| 74AHCT594BQ | DHVQFN16 (SOT763-1) | SOT763-1 | SOT763-1_115 | Active | ACT594 | 74AHCT594BQ,115 ( 9352 820 17115 ) | |
| 74AHCT594D | SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | SOT109-1_118 | Active | 74AHCT594D | 74AHCT594D,118 ( 9352 820 14118 ) |
| 74AHCT594PW | TSSOP16 (SOT403-1) | SOT403-1 | SSOP-TSSOP-VSO-WAVE | SOT403-1_118 | Active | AHCT594 | 74AHCT594PW,118 ( 9352 820 16118 ) |
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)) |
|---|---|---|---|---|---|---|---|
| 74AHC594PW | TSSOP16 (SOT403-1) | SOT403-1 | SSOP-TSSOP-VSO-WAVE | SOT403-1_112 | Withdrawn / End-of-life | AHC594 | 74AHC594PW,112 ( 9352 820 21112 ) |
Discontinuation information
| Type number | Orderable part number, (Ordering code (12NC)) | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
|---|---|---|---|---|---|---|
| 74AHC594D | 935282018112 | 2021-12-31 | 2022-06-30 | 74AHC594D | ||
| 74AHC594PW | 935282021112 | 2021-12-31 | 2022-06-30 | 74AHC594PW | ||
| 74AHCT594D | 935282014112 | 2021-12-31 | 2022-06-30 | 74AHCT594D | ||
| 74AHCT594PW | 935282016112 | 2021-12-31 | 2022-06-30 | 74AHCT594PW |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator | Leadfree conversion date |
|---|---|---|---|---|---|
| 74AHC594BQ | 74AHC594BQ,115 | 74AHC594BQ |  |   | Always Pb-free |
| 74AHC594D | 74AHC594D,118 | 74AHC594D | | | Always Pb-free |
| 74AHC594PW | 74AHC594PW,118 | 74AHC594PW | | | Always Pb-free |
| 74AHCT594BQ | 74AHCT594BQ,115 | 74AHCT594BQ | | | Always Pb-free |
| 74AHCT594D | 74AHCT594D,118 | 74AHCT594D | | | Always Pb-free |
| 74AHCT594PW | 74AHCT594PW,118 | 74AHCT594PW | | | Always Pb-free |
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 |
|---|---|---|---|---|---|
| 74AHC594PW | 74AHC594PW,112 | 74AHC594PW | | | Always Pb-free |
Documentation (10)
| File name | Title | Type | Date |
|---|---|---|---|
| 74AHC_AHCT594 | 8-bit shift register with output register | Data sheet | 2023-10-09 |
| ahct594 | ahct594 IBIS model | IBIS model | 2013-04-07 |
| ahc594 | ahc594 IBIS model | IBIS model | 2013-04-07 |
| SOT763-1 | plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm body | Package information | 2023-05-11 |
| SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
| SOT109-1 | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm body | Package information | 2023-11-07 |
| SOT403-1 | plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm body | Package information | 2023-11-08 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
Support
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Ordering, pricing & availability
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