74AHC245; 74AHCT245
Octal bus transceiver; 3-state
The 74AHC245; 74AHCT245 is an 8-bit transceiver with 3-state outputs. The device features an output enable (OE) and send/receive (DIR) for direction control. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.
Features and benefits
Wide supply voltage range from 2.0 V to 5.5 V
Balanced propagation delays
All inputs have Schmitt-trigger action
Overvoltage tolerant inputs to 5.5 V
High noise immunity
CMOS low power dissipation
Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
Input levels:
For 74AHC245: CMOS level
For 74AHCT245: TTL level
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Multiple package options
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Parametrics
| Type number | VCC(A) (V) | VCC(B) (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Nr of bits | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC245BQ | n.a. | n.a. | CMOS | ± 8 | 3.5 | 8 | 60 | low | -40~125 | DHVQFN20 |
| 74AHC245D | n.a. | n.a. | CMOS | ± 8 | 3.5 | 8 | 60 | low | -40~125 | SO20 |
| 74AHC245PW | n.a. | n.a. | CMOS | ± 8 | 3.5 | 8 | 60 | low | -40~125 | TSSOP20 |
| 74AHCT245APW | n.a. | n.a. | TTL | ± 8 | 3.0 | 8 | 60 | low | -40~125 | TSSOP20 |
| 74AHCT245BQ | n.a. | n.a. | TTL | ± 8 | 5.0 | 8 | 60 | low | -40~125 | DHVQFN20 |
| 74AHCT245D | n.a. | n.a. | TTL | ± 8 | 5.0 | 8 | 60 | low | -40~125 | SO20 |
| 74AHCT245PW | n.a. | n.a. | TTL | ± 8 | 5.0 | 8 | 60 | low | -40~125 | TSSOP20 |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| 74AHC245BQ | 74AHC245BQ,115 (935289107115) |
Active | AHC245 |
DHVQFN20 (SOT764-1) |
SOT764-1 | SOT764-1_115 | |
| 74AHC245D | 74AHC245D,118 (935262003118) |
Active | 74AHC245D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
SOT163-1_118 |
| 74AHC245PW | 74AHC245PW,118 (935262005118) |
Active | AHC245 |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
| 74AHCT245APW | 74AHCT245APWJ (935307876118) |
Active | AHT245A |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
| 74AHCT245BQ | 74AHCT245BQ,115 (935289108115) |
Active | AHCT245 |
DHVQFN20 (SOT764-1) |
SOT764-1 | SOT764-1_115 | |
| 74AHCT245D | 74AHCT245D,118 (935261960118) |
Active | 74AHCT245D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
SOT163-1_118 |
| 74AHCT245PW | 74AHCT245PW,118 (935261962118) |
Active | AHCT245 |
TSSOP20 (SOT360-1) |
SOT360-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT360-1_118 |
All type numbers in the table below are discontinued.
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| 74AHC245D | 74AHC245D,112 (935262003112) |
Withdrawn / End-of-life | 74AHC245D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
Not available |
| 74AHCT245D | 74AHCT245D,112 (935261960112) |
Withdrawn / End-of-life | 74AHCT245D |
SO20 (SOT163-1) |
SOT163-1 |
WAVE_BG-BD-1
|
Not available |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| 74AHC245BQ | 74AHC245BQ,115 | 74AHC245BQ |
|
|
| 74AHC245D | 74AHC245D,118 | 74AHC245D |
|
|
| 74AHC245PW | 74AHC245PW,118 | 74AHC245PW |
|
|
| 74AHCT245APW | 74AHCT245APWJ | 74AHCT245APW |
|
|
| 74AHCT245BQ | 74AHCT245BQ,115 | 74AHCT245BQ |
|
|
| 74AHCT245D | 74AHCT245D,118 | 74AHCT245D |
|
|
| 74AHCT245PW | 74AHCT245PW,118 | 74AHCT245PW |
|
|
All type numbers in the table below are discontinued.
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| 74AHC245D | 74AHC245D,112 | 74AHC245D |
|
|
| 74AHCT245D | 74AHCT245D,112 | 74AHCT245D |
|
|
Documentation (15)
| File name | Title | Type | Date |
|---|---|---|---|
| 74AHC_AHCT245 | Octal bus transceiver; 3-state | Data sheet | 2023-09-21 |
| mna174 | Block diagram: 74AHC245D, 74AHC245PW, 74AHCT245D, 74AHCT245PW, 74LV245D, 74LV245DB, 74LV245N, 74LV245PW, 74AHC245D, 74AHC245PW, 74AHCT245D, 74AHCT245PW, 74ALVC245BQ, 74ALVC245D, 74ALVC245PW, 74LVC2245ABQ, 74LVC2245AD, 74LVC2245ADB, 74LVC2245APW, 74LVC245ABQ, 74LVC245ABX, 74LVC245AD, 74LVC245ADB, 74LVC245APW, 74LVCH245ABQ, 74LVCH245ABX, 74LVCH245AD, 74LVCH245ADB, 74LVCH245APW | Block diagram | 2009-11-04 |
| SOT764-1 | 3D model for products with SOT764-1 package | Design support | 2019-10-03 |
| SOT163-1 | 3D model for products with SOT163-1 package | Design support | 2020-01-22 |
| SOT360-1 | 3D model for products with SOT360-1 package | Design support | 2020-01-22 |
| ahc245 | ahc245 IBIS model | IBIS model | 2013-04-08 |
| ahct245 | ahct245 IBIS model | IBIS model | 2013-04-08 |
| Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
| DHVQFN20_SOT764-1_mk | plastic, dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 2.5 mm x 4.5 mm x 0.85 mm body | Marcom graphics | 2017-01-28 |
| TSSOP20_SOT360-1_mk | plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body | Marcom graphics | 2017-01-28 |
| 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 |
| 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 |
| 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 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
Support
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Models
| File name | Title | Type | Date |
|---|---|---|---|
| SOT764-1 | 3D model for products with SOT764-1 package | Design support | 2019-10-03 |
| SOT163-1 | 3D model for products with SOT163-1 package | Design support | 2020-01-22 |
| SOT360-1 | 3D model for products with SOT360-1 package | Design support | 2020-01-22 |
| ahc245 | ahc245 IBIS model | IBIS model | 2013-04-08 |
| ahct245 | ahct245 IBIS model | IBIS model | 2013-04-08 |
Ordering, pricing & availability
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