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74AHC245PW-Q100J

IC TXRX 2V/5.5V 20-TSSOP

Part Number: 74AHC245PW-Q100J

Manufacturer: Nexperia USA Inc.

Category: Buffers, Drivers, Receivers, Transceivers

Package: 20-TSSOP (0.173", 4.40mm Width)

Datasheet:: 74AHC245PW-Q100J.pdf

Description: IC TXRX 2V/5.5V 20-TSSOP

Select Quantity Stock: 2,248

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Qty.	Unit Price	Ext. Price
2500+	$0.10188	$254.70
5000+	$0.09898	$494.90
7500+	$0.09753	$731.48
12500+	$0.09592	$1199.00
17500+	$0.09498	$1662.15
25000+	$0.09408	$2352.00

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

74AHC245PW-Q100J Automotive 8-Bit Bidirectional Bus Transceiver with 3-State Outputs

A comprehensive technical overview of the 74AHC245PW-Q100J, an AEC-Q100 qualified 8-bit bidirectional bus transceiver from Nexperia featuring non-inverting 3-state bus-compatible outputs, 2.0V to 5.5V wide supply voltage range, 8mA drive capability, and Schmitt-trigger inputs for enhanced noise immunity. Covers device function, core features, electrical specifications, 20-lead TSSOP package, pin configuration, typical applications, and replacement selection guidance.

Nexperia 20-TSSOP (4.40mm × 6.50mm) 2.0V to 5.5V

Device Classification 8-Bit Bidirectional Bus Transceiver with 3-State Outputs

Part Number: 74AHC245PW-Q100J

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C

PRODUCT OVERVIEW

What Is the 74AHC245PW-Q100J?

74AHC245PW-Q100J is an AEC-Q100 qualified 8-bit bidirectional bus transceiver from Nexperia featuring non-inverting 3-state bus-compatible outputs in both send and receive directions.[reference:0][reference:1] The device is designed for asynchronous two-way communication between data buses and operates over a wide supply voltage range of 2.0V to 5.5V.[reference:2][reference:3]

The 74AHC245PW-Q100J features Schmitt-trigger inputs for enhanced noise immunity, making it suitable for harsh automotive environments.[reference:4][reference:5] The device provides 8mA source and sink current capability and delivers a typical propagation delay of 5ns at 5V with a 50pF load.[reference:6] The quiescent supply current is typically 80µA.[reference:7]

The device is AEC-Q100 qualified for automotive applications and is available in a 20-pin TSSOP package with a 4.40mm × 6.50mm body size.[reference:8][reference:9] Rated for operation from –40°C to +125°C, the device is RoHS compliant, REACH unaffected, and in active production.[reference:10][reference:11] The device is supplied in tape-and-reel packaging with 2,500 units per reel.[reference:12]

AEC-Q100 Qualified Automotive-grade qualification with operating temperature range of –40°C to +125°C for reliable performance in automotive applications.[reference:13]

Wide Supply Voltage Range 2.0V to 5.5V supply voltage with Schmitt-trigger inputs for enhanced noise immunity.[reference:14]

8mA Drive Capability 8mA source and sink current with 5ns typical propagation delay at 5V, 50pF load.[reference:15][reference:16]

DEVICE HIGHLIGHTS

Key Features and Benefits of 74AHC245PW-Q100J

AEC-Q100 Qualified for Automotive

Device temperature grade 1: –40°C to 125°C, making it suitable for automotive applications requiring robust performance in harsh environments.[reference:17]

Bidirectional Data Flow

Supports asynchronous two-way communication between data buses with non-inverting 3-state bus-compatible outputs in both send and receive directions.[reference:18]

High-Speed Performance

Typical propagation delay of 5ns at 5V with 50pF load, enabling high-speed data transfer in automotive and industrial applications.[reference:19]

Wide Operating Voltage Range

Operates from 2.0V to 5.5V, accommodating a broad spectrum of applications and providing flexibility in mixed-voltage systems.[reference:20]

Schmitt-Trigger Inputs

Schmitt-trigger inputs provide enhanced noise immunity, improving signal integrity in electrically noisy automotive environments.[reference:21]

Compact 20-Lead TSSOP Package

Available in a 20-lead TSSOP package with a 4.40mm × 6.50mm footprint, ideal for space-constrained automotive designs.[reference:22]

REFERENCE DATA

Technical Specifications for 74AHC245PW-Q100J

Part Number	74AHC245PW-Q100J	Manufacturer	Nexperia
Device Type	8-Bit Bidirectional Bus Transceiver	Logic Type	Transceiver, Non-Inverting[reference:23]
Supply Voltage Range	2.0V to 5.5V[reference:24]	Number of Elements	1[reference:25]
Bits per Element	8[reference:26]	Output Type	3-State[reference:27]
Input Type	Schmitt Trigger[reference:28]	Channel Type	Bidirectional[reference:29]
Output Current (High)	8mA[reference:30]	Output Current (Low)	8mA[reference:31]
Propagation Delay (Typical)	5ns @ 5V, 50pF[reference:32]	Quiescent Supply Current	80µA[reference:33]
Package / Case	20-TSSOP (0.173", 4.40mm Width)[reference:34]	Supplier Device Package	20-TSSOP[reference:35]
Package Body Size	4.40mm × 6.50mm	Pin Count	20
Mounting Type	Surface Mount[reference:36]	Operating Temperature	-40°C to +125°C[reference:37]
AEC-Q100 Qualification	Yes – Grade 1[reference:38]	Series	74AHC[reference:39]
Features	Output Enable, Level Shifting[reference:40]	Product Status	Active[reference:41]
RoHS	ROHS3 Compliant[reference:42]	REACH Status	REACH Unaffected[reference:43]
Moisture Sensitivity Level	MSL 1 – Unlimited[reference:44]	ECCN	EAR99[reference:45]
Packaging	Tape & Reel (2,500 per Reel)[reference:46]	Grade	Automotive[reference:47]

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for 74AHC245PW-Q100J

Power Supply & Signal Direction Control

The 74AHC245PW-Q100J is an 8-bit bidirectional bus transceiver with 3-state outputs:

Supply Voltage: Operates from 2.0V to 5.5V, providing flexibility in mixed-voltage systems[reference:48]
Direction Control: DIR pin controls the direction of data flow (A-to-B or B-to-A)
Output Enable: OE pin enables or disables the outputs (3-state)[reference:49]
Schmitt-Trigger Inputs: Provide enhanced noise immunity for robust operation in noisy environments[reference:50]
Level Shifting: Supports level shifting between different voltage domains[reference:51]

PCB and System-Level Guidance

Bus transceiver performance depends on layout and system design:

Decoupling Capacitors: Place a 0.1µF ceramic capacitor close to the V_CC pin for stable operation
Unused Inputs: Tie unused inputs to V_CC or GND to prevent floating inputs
Bus Termination: Consider series termination resistors for high-speed bus applications
PCB Layout: Keep bus traces short and matched for improved signal integrity
Verify the recommended PCB footprint from the official datasheet prior to production

20-LEAD TSSOP (4.40mm × 6.50mm)

Pin Configuration Reference for 74AHC245PW-Q100J

74AHC245

TSSOP TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The TSSOP package has 20 pins with a 4.40mm × 6.50mm body size.[reference:52]

1 DIR Direction Control - High = A-to-B, Low = B-to-A

2 A1 Port A I/O - Channel 1

3 A2 Port A I/O - Channel 2

4 A3 Port A I/O - Channel 3

5 A4 Port A I/O - Channel 4

6 A5 Port A I/O - Channel 5

7 A6 Port A I/O - Channel 6

8 A7 Port A I/O - Channel 7

9 A8 Port A I/O - Channel 8

10 GND Ground

11 B8 Port B I/O - Channel 8

12 B7 Port B I/O - Channel 7

13 B6 Port B I/O - Channel 6

14 B5 Port B I/O - Channel 5

15 B4 Port B I/O - Channel 4

16 B3 Port B I/O - Channel 3

17 B2 Port B I/O - Channel 2

18 B1 Port B I/O - Channel 1

19 V_CC Supply Voltage - 2.0V to 5.5V

20 OE Output Enable - Low = Outputs Enabled, High = 3-State

APPLICATION AREAS

Typical Applications for 74AHC245PW-Q100J

Automotive Electronic Control Units (ECUs)

AEC-Q100 qualified for data bus interfacing in automotive ECUs, body control modules, and powertrain systems.[reference:53]

MCU-to-Peripheral Interfacing

Bidirectional communication between microcontrollers and peripheral devices in automotive and industrial systems.[reference:54]

Industrial Control Systems

Data bus interfacing in industrial automation, PLCs, and control systems requiring robust noise immunity.

Level Shifting Applications

Level shifting between 3.3V and 5V systems with Schmitt-trigger inputs for enhanced noise immunity.[reference:55]

Automotive Lighting Systems

Bus interfacing for automotive lighting control modules requiring robust automotive-grade components.

Mixed-Voltage Digital Buses

Enables communication between devices operating at different logic levels in mixed-voltage digital bus systems.[reference:56]

REPLACEMENT GUIDANCE

Selecting an Alternative for 74AHC245PW-Q100J

A replacement for the 74AHC245PW-Q100J should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Nexperia product pages and datasheets.

Channels: 8-bit bidirectional

Supply voltage: 2.0V–5.5V

Output current: ±8mA

Input type: Schmitt trigger

Package: 20-TSSOP

Temperature range: –40°C to 125°C (AEC-Q100 Grade 1)

Qualification: AEC-Q100

Output type: 3-State

Family alternatives (same function, different package or grade):

Part Number	Package	Qualification	Packaging	Carrier Quantity
74AHC245PW-Q100J	20-TSSOP	AEC-Q100 Grade 1	Tape & Reel	2,500[reference:57]
74AHC245D-Q100J	20-SOIC	AEC-Q100 Grade 1	Tape & Reel	2,000
74AHC245BQ-Q100J	20-DHVQFN (4.50mm × 2.50mm)	AEC-Q100 Grade 1	Tape & Reel	3,000

All alternative part numbers listed above are documented in the official Nexperia product pages. The 74AHC245PW-Q100J is the AEC-Q100 qualified automotive-grade version in a 20-TSSOP package with tape-and-reel packaging (2,500 units per reel). For the same function in a SOIC package, consider 74AHC245D-Q100J. For a smaller QFN package option, consider 74AHC245BQ-Q100J. Select based on package and PCB footprint requirements.

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MANUFACTURER INFORMATION

Nexperia

The 74AHC245 (74AHC245PW-Q100J) belongs to the 74AHC-Q100 family of 8-bit bidirectional bus transceivers from Nexperia. The device features non-inverting 3-state bus-compatible outputs in both send and receive directions and is AEC-Q100 qualified for automotive applications.[reference:58] The 74AHC245-Q100 family is widely used in automotive ECUs, body control modules, industrial control systems, and mixed-voltage bus applications.[reference:59]

SUPPLIED BY

Haishengye Electronics

Haishengye Electronics provides electronic component stock supply, BOM sourcing, quotation support, and quality inspection services for 74AHC245PW-Q100J and related devices.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: 74AHC245PW-Q100J

Manufacturer: Nexperia USA Inc.

Package: 20-TSSOP (0.173", 4.40mm Width)

Series: 74AHC

Package/Case: 20-TSSOP (0.173", 4.40mm Width)

Packaging: Tape & Reel (TR)

Product Status: Active

Logic Type: Transceiver, Non-Inverting

Number of Elements: 1

Number of Bits per Element: 8

Input Type: -

Output Type: 3-State

Current - Output High, Low: 8mA, 8mA

Voltage - Supply: 2V ~ 5.5V

Operating Temperature: -40°C ~ 125°C (TA)

Grade: Automotive

Qualification: AEC-Q100

Mounting Type: Surface Mount

Supplier Device Package: 20-TSSOP

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Part Number: 74AHC245PW-Q100J

Manufacturer: Nexperia USA Inc.

Package: 20-TSSOP (0.173", 4.40mm Width)

Category: Buffers, Drivers, Receivers, Transceivers

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