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74HCT245BQ-Q100X
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Product Detailed Parameters
- Description：IC TXRX NON-INVERT 5.5V 20DHVQFN
- Series：74HCT
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- 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：6mA, 6mA
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-VFQFN Exposed Pad
- Supplier Device Package：20-DHVQFN (4.5x2.5)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The Nexperia 74HCT245BQ-Q100X is an octal bus transceiver with 3-state outputs, designed for automotive applications. It operates within a supply voltage range of 4.5 V to 5.5 V and supports TTL input levels. The device features direction control via DIR and output enable via OE. It is qualified to AEC-Q100 Grade 1 standards and functions reliably from -40 °C to +125 °C. Propagation delay is specified at 12 ns maximum under standard conditions.
Feature Summary
- Automotive qualification compliant with AEC-Q100 Grade 1 standards
- Octal bidirectional bus interface with non-inverting 3-state outputs
- TTL-compatible input levels for direct interfacing
- Wide operating temperature range suitable for harsh environments
Applications
- Automotive electronic systems requiring robust data transmission
- Industrial control networks utilizing TTL logic interfaces
- Bidirectional data routing in complex circuit layouts
Procurement Notes
Verify the specific suffix 'X' against official Nexperia documentation to confirm reel packaging specifications. Ensure the DHVQFN20 package variant matches the required PCB footprint. Confirm AEC-Q100 Grade 1 compliance requirements align with the target automotive application standards before finalizing procurement orders.
Selection Notes
Select this component when TTL-level compatibility is required alongside high noise immunity and low power dissipation. The DHVQFN20 package offers space-saving benefits for dense PCB designs. Consider the wide supply voltage tolerance and extended temperature range for reliable operation in demanding automotive or industrial environments.
Part Context
This part belongs to the 74HCT245-Q100 family of octal bus transceivers manufactured by Nexperia. It shares functional similarities with other variants like the 74HCT245PW-Q100J but differs in package type. The BQ designation specifically indicates the DHVQFN20 leadless package configuration.
Replacement Considerations
The 74HCT245PW-Q100J serves as a pin-compatible alternative using a TSSOP20 package. Verify thermal performance and physical dimensions when substituting packages. Ensure electrical characteristics remain consistent across different package types for seamless integration.
