SN74HCS74QPWRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HCS74QPWRQ1 is an automotive-qualified dual D-type positive-edge-triggered flip-flop with Schmitt-trigger inputs, clear, and preset, from Texas Instruments. It supports operating frequencies up to 45 MHz and supply voltages of 2 V to 5.5 V. Packaged in a 14-pin TSSOP, it is AEC-Q100 qualified for automotive applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCS74QPWRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive qualification for use in vehicle electronics and safety systems
- Schmitt-trigger inputs improve noise immunity in electrically noisy automotive environments
- Maximum clock frequency up to 45 MHz at 50 pF load capacitance
- Wide supply voltage range: 2 V to 5.5 V covering 3.3 V and 5 V systems
- Active-low asynchronous clear and preset for deterministic initialization
Applications
The SN74HCS74QPWRQ1 is designed for automotive ECU state machines, body control module logic, and infotainment timing circuits requiring AEC-Q100 reliability. Its Schmitt-trigger inputs make it ideal for debouncing signals from mechanical switches and sensors in noisy vehicle environments. It also suits ADAS control logic and general-purpose flip-flop applications in industrial designs.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2019-06-27 |
| YTEOL | 15 |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 45000000Hz |
| Max I(ol) | 0.0078A |
| Number of Bits | 1 |
| Number of Functions | 2 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.002mA |
| Prop. Delay@Nom-Sup | 19ns |
| Propagation Delay (tpd) | 42ns |
| Schmitt Trigger | YES |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 45MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCS74QPWRQ1:
D Flip-Flop, HC/UH Series, 2-Func, Negative Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 2-Bit, Complementary Output, CMOS, PDSO14
D Flip-Flop, HC/UH Series, 2-Func, Negative Edge Triggered, 1-Bit, Complementary Output, CMOS, PDSO14
Frequently Asked Questions
What makes the SN74HCS74QPWRQ1 suitable for automotive applications?
The device is AEC-Q100 qualified, the industry standard for automotive component reliability. It also features Schmitt-trigger inputs that provide hysteresis, significantly improving noise immunity in harsh automotive electrical environments where ground bounce and switching transients are common.
What is the maximum clock frequency of the SN74HCS74QPWRQ1?
The SN74HCS74QPWRQ1 supports clock frequencies up to 45 MHz when driving a 50 pF load at nominal supply. This frequency capability is sufficient for most automotive digital logic, state machines, and data synchronization circuits operating within ECU and body control module designs.
Does the SN74HCS74QPWRQ1 have asynchronous control inputs?
Yes. Each flip-flop has independent active-low asynchronous clear and preset (pre) inputs that override the clock, allowing immediate forced reset or set of the output. This is critical for power-on reset sequences and safe-state initialization in automotive safety systems.
What supply voltage range does the SN74HCS74QPWRQ1 support?
It operates from 2 V to 5.5 V, covering 3.3 V and 5 V logic supply rails common in automotive microcontrollers and ECU designs. The wide range also allows mixed-voltage interfacing in systems that span multiple logic families.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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