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Nexperia USA Inc. 74LV164BQ-Q100X
- Part No.:
- 74LV164BQ-Q100X
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Shift Registers
- Package:
- 14-VFQFN Exposed Pad
- Datasheet:
-
74LV164BQ-Q100X.pdf
- Description:
- IC SHIFT REGISTER 8BIT 14DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,008
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Product details
Overview
74LV164BQ-Q100 from Nexperia is an AEC-Q100 Grade 1 qualified 8-bit serial-in/parallel-out shift register with dual gated data inputs (DSA/DSB), asynchronous master reset (MR), and edge-triggered clock (CP). It operates from 1.0 V to 5.5 V, supports TTL-level inputs at 2.7–3.6 V, and delivers Q0–Q7 outputs with propagation delay as low as 12 ns at 3.3 V/15 pF - used in automotive body control modules for LED matrix expansion and GPIO pin multiplication.
For engineers reviewing the 74LV164BQ-Q100 datasheet, 74LV164BQ-Q100 pinout, 74LV164BQ-Q100 application, or 74LV164BQ-Q100 equivalent, key selection considerations include its dual-input gating logic, -40 °C to +125 °C automotive temperature range, DHVQFN14 package with side-wettable flanks for AOI, and guaranteed functionality down to 1.0 V supply voltage.
Technical Context
This shift register implements a synchronous 8-stage right-shift architecture triggered on LOW-to-HIGH CP transitions. Data entry is controlled by the logical AND of DSA and DSB one setup time before the rising clock edge, enabling flexible input enable/disable routing without external logic.
The MR input provides asynchronous active-LOW reset, overriding all other signals to force Q0–Q7 LOW immediately. Its static and dynamic characteristics are fully specified across -40 °C to +125 °C and 1.0 V to 5.5 V, with VIH/VIL thresholds compliant with TTL levels at VCC ≥ 2.7 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | 8-bit serial-in/parallel-out shift register with dual gated data inputs and asynchronous reset |
| Supply Voltage Range | 1.0 V to 5.5 V - enables direct interfacing with 1.2 V, 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains |
| Operating Temperature | -40 °C to +125 °C - qualified per AEC-Q100 Grade 1 for under-hood automotive applications |
| Propagation Delay (tpd) | 12 ns typical at VCC = 3.3 V, CL = 15 pF - supports >70 MHz clock operation in high-speed control loops |
| Input Compatibility | TTL-level inputs supported at VCC = 2.7 V to 3.6 V - eliminates level-shifter requirement in mixed-voltage systems |
| Output Drive | ±6 mA at VCC = 3.0 V - sufficient to directly drive LEDs or standard CMOS loads without buffers |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - meets automotive robustness requirements for assembly and field operation |
Pinout & Package
DHVQFN14 (SOT762-1) package: 2.5 × 3.0 × 0.85 mm body, no leads, exposed thermal pad (non-soldered by default), side-wettable flanks for automated optical inspection of solder joints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DSA) | Data input A | Primary serial data input; gated with DSB to form Q0 - tied HIGH if unused to prevent floating |
| 2 (DSB) | Data input B | Secondary serial data input; acts as enable for DSA - both inputs must be connected or unused tied HIGH |
| 3 (Q0) | Stage 0 output | First shifted output; logic AND of DSA and DSB sampled one setup time before CP rising edge |
| 4 (Q1) | Stage 1 output | Second shifted output; value of Q0 after previous CP edge - forms cascaded parallel bus |
| 5 (Q2) | Stage 2 output | Third shifted output - used for multi-bit address latching or segmented display control |
| 6 (Q3) | Stage 3 output | Fourth shifted output - supports 4-bit nibble-aligned readback in diagnostic interfaces |
| 7 (GND) | Ground reference | 0 V return path for all internal circuitry and I/O - requires low-inductance PCB connection |
| 8 (CP) | Clock input | Edge-triggered input; data shifts right on LOW-to-HIGH transition - requires clean, monotonic edges |
| 9 (MR) | Master reset | Asynchronous active-LOW reset - forces all Q0–Q7 LOW regardless of CP or data state |
| 10 (Q4) | Stage 4 output | Fifth shifted output - extends parallel bus to full 8-bit width for microcontroller GPIO expansion |
| 11 (Q5) | Stage 5 output | Sixth shifted output - used in sequential lighting patterns or multiplexed sensor addressing |
| 12 (Q6) | Stage 6 output | Seventh shifted output - supports daisy-chained configurations with multiple devices |
| 13 (Q7) | Stage 7 output | Eighth and final shifted output - indicates full register load completion in status monitoring |
| 14 (VCC) | Supply voltage | Positive supply rail; not a signal pin - decoupling capacitor required within 1 cm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Dual-gated serial inputs | DSA and DSB act as mutual enable/control pair - eliminates external AND gate for conditional data loading |
| Asynchronous master reset | MR forces Q0–Q7 LOW independently of clock timing - ensures deterministic startup and fault recovery |
| Wide voltage operation | Functional from 1.0 V to 5.5 V - supports legacy 5 V systems and modern ultra-low-power 1.2 V domains |
| Automotive qualification | AEC-Q100 Grade 1 certified - validated for continuous operation at +125 °C ambient in engine control units |
| DHVQFN with side-wettable flanks | SOT762-1 package enables AOI-compatible reflow soldering - reduces post-manufacturing defect escape in automotive PCBAs |
Applications
| LED Driver Expansion | Automotive Body Control Unit |
|---|---|
|
Use Scenario: Expanding microcontroller GPIO count to drive 8-channel LED arrays in interior lighting modules. IC Role / Device Role / Timing Role: Serial-to-parallel converter that accepts SPI-like bitstream from MCU and presents stable parallel outputs synchronized to CP edge. Use Value: Reduces MCU pin count by 7 (vs. direct drive), supports PWM dimming via CP frequency modulation, and tolerates supply dips to 1.0 V during cold-crank events. |
Use Scenario: Controlling window lift motors, mirror actuators, and door lock solenoids in centralized body electronics modules. IC Role / Device Role / Timing Role: Level-shifting interface between 3.3 V MCU and 12 V load drivers, providing isolated, glitch-free output enable sequencing. Use Value: MR input enables safe power-up initialization; dual data inputs allow diagnostic loopback testing without firmware changes. |
| Instrument Cluster Display Interface | Power Distribution Monitoring |
|
Use Scenario: Driving segment-select lines in 7-segment or dot-matrix displays within digital instrument clusters. IC Role / Device Role / Timing Role: Synchronized parallel output generator with deterministic tpd ≤12 ns - ensures display update timing compliance with 60 Hz refresh. Use Value: Guaranteed operation at +125 °C allows placement near display driver ICs; TTL-compatible inputs simplify connection to legacy display controllers. |
Use Scenario: Reading status of 8 discrete power rail monitors (e.g., overvoltage/undervoltage flags) in battery management subsystems. IC Role / Device Role / Timing Role: Parallel input sampler that serially streams fault flags to MCU via daisy-chained configuration. Use Value: Asynchronous MR allows global fault-clear synchronization; 1.0 V minimum VCC supports operation during deep sleep modes with reduced supply rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit serial-in/parallel-out shift register applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LV164AQPWRQ1 | TI variant with identical pinout and function but different ESD ratings (HBM > 4000 V) and wider VCC range (1.65 V to 5.5 V) | Preferred where higher HBM robustness is required beyond AEC-Q100 baseline; lacks side-wettable flanks | Select when board-level ESD stress exceeds 2 kV or when tighter VCC min (1.65 V vs. 1.0 V) is acceptable |
| 74LVC164BQ-Q100 | Nexperia LVC variant with same package and AEC-Q100 Grade 1 rating, but higher drive strength (±24 mA) and narrower VCC range (1.65 V to 3.6 V) | Better suited for driving heavier capacitive loads or longer traces, but incompatible with 1.0–1.65 V or 4.5–5.5 V supplies | Select when output current >6 mA is needed and system VCC is constrained to 1.65–3.6 V |
Compared with SN74LV164AQPWRQ1, the 74LV164BQ-Q100 offers lower minimum supply voltage (1.0 V vs. 1.65 V) and AOI-enabled packaging, while the 74LVC164BQ-Q100 trades voltage flexibility for higher output drive - making the LV version optimal for ultra-low-voltage automotive subsystems requiring assured manufacturability.
Availability
74LV164BQ-Q100 is available at Aetrix Electronics and suitable for automotive body control units, instrument cluster displays, LED lighting modules, and power distribution monitoring systems requiring stable component supply across extended temperature and voltage ranges.
Supply support for 74LV164BQ-Q100 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a leading semiconductor manufacturer specializing in high-performance, high-reliability logic, analog, and MOSFET solutions for automotive, industrial, and consumer markets.
The 74LV164-Q100 belongs to Nexperia's automotive-qualified LV logic family, designed specifically to deliver robust serial-to-parallel conversion in space-constrained, thermally demanding automotive ECUs operating across wide supply and temperature ranges.
FAQ
What is the minimum supply voltage at which 74LV164BQ-Q100 guarantees functional operation?
The device is guaranteed to operate down to 1.0 V supply voltage, with static characteristics fully specified from 1.2 V, and functional behavior confirmed at 1.0 V using GND/VCC-referenced input levels. This enables compatibility with emerging ultra-low-power automotive subsystems and cold-crank scenarios where VCC dips below 1.2 V.
How should unused DSA or DSB pins be terminated?
An unused DSA or DSB input must be tied HIGH (to VCC) to prevent floating states that could cause unpredictable Q0 behavior. Both inputs may also be connected together to share a single data source - the internal logic requires at least one input held HIGH to enable data entry through the other.
Does the DHVQFN14 package require soldering of the exposed thermal pad?
No - the thermal pad (pin 1 index area) has no electrical or mechanical requirement to be soldered. If soldered, it must remain electrically floating or be connected to VCC; grounding the pad is not recommended and may affect thermal performance or signal integrity.
Can 74LV164BQ-Q100 be used in daisy-chained configurations?
Yes - Q7 output can be connected to DSA/DSB of a downstream device to form a 16-bit (or longer) shift chain. The propagation delay (≤12 ns at 3.3 V) and setup/hold timing margins support reliable multi-device cascading at clock frequencies up to 70 MHz under nominal conditions.
74LV164BQ-Q100X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74LV
- Package/Case:
- 14-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Shift Register
- Output Type:
- Push-Pull
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Function:
- Serial to Parallel
- Voltage - Supply:
- 1V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-DHVQFN (2.5x3)
74LV164BQ-Q100X FAQ
1.How can I place an order for 74LV164BQ-Q100X through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LV164BQ-Q100X on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74LV164BQ-Q100X reliable?
The price and inventory of 74LV164BQ-Q100X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LV164BQ-Q100X is usually 5 days.
3.What payment methods are accepted for 74LV164BQ-Q100X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LV164BQ-Q100X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74LV164BQ-Q100X?
74LV164BQ-Q100X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LV164BQ-Q100X order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74LV164BQ-Q100X?
For technical support, including 74LV164BQ-Q100X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LV164BQ-Q100X requirements.
6.How does Aetrix verify that 74LV164BQ-Q100X is sourced from the original manufacturer or authorized distributors?
All 74LV164BQ-Q100X products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74LV164BQ-Q100X meets industry standards.
7.What is the process for return or replacement of 74LV164BQ-Q100X?
All 74LV164BQ-Q100X units undergo pre-shipment inspection (PSI). If there is an issue with 74LV164BQ-Q100X, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74LV164BQ-Q100X part is unused and in its original packaging.
Return procedure for 74LV164BQ-Q100X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74LV164BQ-Q100X Tags
-
SN74HC164DR
Texas Instruments
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SN74HC595DR
Texas Instruments
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74HC595PW,118
Nexperia USA Inc.
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SN74HC165PWR
Texas Instruments
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HEF4094BT,653
Nexperia USA Inc.
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74HC595D,118
Nexperia USA Inc.
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SN74HC595PWR
Texas Instruments
-
74HC165D,653
Nexperia USA Inc.
-
SN74LV165APWR
Texas Instruments
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74HC595BQ,115
Nexperia USA Inc.
-
74HC165BQ,115
Nexperia USA Inc.
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CD4094BPWR
Texas Instruments
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