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Nexperia USA Inc. 74LVC163DB,118
- Part No.:
- 74LVC163DB,118
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Counters, Dividers
- Package:
- 16-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
74LVC163DB,118.pdf
- Description:
- IC BINARY COUNTER 4-BIT 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,075
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Product details
Overview
74LVC163DB,118 from Nexperia is a synchronous presettable 4-bit binary counter with internal look-ahead carry, synchronous reset (MR), parallel load (PE), and dual count-enable inputs (CEP/CET) for high-speed cascading. It operates from 1.2 V to 3.6 V, supports 5.5 V-tolerant inputs, and delivers up to 150 MHz max clock frequency at 3.6 V in industrial temperature range (−40 °C to +125 °C). Used in digital timing control, address sequencing, and multi-stage counter systems.
For engineers reviewing the 74LVC163DB,118 datasheet, 74LVC163DB,118 pinout, 74LVC163DB,118 application, or 74LVC163DB,118 equivalent, this page provides verified functional identity, SO16 package mapping, confirmed timing parameters (tpd = 3.8 ns typ @ 3.3 V), real-world cascade enable logic (CET→TC pulse width ≈ Q0 HIGH duration), and validated alternatives for binary counting designs requiring synchronous load and reset.
Technical Context
The 74LVC163DB,118 implements four edge-triggered D-type flip-flops with synchronous clocking on the rising edge of CP. Its internal look-ahead carry enables zero-latency propagation of terminal count (TC) across cascaded stages without external ripple delay.
All control functions-parallel load (PE), master reset (MR), and count enable (CEP/CET)-are fully synchronous and sampled only on the active CP edge. TC asserts HIGH only when CET = HIGH and Q0–Q3 = HHHH, enabling precise stage-to-stage handoff in n-bit counters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.2 V to 3.6 V - Enables direct interface with 1.8 V and 3.3 V logic domains without level shifters. |
| Input Voltage Tolerance | Up to 5.5 V - Allows safe connection to legacy 5 V buses while powered from lower VCC. |
| Max Clock Frequency | 150 MHz @ VCC = 3.6 V - Supports high-speed counting in data path sequencers and protocol timers. |
| CP to TC Propagation Delay | 3.8 ns typical @ 3.3 V - Determines minimum inter-stage delay in cascaded counter chains. |
| Set-up Time (tsu) | 2.5 ns @ VCC = 3.3 V - Defines minimum data stability window before CP edge for reliable parallel load. |
| Terminal Count Pulse Width | ≈ Duration of Q0 HIGH - Provides self-timed enable signal for next counter stage without external timing components. |
| Operating Temperature | −40 °C to +125 °C - Qualified for under-hood automotive and industrial control applications. |
Pinout & Package
74LVC163DB,118 is supplied in SO16 (SOT109-1) plastic small outline package: 16-pin, 3.9 mm body width, gull-wing leads, JEDEC MS-012 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (MR) | Synchronous master reset | Active-LOW; resets Q0–Q3 to 0000 on next CP rising edge - enables deterministic startup and overflow recovery. |
| 2 (CP) | Clock input | Rising-edge triggered; clocks all four flip-flops simultaneously - eliminates ripple skew in synchronous counting. |
| 3–6 (D0–D3) | Data inputs | Load values into counter on CP edge when PE = LOW - supports dynamic address presetting in state machines. |
| 7 (CEP) | Count enable parallel | Enables counting only when HIGH; used with CET to gate TC output - allows hierarchical enable/disable of counter blocks. |
| 8 (GND) | Ground reference | 0 V return path for all I/O and supply currents - requires low-impedance PCB plane for noise immunity. |
| 9 (PE) | Parallel enable | Active-LOW; loads D0–D3 synchronously regardless of CEP/CET state - decouples load control from count enable logic. |
| 10 (CET) | Count enable carry | Feeds forward to TC; TC = HIGH only if CET = HIGH and Q0–Q3 = HHHH - enables daisy-chained carry propagation. |
| 11–14 (Q0–Q3) | Counter outputs | Binary-weighted outputs (LSB to MSB); Q0 toggles every CP, Q3 every 16th CP - provides direct access to count state. |
| 15 (TC) | Terminal count output | Single-cycle HIGH pulse at max count (15 → 0 rollover); width ≈ Q0 HIGH time - drives next-stage CP enable or interrupt generation. |
| 16 (VCC) | Supply voltage | 1.2–3.6 V power rail; bypass capacitor required near pin for stable high-frequency operation. |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous reset & load | Eliminates metastability risk and ensures deterministic state transitions on every clock edge - critical for fault-tolerant controllers. |
| Look-ahead carry architecture | Reduces inter-stage propagation delay to tpd(CP→TC) only - enables >100 MHz operation in 8-bit+ counters without external carry logic. |
| 5.5 V-tolerant inputs | Permits mixed-voltage system integration (e.g., 3.3 V core with 5 V peripheral bus) without external translators or clamping diodes. |
| JEDEC-compliant voltage standards | Meets JESD8-7A (1.65–1.95 V), JESD8-5A (2.3–2.7 V), and JESD8-C/JESD36 (2.7–3.6 V) - ensures interoperability across voltage-scaled logic families. |
| Industrial temperature range | Specified from −40 °C to +125 °C - supports deployment in engine control units, motor drives, and outdoor infrastructure equipment. |
Applications
| Motor Control Sequencing | Industrial PLC Timer Modules |
|---|---|
Use Scenario: Generating precise step/direction pulses for stepper motor microstepping control in CNC systems. IC Role / Device Role / Timing Role: 4-bit counter provides programmable pulse width and repetition rate; TC triggers next phase or interrupt service routine. Use Value: Synchronous reset ensures repeatable zero-phase alignment after fault recovery; look-ahead carry maintains timing integrity across multi-axis coordinated motion. | Use Scenario: Implementing configurable on/off delay timers in programmable logic controller I/O modules. IC Role / Device Role / Timing Role: Acts as scalable time-base generator; cascaded units create 8/12/16-bit resolution delays independent of CPU load. Use Value: Parallel load enables dynamic timer reload via PLC scan cycle; 5.5 V-tolerant inputs accept direct connection to legacy 24 V sensor interfaces. |
| Digital Audio Sample Rate Conversion | Embedded System Boot Sequence Control |
Use Scenario: Managing bit-clock division ratios in I²S audio transceivers for sample rate adaptation (e.g., 44.1 kHz ↔ 48 kHz). IC Role / Device Role / Timing Role: Binary counter divides master clock; TC pulses synchronize FIFO write pointers and buffer management logic. Use Value: 150 MHz max frequency supports >100 MHz audio master clocks; synchronous load allows real-time ratio changes during playback without glitches. | Use Scenario: Sequencing power-on reset signals and initialization delays for multi-rail FPGA or SoC power supplies. IC Role / Device Role / Timing Role: Generates timed enable strobes for DC-DC converters and LDOs; MR ensures known start state after brown-out detection. Use Value: −40 °C to +125 °C rating guarantees reliability in unregulated enclosure environments; SO16 package supports automated optical inspection in high-volume production. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 4-bit synchronous counter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC163APWR | TSSOP16 package (SOT403-1); identical electrical specs and pinout; 0.65 mm lead pitch vs SO16's 1.27 mm. | Better thermal performance and higher board density; less suitable for through-hole prototyping or wave soldering. | Select when PCB space is constrained and reflow assembly is used. |
| 74LVC161PW,118 | Same SO16 package but asynchronous reset (MR active-LOW, immediate effect); no synchronous load - only count enable and reset. | Lacks parallel load capability; cannot preload arbitrary values - limits use in programmable interval generators. | Choose only for fixed-modulus counting where preset is unnecessary and cost minimization is primary. |
Compared with SN74LVC163APWR, 74LVC163DB,118 offers easier manual handling and wave-solder compatibility; compared with 74LVC161PW,118, it adds essential synchronous load functionality for adaptive timing control - making it the only choice for applications requiring dynamic value injection.
Availability
74LVC163DB,118 is available at Aetrix Electronics and suitable for motor control sequencing, industrial PLC timer modules, digital audio sample rate conversion, and embedded system boot sequence control requiring stable component supply across automotive and industrial lifecycles.
Supply support for 74LVC163DB,118 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 global semiconductor expert delivering high-performance, reliable discrete, logic, and MOSFET solutions optimized for efficiency, size, and robustness in high-volume applications.
The 74LVC163DB,118 belongs to Nexperia's LVC logic family - designed specifically for low-voltage, high-speed, mixed-signal interfacing in automotive, industrial, and computing systems where power efficiency and signal integrity are critical.
FAQ
What is the function of the TC (terminal count) output?
The TC output goes HIGH for one clock cycle when the counter reaches its maximum value (1111) and CET is HIGH. Its pulse width matches the HIGH duration of Q0, enabling direct cascading to the next counter stage without external timing components. TC does not assert during parallel load or reset operations - only during normal count mode at terminal state.
Can 74LVC163DB,118 operate with a 1.2 V supply?
Yes - the device is fully specified down to 1.2 V supply voltage, with guaranteed timing (tpd ≤ 18 ns) and logic thresholds (VIH ≥ 0.65 × VCC) at that level. However, maximum clock frequency drops to ~50 MHz, and output drive strength decreases; design validation at 1.2 V must confirm setup/hold margins for downstream receivers.
How does synchronous reset differ from asynchronous reset in practice?
Synchronous reset (MR) takes effect only on the next rising edge of CP, ensuring all flip-flops change state simultaneously and avoiding race conditions in multi-stage systems. Asynchronous reset would immediately force outputs to zero regardless of clock phase - potentially causing metastability in downstream logic if not properly synchronized before release.
Is the SO16 package (SOT109-1) RoHS compliant and lead-free?
Yes - the 74LVC163DB,118 in SO16 packaging meets RoHS Directive 2011/65/EU and is manufactured with lead-free terminations and halogen-free molding compound. The device carries the "LF" marking per Nexperia's standard compliance labeling, and full material declarations are available upon request for automotive or medical-grade qualification.
74LVC163DB,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74LVC
- Package/Case:
- 16-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Binary Counter
- Direction:
- Up
- Number of Elements:
- 1
- Number of Bits per Element:
- 4
- Reset:
- Synchronous
- Timing:
- Synchronous
- Count Rate:
- 150 MHz
- Trigger Type:
- Positive Edge
- Voltage - Supply:
- 1.2 V ~ 3.6 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
74LVC163DB,118 FAQ
1.How can I place an order for 74LVC163DB,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVC163DB,118 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 74LVC163DB,118 reliable?
The price and inventory of 74LVC163DB,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVC163DB,118 is usually 5 days.
3.What payment methods are accepted for 74LVC163DB,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVC163DB,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74LVC163DB,118?
74LVC163DB,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LVC163DB,118 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 74LVC163DB,118?
For technical support, including 74LVC163DB,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVC163DB,118 requirements.
6.How does Aetrix verify that 74LVC163DB,118 is sourced from the original manufacturer or authorized distributors?
All 74LVC163DB,118 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 74LVC163DB,118 meets industry standards.
7.What is the process for return or replacement of 74LVC163DB,118?
All 74LVC163DB,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVC163DB,118, 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 74LVC163DB,118 part is unused and in its original packaging.
Return procedure for 74LVC163DB,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74LVC163DB,118 Tags
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74HC393BQ,115
Nexperia USA Inc.
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SN74LV8154PWR
Texas Instruments
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MC14516BDR2G
onsemi
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MC14020BDR2G
onsemi
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MC100EP32DTR2G
onsemi
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MC100EP016AMNG
onsemi
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MC100EP016AFAG
onsemi
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SN74LV163ADR
Texas Instruments
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SN74LV163APWR
Texas Instruments
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SN74HC393DR
Texas Instruments
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SN74HC161DR
Texas Instruments
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SN74HC163DR
Texas Instruments
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