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NXP Semiconductors 74HC160D,652
- Part No.:
- 74HC160D,652
- Manufacturer:
- NXP Semiconductors
- Category:
- Counters, Dividers
- Package:
- -
- Datasheet:
-
74HC160D,652.pdf
- Description:
- NEXPERIA 74HC160D - DECADE COUNT
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
74HC160D,652 from Nexperia is a synchronous presettable BCD decade counter IC with asynchronous master reset (MR), internal look-ahead carry, and dual count-enable inputs (CEP/CET) for cascading. It operates on positive-edge clock (CP), supports parallel data loading via D0–D3 and PE, delivers Q0–Q3 outputs, and generates terminal count (TC) pulses for multi-stage counting in digital timing and control systems.
For engineers reviewing the 74HC160D,652 datasheet, 74HC160D,652 pinout, 74HC160D,652 application, or 74HC160D,652 equivalent, key selection criteria include BCD decade counting accuracy, asynchronous clear timing (MR-to-Qn ≤ 63 ns @ VCC = 4.5 V), TC pulse width matching Q0 HIGH duration, and SO16 package compatibility with industrial-grade thermal range (-40 °C to +125 °C).
Technical Context
The 74HC160D implements four edge-triggered D-type flip-flops with synchronous load and asynchronous reset logic. Its decade decode is hardwired to cycle 0–9 (BCD), with TC asserted only when CET = HIGH and state = HLLH (9). Look-ahead carry enables low-latency serial cascading by feeding TC directly to CEP of the next stage.
Count enable is split into CEP (enable gate) and CET (carry-enable trigger): both must be HIGH for counting, but only CET controls TC activation. Input clamping diodes allow safe interfacing to voltages beyond VCC using current-limiting resistors, supporting mixed-voltage system integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | Synchronous BCD decade counter with parallel load and asynchronous reset |
| Supply Voltage Range | 2.0 V to 6.0 V - supports 3.3 V and 5 V logic domains without level shifters |
| Max Clock Frequency | 66 MHz @ VCC = 6.0 V - enables high-speed counting in real-time control loops |
| CP to Qn Propagation Delay | 31 ns @ VCC = 6.0 V - determines minimum clock period for reliable state capture |
| MR to Qn Propagation Delay | 36 ns @ VCC = 6.0 V - defines worst-case reset recovery time before next valid clock |
| Terminal Count Pulse Width | ≈ duration of Q0 HIGH - provides precise, self-timed enable signal for cascaded stages |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive and industrial power-conversion environments |
Pinout & Package
74HC160D,652 is housed in a plastic small outline package (SO16, SOT109-1) with 16 leads, 3.9 mm body width, and standard 1.27 mm lead pitch - compatible with automated PCB assembly and IPC-7351B footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 MR | Asynchronous master reset input | Active-LOW signal forcing Q0–Q3 = LOW immediately, independent of CP or enable states |
| 2 CP | Clock input | Positive-edge triggered; all flip-flops update simultaneously on rising edge |
| 3–6 D0–D3 | Parallel data inputs | Load values into counter on CP edge when PE = LOW, overriding current count |
| 7 CEP | Count enable (parallel) | Enables counting only when HIGH; used for gating multi-stage counter chains |
| 8 GND | Ground reference | 0 V return path for all internal logic and output drivers |
| 9 PE | Parallel enable input | Active-LOW control for synchronous parallel load operation |
| 10 CET | Count enable carry input | Enables TC output generation; must be HIGH for terminal count assertion |
| 11–14 Q3–Q0 | BCD output bits | Q0 = LSB; outputs reflect current decade value (0–9); Q3 is MSB |
| 15 TC | Terminal count output | HIGH pulse synchronized to Q0 HIGH duration when counter reaches 9 and CET = HIGH |
| 16 VCC | Supply voltage | Power rail for CMOS logic core; decoupling capacitor required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous presettable counting | Enables deterministic initialization to any BCD value (0–9) on next clock edge |
| Look-ahead carry architecture | Reduces propagation delay in cascaded counters by eliminating ripple-chain dependency |
| Dual count-enable inputs (CEP/CET) | Separates counting permission (CEP) from carry generation (CET), enabling flexible hierarchical control |
| Asynchronous master reset (MR) | Guarantees immediate zero-state reset regardless of clock or enable conditions |
| Clamped inputs with ESD protection | HBM > 2000 V and MM > 200 V - enhances robustness in handling and board-level surge events |
Applications
| Industrial PLC Timing Modules | Digital Panel Meter Counting |
|---|---|
Use Scenario: Decade-based timing intervals in programmable logic controller scan cycles. IC Role / Device Role / Timing Role: Primary BCD counter generating 0–9 sequence for 100 ms/1 s/10 s base intervals. Use Value: Asynchronous MR ensures deterministic restart after fault; TC pulse triggers next timer stage without software intervention. |
Use Scenario: Accumulating sensor pulses (e.g., flow meter, encoder) into decimal display units. IC Role / Device Role / Timing Role: Presettable decade counter converting raw pulses to BCD for 7-segment driver interface. Use Value: Parallel load (via D0–D3/PE) allows manual zeroing or calibration offset injection without interrupting measurement. |
| Automotive Dashboard Odometer Logic | Legacy Industrial Machine Control |
Use Scenario: Mechanical odometer digit advancement driven by wheel rotation pulses. IC Role / Device Role / Timing Role: Cascaded BCD counter chain implementing kilometers/miles accumulation with carry propagation. Use Value: Look-ahead carry minimizes inter-digit delay; -40 °C to +125 °C rating ensures reliability in under-dash thermal environments. |
Use Scenario: Sequence control in electro-mechanical relay logic replacements. IC Role / Device Role / Timing Role: Synchronous decade counter stepping through machine states (e.g., press cycle: clamp → heat → cool → eject). Use Value: Positive-edge CP and deterministic TC pulse enable precise, jitter-free state transitions synchronized to master clock. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar BCD decade counter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HC163D,652 | 4-bit binary counter (0–15), not BCD; includes synchronous reset instead of asynchronous MR | Requires external decode for decimal output; unsuitable where hardware BCD constraint is mandatory | Select only if full 16-state counting is needed and MR timing is not critical |
| 74HCT160D,653 | TTL-compatible input thresholds (VIH ≈ 2.0 V), identical BCD function and pinout | Interchangeable in 5 V systems with legacy TTL logic; not recommended for 3.3 V-only designs | Choose for mixed 5 V TTL/CMOS systems; verify VIH/VIL margins against driving source |
Compared with 74HC160D,652, the 74HC163D lacks native BCD decoding and asynchronous reset-critical for deterministic zeroing-while the 74HCT160D matches functionality but trades CMOS input noise immunity for TTL-level compatibility, limiting use in low-voltage or noise-sensitive applications.
Availability
74HC160D,652 is available at Aetrix Electronics and suitable for industrial PLC timing modules, digital panel meter counting, automotive dashboard odometer logic, and legacy industrial machine control requiring stable component supply across extended temperature ranges.
Supply support for 74HC160D,652 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 focused on high-volume, high-reliability logic, analog, and discrete components, serving automotive, industrial, and consumer markets with JEDEC-compliant products.
The 74HC160D belongs to Nexperia's 74HC high-speed CMOS logic family, designed for low-power, noise-immune digital control in resource-constrained embedded systems operating across wide industrial temperature ranges.
FAQ
What is the maximum clock frequency supported by the 74HC160D,652?
The 74HC160D,652 supports up to 66 MHz at VCC = 6.0 V, 55 MHz at VCC = 4.5 V, and 625 ns/V input transition rate compliance. This maximum is defined by CP-to-Qn propagation delay and set-up time margins, verified under CL = 50 pF load conditions per the official Nexperia datasheet Rev. 4.
How does the terminal count (TC) output behave during cascading?
TC asserts HIGH only when CET = HIGH and the counter reaches state 9 (HLLH). Its pulse width approximates the HIGH duration of Q0, enabling direct connection to CEP of the next 74HC160D stage. This look-ahead carry eliminates ripple delay, allowing multi-digit counters to operate at full rated clock speed.
Can the 74HC160D,652 be used with a 3.3 V supply?
Yes - the 74HC160D,652 is fully specified from 2.0 V to 6.0 V, including 3.3 V operation. At VCC = 3.3 V, VIH is guaranteed ≥ 2.31 V and VOL ≤ 0.26 V at 4 mA sink, ensuring interoperability with standard 3.3 V CMOS logic families without level translation.
Is there a pin-compatible replacement with automotive qualification?
No - the 74HC160D,652 itself is not AEC-Q100 qualified. Nexperia offers no pin-compatible automotive-grade variant of this exact part number. For automotive use, system-level validation and external protection (e.g., transient suppression, derating) are required, as explicitly stated in the manufacturer's legal disclaimers.
74HC160D,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- -
- Direction:
- -
- Number of Elements:
- -
- Number of Bits per Element:
- -
- Reset:
- -
- Timing:
- -
- Count Rate:
- -
- Trigger Type:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
74HC160D,652 FAQ
1.How can I place an order for 74HC160D,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC160D,652 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 74HC160D,652 reliable?
The price and inventory of 74HC160D,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC160D,652 is usually 5 days.
3.What payment methods are accepted for 74HC160D,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC160D,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HC160D,652?
74HC160D,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HC160D,652 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 74HC160D,652?
For technical support, including 74HC160D,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC160D,652 requirements.
6.How does Aetrix verify that 74HC160D,652 is sourced from the original manufacturer or authorized distributors?
All 74HC160D,652 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 74HC160D,652 meets industry standards.
7.What is the process for return or replacement of 74HC160D,652?
All 74HC160D,652 units undergo pre-shipment inspection (PSI). If there is an issue with 74HC160D,652, 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 74HC160D,652 part is unused and in its original packaging.
Return procedure for 74HC160D,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74HC160D,652 Tags
-
74HC393BQ,115
Nexperia USA Inc.
-
SN74LV8154PWR
Texas Instruments
-
MC14516BDR2G
onsemi
-
MC14020BDR2G
onsemi
-
MC100EP32DTR2G
onsemi
-
MC100EP016AMNG
onsemi
-
MC100EP016AFAG
onsemi
-
SN74LV163ADR
Texas Instruments
-
SN74LV163APWR
Texas Instruments
-
SN74HC393DR
Texas Instruments
-
SN74HC161DR
Texas Instruments
-
SN74HC163DR
Texas Instruments
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