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STMicroelectronics HCF4024M013TR
- Part No.:
- HCF4024M013TR
- Manufacturer:
- STMicroelectronics
- Category:
- Counters, Dividers
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
HCF4024M013TR.pdf
- Description:
- IC BINARY COUNTER 7-BIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,992
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Product details
Overview
HCF4024M013TR from STMicroelectronics is a 7-stage ripple-carry binary counter IC with buffered inputs/outputs, common reset, and Schmitt-trigger clock input; operates at VDD = 3–20 V, tPD = 80 ns (typ. @ 10 V), and supports fMAX = 16 MHz (@ 10 V); used in frequency division and digital timing control circuits.
For engineers reviewing the HCF4024M013TR datasheet, HCF4024M013TR pinout, HCF4024M013TR application, or HCF4024M013TR equivalent, key selection criteria include propagation delay symmetry across stages, static operation capability, reset behavior under wide supply range, and compatibility with legacy CMOS logic families.
Technical Context
The HCF4024M013TR implements seven cascaded master-slave D-type flip-flops in ripple-carry configuration, advancing state on each negative clock edge. All outputs are fully buffered, ensuring symmetrical VOH/VOL and drive capability up to ±3.2 mA (IOH/IOL @ VDD = 5 V).
Schmitt-trigger input on Φ enables robust clocking with unlimited rise/fall times; RESET is asynchronous and active-high, forcing all Q1–Q7 to logic low regardless of clock phase. Quiescent current is specified from -55°C to +125°C and tested to 150 µA max @ VDD = 5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD Range | 3 V to 20 V - supports single-supply operation across 5 V, 10 V, and 15 V logic systems |
| tPD (Φ→Q1) | 80 ns typ. @ VDD = 10 V - defines minimum clock-to-output latency for first stage |
| fMAX | 16 MHz @ VDD = 10 V - maximum reliable counting frequency before timing violations |
| IOH / IOL | -3.2 mA / +2.6 mA @ VDD = 10 V - sufficient to drive multiple CMOS loads without external buffers |
| II (Input Leakage) | ±0.1 µA max @ VDD = 18 V - ensures stable logic levels in high-impedance or battery-powered circuits |
| Reset Polarity | Active-high asynchronous - immediate zero-state initialization independent of clock edge |
| Operating Temp | -55°C to +125°C - qualified for industrial and extended-temperature embedded applications |
Pinout & Package
Package: SO-14 (Small Outline, 14-pin, surface-mount). Dimensions per STMicroelectronics PO13G: 8.55–8.75 mm length, 5.8–6.2 mm width, 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 Φ | Clock Input | Schmitt-triggered negative-edge-sensitive input; accepts unlimited rise/fall times |
| 2 RESET | Asynchronous Reset | Active-high signal forcing Q1–Q7 = LOW regardless of clock state |
| 3–9, 11–12 Q1–Q7 | Counter Outputs | Buffered complementary outputs representing 2⁰ through 2⁶ states |
| 7 VSS | Negative Supply | Ground reference for all internal logic and I/O circuitry |
| 14 VDD | Positive Supply | Primary power rail; supports 3–20 V operation with full parametric rating |
| 8, 10, 13 NC | No Connect | Internally unconnected pins; must be left floating or tied to VSS/VDD per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Static Operation | Zero static current draw during clock hold - enables ultra-low-power standby in battery systems |
| Symmetrical Output Drive | Matched VOH/VOL and IOH/IOL across voltage rails - simplifies interfacing with mixed-voltage logic |
| Full Temperature Rating | Guaranteed functionality from -55°C to +125°C - suitable for automotive engine control and industrial PLCs |
| JEDEC JESD13B Compliance | Fully conforms to B-series CMOS device standards - ensures interoperability with legacy 4000-series logic |
| 100% IQ Testing | Every unit tested for quiescent current ≤150 µA @ VDD = 5 V - guarantees low-power integrity |
Applications
| Digital Frequency Divider | Industrial Timer Circuit |
|---|---|
Use Scenario: Dividing a 16 MHz crystal oscillator output to generate precise 125 kHz, 62.5 kHz, and lower clock signals for microcontroller peripherals. IC Role / Device Role / Timing Role: 7-stage binary divider providing 2⁷ = 128 division ratio with deterministic edge alignment. Use Value: Eliminates need for external prescalers; Schmitt-trigger input tolerates noisy oscillator waveforms. | Use Scenario: Generating fixed-duration time delays (e.g., 1–60 s) in programmable logic controllers using RC oscillator + counter chain. IC Role / Device Role / Timing Role: Ripple-carry counter stage accepting slow, filtered clock edges from analog timing networks. Use Value: Asynchronous reset allows instant timer restart; wide VDD range accommodates 12 V industrial rails. |
| Legacy System Clock Scaling | Power Sequencing Controller |
Use Scenario: Downscaling CPU clock in retro-computing FPGA co-processor boards to match vintage 4000-series logic timing budgets. IC Role / Device Role / Timing Role: Synchronous clock domain translator between modern FPGA outputs and legacy CMOS bus timing. Use Value: Buffered outputs prevent signal degradation across long PCB traces; noise margin ≥2 V @ 10 V ensures noise immunity. | Use Scenario: Controlling power-up sequence of multi-rail DC/DC converters in telecom line cards via staged enable signals. IC Role / Device Role / Timing Role: State generator producing sequential logic levels (Q1→Q2→Q3…) to gate enable lines with fixed delay intervals. Use Value: Fully static operation prevents spurious transitions during power ramp; NC pins simplify PCB routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ripple-carry binary counter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4024BE | Same 7-stage function but DIP-14 only; tPD = 120 ns @ 5 V (slower); no guaranteed 20 V rating | Limited to through-hole assembly; less suitable for high-density or high-temp PCBs | Prefer when legacy DIP footprint or lower-cost procurement is required |
| MC14024BDR2G | Onsemi variant with identical pinout; tPD = 90 ns @ 10 V; wider -65°C to +150°C storage spec | Higher radiation tolerance; validated for aerospace-grade screening options | Prefer when extended reliability qualification or MIL-PRF-38535 compliance is mandated |
Compared with CD4024BE and MC14024BDR2G, the HCF4024M013TR offers superior speed at 10 V, guaranteed 20 V absolute max rating, and SO-14 packaging optimized for automated SMT production - making it ideal for new industrial designs requiring density, speed, and temperature resilience.
Availability
HCF4024M013TR is available at Aetrix Electronics and suitable for industrial timer circuits, digital frequency dividers, legacy system clock scaling, and power sequencing controllers requiring stable component supply across extended temperature ranges.
Supply support for HCF4024M013TR 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing analog, MCU, power, and discrete devices for industrial, automotive, and consumer markets.
The HCF4024M013TR belongs to ST's legacy HCF4000B series of radiation-hardened, high-voltage CMOS logic ICs - engineered for robustness in harsh environments and long-lifecycle industrial deployments.
FAQ
Is HCF4024M013TR pin-compatible with CD4024BE?
Yes - both share identical SO-14/DIP-14 pinouts and logic functions. However, HCF4024M013TR's SO-14 package requires reflow-compatible layout, while CD4024BE is DIP-only. Electrical specs differ slightly: HCF4024M013TR has faster tPD (80 ns vs. 120 ns @ 10 V) and higher VDD absolute max (22 V vs. 18 V).
What is the minimum VDD required for reliable operation?
HCF4024M013TR is characterized down to VDD = 3 V per JEDEC JESD13B. At 3 V, fMAX drops to ~2 MHz and tPD increases to ~500 ns. For full-speed operation (16 MHz), VDD ≥ 10 V is recommended. All DC parameters remain valid across 3–20 V.
Can RESET be asserted during clock activity without causing metastability?
Yes - RESET is fully asynchronous and overrides all internal flip-flop states immediately. No setup/hold timing relative to Φ is required. The counter enters all-zeros state within tPHL = 120 ns (max @ VDD = 10 V), regardless of clock phase or frequency.
Are the NC pins (8, 10, 13) safe to tie to VDD or VSS?
Per STMicroelectronics datasheet, pins 8, 10, and 13 are internally unconnected. They may be left floating, tied to VSS, or tied to VDD - no electrical risk. However, tying to VSS is preferred in noise-sensitive layouts to reduce parasitic antenna effects on unused metal traces.
HCF4024M013TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- 4000
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Binary Counter
- Direction:
- Up
- Number of Elements:
- 1
- Number of Bits per Element:
- 7
- Reset:
- Asynchronous
- Timing:
- -
- Count Rate:
- 24 MHz
- Trigger Type:
- Negative Edge
- Voltage - Supply:
- 3 V ~ 20 V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
HCF4024M013TR FAQ
1.How can I place an order for HCF4024M013TR through Aetrix?
Please submit a Request for Quotation (RFQ) for HCF4024M013TR 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 HCF4024M013TR reliable?
The price and inventory of HCF4024M013TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HCF4024M013TR is usually 5 days.
3.What payment methods are accepted for HCF4024M013TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HCF4024M013TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HCF4024M013TR?
HCF4024M013TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HCF4024M013TR 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 HCF4024M013TR?
For technical support, including HCF4024M013TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HCF4024M013TR requirements.
6.How does Aetrix verify that HCF4024M013TR is sourced from the original manufacturer or authorized distributors?
All HCF4024M013TR 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 HCF4024M013TR meets industry standards.
7.What is the process for return or replacement of HCF4024M013TR?
All HCF4024M013TR units undergo pre-shipment inspection (PSI). If there is an issue with HCF4024M013TR, 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 HCF4024M013TR part is unused and in its original packaging.
Return procedure for HCF4024M013TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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