STMicroelectronics

TS556CN - Dual 2.7MHz CMOS Timer | STMicroelectronics

부품 번호: TS556CN ✓ 활성
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2 V to 16 V Vdss 180 µA at VCC = 3 V Id 14-DIP, 0.300 inch (7.62 mm) width Package 2.7 MHz Speed
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TS556CN 개요

The STMicroelectronics TS556CN is a dual low-power CMOS timer with two independent 555-compatible timing sections, a maximum astable frequency of 2.7 MHz, and a 14-DIP package. Its verified supply-voltage range is 2 V to 16 V, while one secondary result describes the family operating to 18 V; the exact maximum for this orderable device must therefore be confirmed from its datasheet before use. The TS556CN provides 180 µA typical supply current at 3 V and is designed for accurate monostable and astable operation.

A CMOS timer is a programmable time-delay and oscillator integrated circuit. It belongs to the timer/oscillator category, within clock and timing ICs and broader semiconductor devices. Each timer section uses external resistors and capacitors to set delay or oscillation behavior, making this device useful where conventional 555-type timing, pulse generation, delay, and repetitive switching are required without a microcontroller.

Key verified attributes include dual-timer construction, operation from 2 V to 16 V, a high maximum astable frequency of 2.7 MHz, and pin-to-pin and functional compatibility with bipolar NE556 devices. Reduced supply-current spikes during output transitions can permit lower decoupling capacitance than a conventional bipolar implementation. The stated 180 µA typical current at 3 V supports battery-conscious designs, although load and switching conditions must be checked against the datasheet.

The TS556CN uses CMOS circuitry to combine low quiescent consumption with higher timer frequency than the bipolar NE556 comparison cited in the search data. That comparison reports 2.7 MHz maximum frequency for TS556 versus 0.1 MHz for NE556. However, actual operating frequency depends on timing resistors, capacitors, propagation delays, output loading, and supply voltage, so high-frequency layouts require short traces and careful grounding.

Typical uses include LED and lamp flashers, pulse generators, delay stages, debounce or retriggerable timing networks, simple oscillators, industrial control timers, and low-power instrumentation. The 14-DIP through-hole package favors prototypes, educational designs, repairable assemblies, and human-built electronics where a socketed or perforated-board implementation is practical.

Design with the two timer sections independently unless datasheet pin behavior explicitly permits shared connections. Place timing components close to their associated pins, bypass the supply near the device, and account for output-current limits and threshold tolerances. Because the web evidence provides conflicting voltage-range wording, use the 2 V to 16 V range for this listing and verify absolute maximum and operating limits before releasing production hardware.

This page combines verified distributor and datasheet findings, package-aware replacement analysis, and practical timer-circuit guidance. It also distinguishes documented TS556CN data from specifications that were not supplied, avoiding unsupported claims about pricing, lifecycle, compliance, or exact pin assignments.

드롭인 대체품: TS556CN — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: TS556CN (동일 폼 팩터 및 풋프린트) — 차이점: Package, Timer Configuration, Mounting Type, Typical Supply Current at 5 V.

STMicroelectronics
Package: 14-SOIC, 0.154 inch body width, 3.90 mm
Timer Configuration: Two independent 555-type timer sections
Mounting Type: Surface Mount
비교 대상: TS556CN →
STMicroelectronics
Package: 14-pin SOIC
Timer Configuration: Dual independent 555-type timer sections
Mounting Type: Surface mount
비교 대상: TS556CN →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

TS556ID

✅ 드롭인 ⚠️ 사양 미검증
STMicroelectronics
📦 DIP-14
Dual independent 555-type timer sections · Monostable and astable · 2 V to 16 V · 220 µA · 180 µA · 2.7 MHz · NE556 · Pin-to-pin and functionally compatible with bipolar NE556

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TS556CD

✅ 드롭인
STMicroelectronics
📦 DIP-14
Dual CMOS timer and oscillator · Two independent 555-type timer sections · 2.7 MHz · 2 V · 16 V · 130 µA, distributor specification · 220 µA, manufacturer-family specification · 0 °C to 70 °C

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NE556P

✅ 드롭인
📦 DIP-14
Bipolar dual 555 topology; the TS556 datasheet states pin-to-pin and functional NE556 compatibility, while switching current differs by device

📋 참조 대체품 (카탈로그에 없음)

TS556CN 사양

Timer Configuration Dual timer
Timer Type 555 Type, Timer/Oscillator
Technology CMOS
Supply Voltage Range 2 V to 16 V
Maximum Astable Frequency 2.7 MHz
Typical Supply Current 180 µA at VCC = 3 V
Operating Modes Monostable and astable
NE556 Compatibility Pin-to-pin and functionally compatible
Output Transition Behavior Reduced supply-current spikes
패키지 14-DIP, 0.300 inch (7.62 mm) width
핀 수 14 pins
실장 유형 Through-hole
동작 온도 범위 0°C to 70°C
Supply Packaging Tube

TS556CN 14-dip, 0.300 inch (7.62 mm) width 핀 구성 가이드

TS556CN(14-dip, 0.300 inch (7.62 mm) width 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.

TS556CN의 14-dip, 0.300 inch (7.62 mm) width 패키지 핀아웃 다이어그램

다음에 대한 상세 핀아웃 데이터 없음: TS556CN.

다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.

일반적인 애플리케이션

TS556CN 적합 용도: 6 애플리케이션s: Dual Delay and Pulse Generator, Astable Oscillator and Tone Generator, LED Flasher and Indicator Driver, Industrial Debounce and Retrigger Control, Low-Power Instrumentation Timing, Switch-Mode and Power-Control Delay.

⏱️

Dual Delay and Pulse Generator

The TS556CN fits delay-and-pulse designs because it contains two 555-compatible timer sections and supports monostable operation from a verified 2 V to 16 V supply. Each section can establish its own delay using external resistance and capacitance, allowing one IC to replace two discrete timer packages in a prototype or industrial control board. The 180 µA typical supply current at 3 V also suits low-duty-cycle battery-powered equipment. Verify trigger polarity, output timing tolerance, and output-load limits in the manufacturer datasheet before production.

〰️

Astable Oscillator and Tone Generator

The TS556CN is suitable for astable oscillator or tone-generation circuits because its verified maximum astable frequency is 2.7 MHz. One timer can generate a repetitive waveform while the second can provide modulation, gating, or a separate delayed function. At lower audible or instrumentation frequencies, external resistor and capacitor tolerances normally dominate accuracy. For operation near the device limit, keep timing nodes compact, provide a low-impedance supply bypass, and confirm timing and output behavior from the datasheet.

💡

LED Flasher and Indicator Driver

The dual TS556CN can implement two independent flashing rates or an alternating LED indication circuit, reducing the IC count compared with two single timers. Its low-power CMOS operation is useful in battery-powered indicators, while the verified 14-DIP package is easy to prototype and socket. The LED current source must be sized so total demand remains within the applicable output rating; the provided evidence does not state that limit. Include a current-limiting resistor and verify polarity at startup.

🏭

Industrial Debounce and Retrigger Control

The TS556CN can form a monostable debounce or retriggerable control stage for switches, sensor interfaces, and actuator timing. Two independent timer sections allow separate debounce and output-delay functions while preserving a conventional 555-style architecture. The CMOS device's 180 µA typical consumption at 3 V helps limit idle drain in compact control equipment. Validate switch bounce duration, trigger recovery time, and output load; the supplied data does not define these timing thresholds.

🔧

Low-Power Instrumentation Timing

The TS556CN is suitable for low-power test and measurement modules that need one-shot delays, sample windows, or repetitive triggers without a microcontroller. Its dual timer arrangement reduces component count, while the 2 V to 16 V listed range permits integration across multiple low-voltage rails. The through-hole 14-DIP package favors instrument prototypes and repairable assemblies. At the verified 2.7 MHz maximum, use short timing paths and stable grounding to minimize parasitic effects and supply sensitivity.

⚡

Switch-Mode and Power-Control Delay

The TS556CN can supervise start-up sequencing, create a controlled enable delay, or inject a repeatable blanking interval in a power-control circuit. Its low quiescent demand is useful when the control circuit spends substantial time idle, and the dual architecture can coordinate two timing events. The exact output rating and propagation behavior were not supplied, so use the datasheet to verify suitability for gate-drive or power-stage loads. Keep high-current switching loops separate from timer and reference nodes.

What is the STMicroelectronics TS556CN?
The STMicroelectronics TS556CN is a dual low-power CMOS timer containing two 555-compatible sections in a 14-DIP package. According to the STMicroelectronics datasheet indexed by Datasheets.com, it operates from 2 V to 16 V, reaches a maximum astable frequency of 2.7 MHz, and has typical supply current of 180 µA at 3 V. It supports monostable and astable timing while remaining pin-to-pin and functionally compatible with bipolar NE556 circuits.
What are the key specifications of TS556CN that engineers should know?
The TS556CN is a dual CMOS timer rated for a verified 2 V to 16 V supply range and a maximum astable frequency of 2.7 MHz. Its typical supply current is 180 µA at 3 V, and it comes in a through-hole 14-DIP package with a 7.62 mm body width. According to the indexed STMicroelectronics datasheet, the device is pin-to-pin and functionally compatible with bipolar NE556 timers, making it suitable for established delay and oscillator layouts.
Where can I download the TS556CN datasheet PDF?
The TS556CN datasheet PDF can be downloaded from the STMicroelectronics document hosted by Datasheets.com. The verified page identifies the TS556 family as a low-power dual CMOS timer and provides the 2 V to 16 V supply range, 2.7 MHz maximum astable frequency, and compatibility information. Because one search result mentions an 18 V family limit, engineers should use the TS556CN datasheet limits for design sign-off rather than relying on secondary snippets.
What is the maximum frequency of the TS556CN?
The TS556CN supports a maximum astable frequency of 2.7 MHz. This figure appears in the STMicroelectronics TS556 datasheet indexed by Datasheets.com and in DigiKey's product summary. It is a device capability figure rather than a guaranteed operating frequency for every external network; resistor tolerance, capacitor tolerance, propagation delay, supply voltage, and board parasitics can lower the useful frequency.
What supply voltage does the TS556CN use?
The verified TS556CN listing specifies a 2 V to 16 V operating supply range. This voltage range supports low-voltage CMOS operation and higher-voltage compatibility with conventional 555-style circuits. Some secondary TS556-family material mentions operation to 18 V, but the supplied DigiKey and datasheet evidence used for this listing states 2 V to 16 V. Confirm the exact orderable-device limit in the manufacturer datasheet.
How much current does the TS556CN consume?
The TS556CN has a verified typical supply current of 180 µA when VCC is 3 V. This low CMOS consumption is one of its principal advantages over bipolar timer families. Actual current depends on supply voltage, timer configuration, output loading, and output-transition activity. The family also reduces supply-current spikes during transitions, which can simplify bypassing compared with a conventional bipolar NE556 implementation.
Is the TS556CN pin-compatible with the NE556?
The TS556CN is described by the indexed manufacturer datasheet as pin-to-pin and functionally compatible with bipolar NE556 devices. That compatibility makes it a potential fit for existing dual-555 layouts, but engineers should still verify operating limits, output-current requirements, timing tolerances, and any unused-pin treatment against the specific NE556 originally used. The TS556CN is packaged as a 14-DIP rather than every available NE556 package.
Where can I buy TS556CN online?
TS556CN can be ordered from authorized electronics distributors, with DigiKey providing a verified product page for the STMicroelectronics TS556CN. DigiKey describes it as a dual 555-type timer/oscillator in a 14-DIP package and notes that buyers can view current stock, pricing, and shipment status. XAIPART cannot quote a current price or lead time from the supplied evidence, so request a fresh quotation before committing production quantities.
What is the price of TS556CN?
The current TS556CN unit price is [DATA_NEEDED: unit price], because the verified search results provide no numeric distributor price. DigiKey and Octopart identify commercial sources, but their snippets do not establish a trustworthy price for this record. Request a current quotation and confirm stock, packaging, and manufacturer authorization before purchase. Any published price should be reviewed as of the quotation date.
What is the lead time for TS556CN?
The current TS556CN lead time is [DATA_NEEDED: lead time]. DigiKey's listing says the part can be purchased and shipped today, but that promotional snippet does not provide a quantity-specific commitment or a durable inventory forecast. For production planning, request a written lead time for the exact quantity and tube or cut-tape packaging. Also ask whether the manufacturer classifies TS556CN as active or in another lifecycle state.
Is TS556CN in stock?
TS556CN availability is [DATA_NEEDED: current stock quantity] as of 2026-10-23. The DigiKey search result says “buy now, ships today,” indicating commercial availability at the time of retrieval, but it does not disclose a stock count. XAIPART therefore treats availability as unconfirmed rather than advertising a specific quantity. Check the distributor inventory or request an XAIPART quote immediately before ordering.
What can replace TS556CN?
A TS556CN replacement must use the same 14-DIP footprint and match dual-timer voltage, frequency, timing, and output requirements. The supplied cross-reference evidence does not identify five verified pin-compatible MPNs, so no complete drop-in replacement list can be responsibly published. Search results mention LM556CM, but they compare the devices without proving an exact 14-DIP, pin-compatible replacement. Verify the candidate's pinout and full electrical limits before substitution.
Is the TS556CN the same as LM556CM?
The TS556CN and LM556CM are dual CMOS timer functions, but the supplied evidence does not establish that they are exact drop-in equivalents. A search result explicitly frames LM556CM as a comparison part rather than a verified substitute. Package, supply range, maximum frequency, output drive, timing accuracy, temperature grade, and pin behavior must all match before interchange. Do not treat functional similarity alone as proof of drop-in compatibility.
When should I choose TS556CN instead of a bipolar NE556?
Choose the TS556CN when low supply consumption and a higher maximum astable frequency matter. The verified data cites 180 µA typical current at 3 V and 2.7 MHz maximum frequency, compared in the family material with 0.1 MHz for a bipolar NE556. The CMOS TS556CN also reduces supply-current spikes during output transitions. Retain a bipolar NE556 only when its known drive, voltage, or historical qualification better matches the original design.
Is TS556CN suitable for monostable and astable timer circuits?
Yes, the TS556CN is designed for both monostable and astable operation. External timing resistors and capacitors determine the delay or oscillation frequency, while the device supplies the threshold, trigger, and output functions for each timer section. According to the indexed manufacturer datasheet, timing remains accurate in both modes and the maximum astable frequency is 2.7 MHz. Validate component tolerances and output loading for the target timing window.
Where can I find the TS556CN pinout?
The TS556CN pinout should be taken from the manufacturer datasheet, available through the verified STMicroelectronics PDF link or the indexed manufacturer-data pages. The device is a 14-DIP timer with two 555-compatible sections, but the provided search data does not include the individual pin names. Consequently, an exact numbered pin table is withheld rather than reconstructed from memory. Use the datasheet diagram for both socket and PCB connections.

엔지니어링 참조 데이터: TS556CN — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the TS556CN for a new dual-timer design that benefits from CMOS low-power consumption, a verified 2.7 MHz maximum astable frequency, and pin-compatible migration from suitable bipolar NE556 layouts. Its 14-DIP package is particularly convenient for prototypes, educational assemblies, and repairable through-hole products. Select TS556CD only after confirming the exact ordering-code electrical and marking differences; select TS556ID when its manufacturer-specified industrial temperature range is appropriate. NE556P remains relevant when an existing bipolar circuit has been qualified around its drive behavior or supply characteristics. None of these choices should be treated as automatic replacements: verify the pin diagram, output limits, timing tolerances, decoupling, and temperature requirements. Current price and lifecycle status should also be confirmed because the supplied distributor snippets do not contain numeric pricing or a formal lifecycle declaration.

대체품과의 비교

파라미터 이 제품 TS556ID TS556CD NE556P
Brand STMicroelectronics STMicroelectronics STMicroelectronics Texas Instruments
Package 14-DIP, 0.300 inch (7.62 mm) width DIP-14 DIP-14 DIP-14
Timer Configuration Dual timer Dual timer Dual timer Dual timer
Technology CMOS CMOS CMOS Bipolar

주요 차별점

  • Higher maximum astable frequency than the bipolar reference cited in the supplied family comparison (vs NE556P)
  • Lower typical power consumption for low-duty-cycle designs (vs NE556P)
  • Reduced switching-related supply-current spikes (vs NE556P)
  • Same-family commercial-grade ordering option (vs TS556ID)

설계 노트

The verified TS556CN supply range for this record is 2 V to 16 V, but secondary family data mentions 18 V. Do not design to 18 V without checking the exact manufacturer datasheet and absolute-maximum table. Place a local supply bypass close to the device, account for the reduced transition-current spikes documented for TS556, and verify that both timer sections and all output loads remain within the selected supply and output-current limits.

Keep each timing resistor and capacitor close to the pins belonging to its timer section. At frequencies approaching the verified 2.7 MHz maximum, long traces add capacitance and can shift oscillation or monostable delay. Use a compact ground return, avoid routing timing nodes beside fast switching-current paths, and keep the supply bypass path short. For the 14-DIP implementation, maintain adequate spacing between adjacent through-holes according to the PCB fabrication rules.

A dual timer does not automatically mean both sections share one timing network. Define and validate both astable or monostable configurations separately, including trigger thresholds, discharge paths, and output loading. Do not assume that every NE556 circuit transfers without review: compare the exact pin diagram, supply limits, timing tolerances, output-current behavior, and maximum operating frequency. A shared ground and supply are common, but timer-specific external networks should remain isolated to prevent unintended interaction.

규정 준수 정보

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
무연
Unknown
무할로겐
Unknown
분쟁 광물
Unknown

The supplied data does not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. The TS556CN is a commercial-temperature through-hole timer, so AEC-Q100 is treated as not applicable rather than qualified.

데이터 검증일: 2026-10-23 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

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관련 부품 & 용어

STMicroelectronics TS556CN TS556 family TS556ID TS556CD NE556 NE556P LM556CM dual CMOS timer 555 timer timer/oscillator clock and timing IC monostable mode astable mode maximum astable frequency supply current pin-to-pin compatibility 14-DIP package through-hole package LED flasher pulse generator industrial debounce DigiKey Octopart
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