ATTINY4-TSHR - 12MHz 8-Bit AVR MCU | Microchip
Référence : ATTINY4-TSHR ✓ ActifATTINY4-TSHR Présentation
What is an 8-bit microcontroller? An MCU is an integrated circuit containing a processor core, program memory, data memory, I/O ports, and embedded peripherals. The AVR enhanced RISC architecture uses single-clock-cycle instruction execution, allowing the ATTINY4-TSHR to provide useful control throughput in a very small package. In the hierarchy of electronic components, it belongs to the microcontroller, embedded processor, and semiconductor categories.
Key verified features include 512 bytes of Flash memory, 32 bytes of SRAM, a 12 MHz operating frequency, and 8-bit AVR processing. Distributor listings identify the device as a 6-pin SOT-23-6 part and indicate support for 2.5 V, 3.3 V, and 5 V supply variants. Its small package makes it suitable for board-constrained products, but designers should verify the exact electrical limits and pin functions against the manufacturer documentation before layout or firmware release.
The ATTINY4-TSHR is positioned for simple control logic rather than high-throughput embedded processing. Its limited memory footprint favors compact programs, state machines, debounce logic, indicators, and basic timing functions. The device can be evaluated for simple sensor conditioning, low-speed communication, actuator control, and auxiliary system functions where the application does not require large buffers or complex networking.
Typical design work should begin by confirming the supply voltage, oscillator configuration, I/O direction, reset behavior, and programming interface. Because the package has only six pins, pin multiplexing and exposed-pad or programming considerations require careful schematic review. Use the manufacturer datasheet as the authoritative source for pin names, electrical limits, programming requirements, and operating conditions.
A key selection consideration is that ATTINY4-TSHR is a highly constrained MCU with only 512 bytes of Flash and 32 bytes of SRAM. Choose it when the control task is simple and board area is more important than memory capacity or peripheral breadth. For designs needing larger firmware storage, more SRAM, or a broader peripheral set, compare the ATtiny family or another microcontroller family rather than assuming this part can scale.
This page combines verified distributor specifications, manufacturer and datasheet references, application guidance, and same-family comparison information to support practical selection. Confirm the exact orderable configuration, lifecycle status, and current commercial terms with Microchip or an authorized distributor before committing a production design.
Alternatives de remplacement direct pour ATTINY4-TSHR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATTINY4-TSHR (même facteur de forme et même empreinte) — différant par Package, ADC, SRAM, Mounting Type, Flash Memory.
ATTINY5-TSHR
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →ATTINY9-TSHR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATTINY10-TSHR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATTINY4-TS8R
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →ATTINY412-SSF
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →N76E003AT20
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →ATTINY4-TSHR Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit AVR RISC microcontroller |
| Fréquence d'horloge maximale | 12 MHz |
| Program Memory | 512 bytes Flash |
| Program Memory Organization | 256 x 16 words |
| SRAM | 32 bytes |
| Supply Voltage Variants | 2.5 V, 3.3 V, and 5 V |
| Boîtier | 6-pin SOT-23-6 |
| Architecture | AVR enhanced RISC |
| General-Purpose I/O | 12 lines on the ATtiny4 family device |
| Working Registers | 32 general-purpose working registers |
| Timer/Counter | 8-bit timer/counter with two PWM channels on the ATtiny4 family device |
| Type de montage | Surface Mount |
| Programming | In-system programmable Flash |
| Internal Oscillator | 8 MHz calibrated internal oscillator |
| Power Modes | Four software-selectable power modes |
| ADC | Not available on ATTINY4 according to verified comparison data |
Guide de configuration des broches du ATTINY4-TSHR 6-pin sot-23-6
Configuration des broches du ATTINY4-TSHR (boîtier 6-pin sot-23-6). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour ATTINY4-TSHR.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATTINY4-TSHR convient pour 6 applications: Simple Push-Button Control, LED Indicator and Status Control, Simple Sensor Signal Conditioning, Low-Speed Auxiliary Actuator Control, Compact Appliance Control, Factory-Programmable Compact Product.
Simple Push-Button Control
ATTINY4-TSHR fits compact user-interface logic where several push buttons, LEDs, or discrete control signals must be combined in a small board area. The 8-bit AVR core can implement debounce states, press timing, and output-control logic without a larger microcontroller package. Its 512 bytes of Flash and 32 bytes of SRAM encourage table-driven or highly compact firmware, while the 6-pin SOT-23-6 footprint supports dense layouts. The key design check is pin assignment: confirm the exact six-pin mapping, pull-up requirements, and output drive limits in the manufacturer datasheet before finalizing the PCB.
Recommandé
LED Indicator and Status Control
ATTINY4-TSHR is appropriate for centralized LED status logic in compact consumer, appliance, or accessory products. A small AVR program can encode operating states, blink patterns, fault indications, and button-driven status changes while occupying only a six-pin footprint. The device’s limited memory makes fixed-state logic more realistic than buffering or complex animation, and its low-power MCU positioning helps reduce board complexity. Because LED current, supply voltage, and available I/O pins constrain the design, use the verified 12 MHz and 512-byte Flash data only as a starting point and confirm absolute pin and current limits from Microchip documentation.
Recommandé
Simple Sensor Signal Conditioning
ATTINY4-TSHR can supervise discrete sensor signals when the external sensor produces logic-level outputs rather than requiring on-chip ADC conversion. The verified comparison data identifies the absence of an ADC as a key distinction, so analog sensing should be performed by another component or MCU. For thresholded digital sensors, the ATTINY4-TSHR can implement debounce, delay, polarity conversion, fault flags, and simple actuator commands. Keep the firmware within the 512-byte Flash and 32-byte SRAM limits, and account for any sensor pull-ups or level-shifting components in the overall power and board-area budget.
Recommandé
Low-Speed Auxiliary Actuator Control
ATTINY4-TSHR is suitable for small auxiliary actuator functions such as latches, relays, indicators, and simple step sequences where the system does not require high-speed control loops. The 12 MHz maximum clock provides a deterministic execution rate for basic timer-based sequencing, while the small SOT-23-6 package limits PCB footprint. Inductive loads, motor mechanisms, or high-current outputs still require external drivers and protection; the MCU should command those stages through defined logic levels. Confirm the exact I/O voltage, current, and timing limits in the manufacturer datasheet before designing the power stage.
Recommandé
Compact Appliance Control
ATTINY4-TSHR can serve as a compact controller in appliances and small embedded products where the primary requirements are state management, timers, and discrete outputs. Its 512-byte Flash and 32-byte SRAM make it appropriate for tightly scoped control logic, not a full application processor. The AVR architecture and 12 MHz maximum clock support straightforward firmware, while the six-pin package helps reduce board size. Designers should define startup behavior and fail-safe outputs before relying on the MCU, and should verify reset, oscillator, programming, and supply requirements against the exact Microchip documentation for production.
Recommandé
Factory-Programmable Compact Product
ATTINY4-TSHR can be evaluated for products where a factory-programmed controller reduces field configuration requirements or supports a fixed product behavior. The verified Microchip Direct result identifies ATTINY4-TSHR as factory programmable, which is relevant to production provisioning. The design still needs a defined programming fixture, programming protocol, fuse or lock configuration, and test strategy for end-of-line verification. Because the supplied records do not include the exact programming voltage, fuse map, or production timing, these details must be obtained from Microchip before writing a manufacturing procedure.
Recommandé
Données de référence d'ingénierie pour ATTINY4-TSHR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATTINY5-TSHR | ATTINY9-TSHR | ATTINY10-TSHR | ATTINY4-TS8R | N76E003AT20 |
|---|---|---|---|---|---|---|
| Package | 6-pin SOT-23-6 | 6-pin SOT-23-6 | 6-pin SOT-23-6 | 6-pin SOT-23-6 | 6-pin SOT-23-6 | SOT-23-6 package family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
Principaux différenciateurs
- Very small six-pin MCU footprint (vs N76E003AT20)
- Constrained 512-byte Flash target (vs ATTINY10-TSHR)
- Explicit absence of ADC (vs ATTINY5-TSHR)
Notes de conception
Validate the exact supply limits and current consumption for the selected ATTINY4-TSHR orderable variant before powering external loads. The verified listings mention 2.5 V, 3.3 V, and 5 V supply variants, but those snippets do not replace the datasheet’s absolute maximum and operating tables. Keep GPIO loads, pull-ups, LEDs, and sensor bias currents separate from the MCU supply budget, and ensure every connected signal remains within the verified voltage limits.
Design the six-pin SOT-23-6 footprint from the manufacturer mechanical drawing and verify pin numbering against the exact package variant. Because the supplied data confirms the package but does not provide the complete pin map, do not assign nets from distributor images alone. Reserve a programming footprint if the product requires field programming, provide adequate decoupling near the supply pins, and keep the layout compact enough for reliable assembly without violating the manufacturer’s land-pattern guidance.
Do not design analog measurement into the ATTINY4-TSHR based on assumptions from larger ATtiny devices. The verified comparison data identifies the absence of an ADC as a distinguishing feature of ATTINY4. Also treat the 512-byte Flash and 32-byte SRAM limits as hard design constraints. Estimate program and data requirements early, avoid interrupt handlers or buffering features that exceed SRAM, and confirm watchdog, reset, fuse, and power-mode behavior in the manufacturer documentation before firmware release.
Informations de conformité
The supplied verified web data does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for ATTINY4-TSHR. Obtain these confirmations from Microchip or the exact manufacturer datasheet before making compliance claims.
