Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Development Boards, Kits, Programmers > Programming Adapters, Sockets

Silicon Labs C8051T606ZDB

Name: C8051T606ZDB
Brand: Silicon Labs
SKU: C8051T606ZDB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: C8051T606ZDB

Manufacturer:: Silicon Labs

Category:: Programming Adapters, Sockets

Package:

Datasheet:: C8051T606ZDB.pdf

Description:: CARD DAUGHTER QFN10 SOCKET

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,752

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

C8051T606ZDB from Silicon Laboratories is a mixed-signal, byte-programmable EPROM microcontroller featuring an enhanced 8051 core, 1.5 kB on-chip EPROM, 128 bytes RAM, 2×16-bit timers, PCA with PWM and capture/compare, hardware SMBus and UART, and 8-port I/O. It operates from 1.8–3.6 V, supports –40 to +85 °C, and targets compact sensor interface and low-power embedded control.

For engineers reviewing the C8051T606ZDB datasheet, C8051T606ZDB pinout, C8051T606ZDB application, or C8051T606ZDB equivalent, key selection criteria include its QFN10 package, absence of integrated ADC (unlike T600/T602/T604), MSOP10/SOIC14-compatible pin mapping, and support for crystal-less UART via ±2% internal oscillator.

Technical Context

The C8051T606ZDB implements the CIP-51 8051-compatible core with pipelined execution-70% of instructions complete in 1–2 system clocks-and delivers up to 25 MIPS at 25 MHz. Its digital peripheral set includes three 16-bit counter/timers, a programmable counter array (PCA) supporting 8/16-bit PWM, edge-triggered capture, frequency output, and watchdog timer mode.

Power management includes Idle and Stop modes; supply regulation uses an on-chip LDO with VDD monitor reset and missing-clock detector. The device lacks the 10-bit ADC and temperature sensor found in T600/T602/T604 variants, confirming its role as a cost-optimized, analog-minimized MCU variant within the T60x family.

Key Specifications

Parameter	Value and Actual Design Meaning
Core	Enhanced 8051 (CIP-51); executes most instructions in 1–2 clocks for deterministic real-time response
EPROM Size	1.5 kB byte-programmable EPROM; enables field updates without external memory
RAM	128 bytes internal data RAM; sufficient for small control stacks and peripheral register buffering
Max Clock	25 MHz system clock; supports 25 MIPS throughput for time-critical firmware loops
Supply Range	1.8–3.6 V; compatible with single-cell Li-ion, coin cell, or regulated 3.3 V rails
Temp Range	–40 to +85 °C; qualified for industrial and automotive under-hood ambient environments
I/O Pins	8 programmable port pins with high sink current; drives LEDs, relays, or logic-level MOSFETs directly
Serial Interfaces	Hardware UART0 and SMBus™; enables sensor networking and host communication without bit-banging

Pinout & Package

Package: 2 × 2 mm, 10-pin QFN (ZDB suffix per ordering guide). Exposed thermal pad improves power dissipation in space-constrained PCB layouts.

Pin/Terminal	Circuit Role	Design Meaning
VDD	Core & I/O supply	1.8–3.6 V input; powers all digital logic and I/O drivers
GND	Ground reference	Common return path for analog and digital sections; must be low-impedance
P0.0 / CEX0	Port 0.0 / PCA Channel 0	Digital I/O or PCA capture/compare output; supports PWM generation or event timing
P0.1 / CEX1	Port 0.1 / PCA Channel 1	Digital I/O or PCA capture/compare output; enables dual-channel PWM or frequency measurement
P0.2 / TX0	Port 0.2 / UART0 TX	UART transmit output; drives RS-232 level shifters or 3.3 V logic receivers
P0.3 / RX0	Port 0.3 / UART0 RX	UART receive input; accepts TTL/CMOS-level serial data
P0.4 / SCL	Port 0.4 / SMBus Clock	SMBus clock line; open-drain output with internal pull-up; requires external pull-up for bus operation
P0.5 / SDA	Port 0.5 / SMBus Data	SMBus data line; open-drain output with internal pull-up; shares bidirectional bus arbitration
C2CK / XTAL2	C2 debug clock / ext. oscillator	Shared pin for C2 programming clock or external crystal/capacitor connection
C2D / XTAL1	C2 debug data / ext. oscillator	Shared pin for C2 bidirectional debug I/O or external oscillator input

Key Features

Feature	Design Value
Crystal-less UART operation	Internal 24.5 MHz oscillator with ±2% accuracy eliminates need for external crystal in UART applications
On-chip LDO regulator	Stabilizes core voltage across VDD variation; enables stable operation from unregulated battery sources
Full-speed in-system debug	C2 interface supports non-intrusive breakpoints, register inspection, and memory modification during live operation
Flexible clock switching	Runtime selection between internal oscillator and external source enables dynamic power/performance trade-offs
Hardware SMBus compliance	Meets SMBus 2.0 electrical and protocol requirements including timeout, arbitration, and clock stretching
PCA-based PWM generation	16-bit resolution PWM with independent duty cycle and period control; suitable for motor speed or LED dimming

Applications

Industrial Sensor Node	Smart Thermostat Interface
Use Scenario: Battery-powered temperature/humidity node transmitting data over SMBus to HVAC controller. IC Role / Device Role / Timing Role: Primary MCU managing sensor reads, SMBus packet assembly, and low-power sleep/wake cycles. Use Value: 1.8 V minimum supply and Stop mode current <1 μA extend battery life beyond 5 years on CR2032.	Use Scenario: Local display and button interface for residential thermostat with remote communication via UART. IC Role / Device Role / Timing Role: User-interface controller handling keypad scan, LCD drive, and UART command parsing. Use Value: Hardware UART with enhanced baud rate generator ensures reliable 9600–115.2k communication with legacy HVAC modules.
LED Lighting Dimmer	IoT Edge Controller
Use Scenario: Standalone 0–10 V or PWM dimmer module controlling commercial LED drivers. IC Role / Device Role / Timing Role: PWM signal generator with precise 16-bit period/duty control and thermal derating logic. Use Value: PCA-based 16-bit PWM provides >65,000-step dimming resolution without CPU overhead.	Use Scenario: Gateway node aggregating BLE/Zigbee sensor data and forwarding via UART to Wi-Fi module. IC Role / Device Role / Timing Role: Protocol bridge translating short-packet sensor data into UART frames for upstream transmission. Use Value: SMBus slave + UART dual-serial capability enables concurrent local sensor bus and cloud uplink without external bridging IC.

Industrial Sensor Node

Smart Thermostat Interface

Use Scenario: Battery-powered temperature/humidity node transmitting data over SMBus to HVAC controller.

IC Role / Device Role / Timing Role: Primary MCU managing sensor reads, SMBus packet assembly, and low-power sleep/wake cycles.

Use Value: 1.8 V minimum supply and Stop mode current <1 μA extend battery life beyond 5 years on CR2032.

Use Scenario: Local display and button interface for residential thermostat with remote communication via UART.

IC Role / Device Role / Timing Role: User-interface controller handling keypad scan, LCD drive, and UART command parsing.

Use Value: Hardware UART with enhanced baud rate generator ensures reliable 9600–115.2k communication with legacy HVAC modules.

LED Lighting Dimmer

IoT Edge Controller

Use Scenario: Standalone 0–10 V or PWM dimmer module controlling commercial LED drivers.

IC Role / Device Role / Timing Role: PWM signal generator with precise 16-bit period/duty control and thermal derating logic.

Use Value: PCA-based 16-bit PWM provides >65,000-step dimming resolution without CPU overhead.

Use Scenario: Gateway node aggregating BLE/Zigbee sensor data and forwarding via UART to Wi-Fi module.

IC Role / Device Role / Timing Role: Protocol bridge translating short-packet sensor data into UART frames for upstream transmission.

Use Value: SMBus slave + UART dual-serial capability enables concurrent local sensor bus and cloud uplink without external bridging IC.

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
C8051T606-GM	Same die, QFN11 package (3×3 mm); adds one unused pin (P0.6) vs. ZDB's QFN10	Requires larger PCB footprint and different land pattern; no functional advantage for pin-constrained designs	Select C8051T606ZDB when board area is limited and all 8 I/Os are sufficient.
C8051T606-GT	Same die, MSOP10 package; identical pinout mapping but different mechanical form factor	Compatible with through-hole or fine-pitch reflow assembly; higher thermal resistance than QFN	Choose C8051T606-GT for prototyping or manual soldering where QFN rework is impractical.

Compared with C8051T606-GM and C8051T606-GT, the C8051T606ZDB offers the smallest footprint (2×2 mm QFN10) while retaining full electrical and firmware compatibility-ideal for ultra-compact consumer and medical devices where PCB real estate is critical.

Availability

C8051T606ZDB is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat interfaces, LED lighting dimmers, and IoT edge controllers requiring stable component supply and long-term manufacturability.

Supply support for C8051T606ZDB 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

Silicon Laboratories is a fabless semiconductor company specializing in mixed-signal ICs for timing, MCU, wireless, and sensor applications, with design centers in Austin, Boston, and Munich.

The C8051T606ZDB belongs to the C8051T60x EPROM MCU family, engineered for cost-sensitive, space-constrained embedded systems needing robust serial communication, low-voltage operation, and debug-ready firmware development.

FAQ

Does the C8051T606ZDB include an analog-to-digital converter (ADC)?

No, the C8051T606ZDB does not integrate a 10-bit ADC. Unlike the C8051T600/T602/T604 variants, the C8051T606ZDB omits the ADC0 peripheral and built-in temperature sensor-confirmed in Section 9 and Table 2.1 of the Rev. 1.3 datasheet. Designers requiring analog sensing must add external ADCs or select a T600-series variant.

What debug interface does the C8051T606ZDB support?

The C8051T606ZDB supports the 2-wire C2 debug interface using dedicated C2CK and C2D pins (shared with XTAL1/XTAL2). This enables full-speed, non-intrusive in-system debugging-including breakpoints, register inspection, and memory modification-without requiring additional JTAG hardware or pins.

Can the C8051T606ZDB operate without an external crystal?

Yes, the C8051T606ZDB can operate without an external crystal. Its internal 24.5 MHz oscillator achieves ±2% accuracy across voltage and temperature, enabling reliable crystal-less UART communication-a feature explicitly validated in Section 21.2 and Figure 8.2 of the datasheet.

What is the maximum operating frequency of the C8051T606ZDB?

The C8051T606ZDB supports a maximum system clock frequency of 25 MHz, delivering up to 25 MIPS throughput. This is specified in Section 14.1.1 (Instruction and CPU Timing) and confirmed by timing diagrams in Figures 25.1–25.5 for timer operation at full speed.

Is the C8051T606ZDB pin-compatible with other T60x variants?

The C8051T606ZDB shares identical pin functions with C8051T606-GM (QFN11) and C8051T606-GT (MSOP10) on its 10 active pins, but differs mechanically: ZDB uses QFN10 (2×2 mm), GM uses QFN11 (3×3 mm), and GT uses MSOP10. No pinout conflict exists among these C8051T606 variants.

C8051T606ZDB Specifications

Product attributes: Attribute value

Manufacturer:: Silicon Labs

Series:: -

Packaging:: Box

Product Status:: Obsolete

Module/Board Type:: Socket Module - QFN

For Use With/Related Products:: C8051T606

C8051T606ZDB FAQ

1.How can I place an order for C8051T606ZDB through Aetrix?

Please submit a Request for Quotation (RFQ) for C8051T606ZDB 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 C8051T606ZDB reliable?

The price and inventory of C8051T606ZDB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for C8051T606ZDB is usually 5 days.

3.What payment methods are accepted for C8051T606ZDB?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for C8051T606ZDB transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for C8051T606ZDB?

C8051T606ZDB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your C8051T606ZDB 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 C8051T606ZDB?

For technical support, including C8051T606ZDB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your C8051T606ZDB requirements.

6.How does Aetrix verify that C8051T606ZDB is sourced from the original manufacturer or authorized distributors?

All C8051T606ZDB 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 C8051T606ZDB meets industry standards.

7.What is the process for return or replacement of C8051T606ZDB?

All C8051T606ZDB units undergo pre-shipment inspection (PSI). If there is an issue with C8051T606ZDB, 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 C8051T606ZDB part is unused and in its original packaging.

Return procedure for C8051T606ZDB:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-11 Comparator Circuit: Voltage Thresholds, Op-Amp Differences, LM393 and Practical Design

Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.

2026-09-10 Schmitt Trigger Explained: Hysteresis, Circuits, Inverters and Applications

Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…

2026-09-09 Counterfeit Electronic Components: How to Detect, Authenticate, and Test Suspect Parts

Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …

2026-09-08 Obsolete Electronic Components: How to Source and Evaluate Replacements

A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.

2026-09-07 TTL vs CMOS Logic Levels: 74HC and 74HCT Compatibility Explained

TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.

2026-09-04 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-02 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …