NXP Semiconductors A7101CGHN1/T0B0406
- Part No.:
- A7101CGHN1/T0B0406
- Manufacturer:
- NXP Semiconductors
- Category:
- Application Specific Microcontrollers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
A7101CGHN1/T0B0406.pdf
- Description:
- SECURE AUTHENTICATION MICROCONTR
- Quantity:
- Payment:

- Shipping:

Inventory:1,596
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Product details
Overview
A7101CGHN1/T0B0406 from NXP Semiconductors is a Plug & Trust Secure Element IC implementing Java Card OS and preloaded IoT security applet, supporting I²C Fast-Mode (400 kbit/s), ECC NIST P-256 key pair management, and secure credential storage for root-of-trust in embedded IoT devices. It operates from −25 °C to +85 °C and uses WLCSP12 packaging.
For engineers reviewing the A7101CGHN1/T0B0406 datasheet, A7101CGHN1/T0B0406 pinout, A7101CGHN1/T0B0406 application, or A7101CGHN1/T0B0406 equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in cloud-connected industrial sensors and IP cameras, and confirmed alternative secure elements with documented functional and interface differences.
Technical Context
The A7101CGHN1/T0B0406 implements Smartcard I²C (SCI²C) protocol over standard I²C physical layer, using SMBus-based network layer and ISO/IEC 7816-4 APDU mapping. It supports two I²C slave addresses (0x90/0x92) selected via IF0/IF1 pins at power-on.
It integrates a dedicated MX51 security CPU, EEPROM with 500,000 write cycles and 25-year data retention, and hardware countermeasures against SPA/DPA per Cryptography Research license. Power modes include SLEEP (40–80 µA typ.) and DEEP SLEEP (10 µA max) activated via RST_N.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| I²C Interface | Slave-mode Fast-Mode up to 400 kbit/s; SCI²C protocol with ISO/IEC 7816-4 APDU mapping |
| Operating Temperature | −25 °C to +85 °C - validated for consumer and industrial ambient conditions |
| Cryptographic Support | ECC NIST P-256 key pairs (4), public keys (3), symmetric secrets (8 × 128-bit), ECDSA/ECDH, HMAC-SHA256, HKDF |
| Memory | EEPROM: 500,000 program/erase cycles, 25-year data retention at +55 °C |
| Power Consumption | Deep Sleep: ≤10 µA at 25 °C; Sleep: 40–80 µA typ.; active ECC coprocessor: 7.5 mA (1.8 V mode) |
| Security Features | Java Card OS v3.0.5, transport lock, SCP03 secure channel, monotonic counters (2 × 32-bit), unique 18-byte chip ID |
| Package | WLCSP12 - wafer-level chip-scale package, 0.5 mm ball pitch, footprint optimized for space-constrained IoT nodes |
Pinout & Package
Package: WLCSP12 (ball pitch 0.5 mm, dimensions per Figure 8 in Rev. 1.2 datasheet). Thermal pad not present; balls A1, B1, B3, C1 are unconnected internally.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A2 (VSS) | Ground reference | Primary ground connection; must be low-impedance to ensure stable operation and noise immunity |
| A3 (I²C_SCL) | I²C clock input | Open-drain input requiring external pull-up; synchronizes all I²C transactions with host |
| A4 (I²C_SDA) | I²C bidirectional data line | Open-drain bidirectional line; carries APDU commands/responses and encrypted payloads |
| B2 (VCC) | Supply voltage input | Accepts 1.62–1.98 V (1.8 V mode) or 2.5–3.6 V (3.3 V mode); decoupling capacitor required |
| B4 (IF1) | I²C address selection | Configures slave address to 0x90 (IF0=high, IF1=low) or 0x92 (both high) at power-on reset |
| C2 (i.c.) | Internally connected | Must be connected to ground on PCB for proper internal biasing and ESD protection |
| C3 (RST_N) | Active-low reset input | Pull low ≥500 µs to enter DEEP SLEEP; falling edge on SDA wakes from SLEEP mode |
| C4 (IF0) | Interface activation control | High at power-on enables I²C interface; determines boot-time address configuration with IF1 |
Key Features
| Feature | Design Value |
|---|---|
| Preloaded IoT Applet | Enables immediate secure cloud onboarding without custom applet development or provisioning infrastructure |
| SCP03 Secure Channel | Supports GlobalPlatform-compliant encrypted communication between host and secure element for key injection |
| Transport Lock Mechanism | Hardware-enforced lockdown prevents unauthorized access during logistics; requires explicit unlock command |
| Monotonic Counters (2×32-bit) | Immutable counters for anti-cloning, firmware update validation, and usage metering in certified deployments |
| OTP-like Credential Freezing | Irreversible locking of keys and certificates after provisioning - meets regulatory requirements for tamper-evident trust anchors |
Applications
| Secure Cloud Onboarding | Device Authentication |
|---|---|
Use Scenario: Provisioning IoT edge devices (e.g., smart thermostats) for AWS IoT Core or Azure IoT Hub with zero-touch enrollment. IC Role / Device Role / Timing Role: Root-of-trust anchor performing ECDSA signature generation and secure key exchange during TLS handshake. Use Value: Eliminates manual certificate injection; reduces time-to-cloud from hours to seconds while preventing credential leakage. |
Use Scenario: Mutual authentication between industrial gateways and field sensors in predictive maintenance networks. IC Role / Device Role / Timing Role: Secure element authenticating sensor identity via stored public keys and challenge-response ECDSA verification. Use Value: Prevents spoofed sensor data injection; ensures only authorized devices join the operational network. |
| Anti-Counterfeiting | Secure Firmware Updates |
Use Scenario: Verifying authenticity of replacement modules in medical infusion pumps or automotive ECUs. IC Role / Device Role / Timing Role: Storing immutable device origin proof (e.g., manufacturer-signed certificate chain) accessible via secure channel. Use Value: Blocks counterfeit components by cryptographically binding hardware identity to OEM signing keys. |
Use Scenario: Validating signed firmware images before loading into microcontrollers in home appliances. IC Role / Device Role / Timing Role: Performing HMAC-SHA256 verification of firmware hash using protected symmetric secrets. Use Value: Ensures firmware integrity and authenticity without exposing secret keys to host MCU memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure element applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ATECC608A-TFLXT | Uses I²C (400 kHz) but lacks Java Card OS; relies on Microchip CryptoAuthentication library instead of standardized APDU stack | Requires host-side crypto library integration; less suitable for GP-compliant ecosystems like IBM Watson IoT | Select when cost sensitivity outweighs need for Java Card interoperability and SCP03 support |
| SLB9670VQ2.0 | TPM 2.0 compliant with SPI interface; larger HVQFN32 package; no WLCSP option | Targets PC-class platforms with BIOS/UEFI integration; unsuitable for ultra-compact battery-powered nodes | Select for systems requiring full TPM 2.0 feature set and existing SPI-based trusted computing infrastructure |
Compared with A7101CGHN1/T0B0406, the ATECC608A-TFLXT offers lower unit cost but demands more host software effort and lacks transport lock or monotonic counters, while the SLB9670VQ2.0 provides broader standards compliance at the expense of size, power, and interface compatibility.
Availability
A7101CGHN1/T0B0406 is available at Aetrix Electronics and suitable for secure cloud onboarding, device authentication, anti-counterfeiting, and secure firmware updates requiring stable component supply across industrial IoT, smart home, and medical device production programs.
Supply support for A7101CGHN1/T0B0406 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
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in embedded security and trusted execution environments.
The A71CH product line delivers plug-and-play secure elements targeting resource-constrained IoT endpoints needing certified root-of-trust, cryptographic acceleration, and seamless integration with cloud platforms like AWS IoT and IBM Watson.
FAQ
What is the primary security function of the A7101CGHN1/T0B0406?
The A7101CGHN1/T0B0406 serves as a certified root-of-trust secure element, providing hardware-isolated storage and cryptographic operations for ECC NIST P-256 key pairs, ECDSA signatures, ECDH key agreement, and secure credential provisioning. Its Java Card OS and SCP03 support enable standardized, tamper-resistant authentication in cloud-connected devices - a core capability of the A7101CGHN1/T0B0406.
Does the A7101CGHN1/T0B0406 support both 1.8 V and 3.3 V operation?
Yes, the A7101CGHN1/T0B0406 supports dual-voltage operation: 1.62–1.98 V (1.8 V mode) and 2.5–3.6 V (3.3 V mode), with corresponding current consumption profiles. The device automatically adapts its internal logic and I/O thresholds based on applied VDD, enabling flexible integration into battery-powered or mains-powered designs - a key specification of the A7101CGHN1/T0B0406.
How is the I²C address configured on the A7101CGHN1/T0B0406?
The A7101CGHN1/T0B0406 uses IF0 and IF1 pins to select one of two I²C slave addresses (0x90 or 0x92) at power-on reset, per Table 8 in the datasheet. These pins must remain stable for ≥500 µs after POR. No software reconfiguration is possible post-boot - this fixed hardware-based addressing ensures deterministic bus behavior for the A7101CGHN1/T0B0406.
What package type does the A7101CGHN1/T0B0406 use, and what are its board-level implications?
The A7101CGHN1/T0B0406 uses WLCSP12 packaging - a 0.5 mm pitch, 12-ball wafer-level chip-scale package with minimal footprint and thermal profile. This enables direct mounting on dense PCBs for space-constrained IoT nodes, though it requires precision soldering and careful grounding of the i.c. (C2) ball to VSS - a critical layout requirement for reliable A7101CGHN1/T0B0406 operation.
Can the A7101CGHN1/T0B0406 be used for secure boot in microcontroller-based systems?
Yes, the A7101CGHN1/T0B0406 supports secure boot via its protected key storage and ECDSA signature verification capabilities. Host MCUs can offload signature validation of bootloader images to the A7101CGHN1/T0B0406 using the IoT applet's APDU commands, ensuring boot integrity without exposing private keys - a validated use case for the A7101CGHN1/T0B0406 in industrial and medical firmware stacks.
A7101CGHN1/T0B0406 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Applications:
- Authentication
- Core Processor:
- MX51
- Program Memory Type:
- EEPROM (20kB)
- Controller Series:
- A710x
- RAM Size:
- -
- Interface:
- I2C
- Number of I/O:
- -
- Voltage - Supply:
- 1.62V ~ 3.6V
- Operating Temperature:
- -25°C ~ 90°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-HVQFN (5x5)
A7101CGHN1/T0B0406 FAQ
1.How can I place an order for A7101CGHN1/T0B0406 through Aetrix?
Please submit a Request for Quotation (RFQ) for A7101CGHN1/T0B0406 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 A7101CGHN1/T0B0406 reliable?
The price and inventory of A7101CGHN1/T0B0406 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for A7101CGHN1/T0B0406 is usually 5 days.
3.What payment methods are accepted for A7101CGHN1/T0B0406?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for A7101CGHN1/T0B0406 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for A7101CGHN1/T0B0406?
A7101CGHN1/T0B0406 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your A7101CGHN1/T0B0406 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 A7101CGHN1/T0B0406?
For technical support, including A7101CGHN1/T0B0406 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your A7101CGHN1/T0B0406 requirements.
6.How does Aetrix verify that A7101CGHN1/T0B0406 is sourced from the original manufacturer or authorized distributors?
All A7101CGHN1/T0B0406 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 A7101CGHN1/T0B0406 meets industry standards.
7.What is the process for return or replacement of A7101CGHN1/T0B0406?
All A7101CGHN1/T0B0406 units undergo pre-shipment inspection (PSI). If there is an issue with A7101CGHN1/T0B0406, 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 A7101CGHN1/T0B0406 part is unused and in its original packaging.
Return procedure for A7101CGHN1/T0B0406:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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