MAXQ1850 Datasheet, PDF (1/3 Pages) Maxim Integrated Products – Secure Cryptographic Controller with Rapid Zeroization Technology

ABRIDGED DATA SHEET
Rev 0; 1/09
EVAALVUAAILTAIOBNLEKIT
Secure Cryptographic Controller
with Rapid Zeroization Technology
General Description
The MAXQ1850 is a low-power, 32-bit RISC device
designed for electronic commerce, banking, and data
security systems. It combines high-performance, single-
cycle processing, sophisticated tamper-detection technol-
ogy, and advanced cryptographic hardware to provide
industry-leading data security and secret key protection.
Physical security mechanisms include environmental
sensors that detect out of range voltage or temperature
conditions, responding with an instantaneous zeroiza-
tion of critical data. Four self-destruct inputs are provid-
ed for additional tamper response. An internal shield
over the silicon provides protection from microprobe
attacks. A high-speed internal ring oscillator is provided
to thwart attacks that rely on controlling the clock rate of
the chip. To protect data, the MAXQ1850 integrates sev-
eral high-speed, analysis-resistant encryption engines.
Algorithms supported in hardware include AES (128-,
192-, and 256-bit), DES, triple DES (2-key and 3-key),
ECDSA (160-, 192-, and 256-bit keys), DSA, RSA (up to
2048 bits), SHA-1, SHA-224, and SHA-256. The
advanced security features of the MAXQ1850 are
designed to meet the stringent requirements of regula-
tions such as ITSEC E3 High, FIPS 140-2 Level 3, and
the Common Criteria certifications.
The MAXQ1850 includes 256KB of flash memory and
8KB of secure, battery-backed data SRAM. Several
communication protocols are supported with hardware
engines, including ISO 7816 for smart card applications,
USB (slave interface with four end-point buffers), an RS-
232 universal synchronous/asynchronous receiver-
transmitter (USART), an SPI™ interface (master or slave
mode support), and up to 16 general-purpose I/O pins.
Other peripherals supported on the MAXQ1850 include
a true hardware random-number generator (RNG), a
real-time clock (RTC), a programmable watchdog timer,
and flexible 16-bit timers that support capture, compare,
and pulse-width modulation (PWM) operations.
Electronic Commerce
EMV™ Banking
Secure Access Control
Secure Data Storage
Applications
Pay-per-Play
Certificate Authentication
Electronic Signature
Generation
Features
♦ High-Performance, Low-Power, 32-Bit MAXQ30
RISC Core
♦ Single 3.3V Supply Enables Low Power/Flexible
Interfacing
♦ DC to 16MHz Code Execution Across Entire
Operating Range
♦ Up to 65MHz Cryptography Engine Execution to
Reduce Processing Time
♦ On-Chip 2x/4x Clock Multiplier
♦ 33 Instructions
♦ 16-Bit Instruction Word, 32-Bit Internal Data Bus
♦ 16 x 32-Bit Accumulators
♦ Up to 16 General-Purpose I/O Pins
♦ 5V Tolerant I/O
♦ Virtually Unlimited Software Stack
♦ Optimized for C-Compiler (High-Speed/Density Code)
♦ Memory Features
♦ Security Features
♦ Additional Peripherals
♦ Low-Power Consumption
See the Detailed Features section for complete list of features.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAXQ1850-BNS+
0°C to +70°C
40 TQFN-EP*
Note: A chip-scale BGA (CSBGA) version of the MAXQ1850 is
in development. Contact the factory for more information.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Pin Configuration and Selector Guide appear at end of data
sheet.
EMV is a trademark owned by EMVCo LLC.
SPI is a trademark of Motorola, Inc.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be
simultaneously available through various sales channels. For information about device errata, go to: www.maxim-ic.com/errata.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.