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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 44QFN
- Series：73S12xx
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,Tube
- Core Processor：80515
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, SmartCard, UART/USART
- Peripherals：LED, POR, WDT
- Number of I/O：9
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：44-QFN (7x7)
- Package / Case：44-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The 73S1209F is a System-on-Chip device designed for smart card reader applications, functioning as a UART to ISO-7816 / EMV bridge. It integrates an 80515 high-performance core with up to 24MHz clock speed and 24MIPS processing power. The IC includes 32KB Flash program memory, 2KB user XRAM, and 256B IRAM. It supports dual power supplies: 2.7V to 3.6V digital (VDD) and 4.75V to 5.5V analog (VPC). Communication interfaces include a full-duplex serial UART (1200bps to 115kbps), I2C Master (400kbps), and a built-in ISO-7816 interface compliant with EMV 4.1.
Feature Summary
- Built-in ISO-7816 / EMV interface with linear regulator generating VCC for smart cards
- Integrated 80515 CPU core providing hardware watchdog timer and multiple interrupt sources
- Supports multi-card slot expansion via I2C interface driving external Teridian 73S8010x ICs
- Includes 5x6 PINpad interface, 9 user I/Os, LED outputs, and analog voltage input
Applications
- UART to ISO-7816 / EMV Bridges
- PINpad smart card readers for POS terminals and secure login
- SIM Readers in telecom and personal wireless devices
- Payphones and vending machines
Procurement Notes
Verify the specific package variant required, as the datasheet lists both 68-pin QFN and 44-pin QFN options. Confirm that the embedded firmware meets your application's security requirements or determine if custom development using the provided ANSI C-language libraries is necessary. Ensure the host system provides the specified dual power supply voltages for proper operation.
Selection Notes
Select this component when a complete smart card reader solution is needed without extensive discrete logic. It is suitable for applications requiring EMV 4.1 compliance and low-cost integration. Consider the available turnkey PC/SC and CCID firmware if rapid certification is required. Verify that the target environment supports the operating temperature range of -40°C to +85°C.
Part Context
Manufactured by Teridian Semiconductor Corporation, which was acquired by Maxim Integrated and is now part of Analog Devices Inc. The 73S1209F belongs to the 73S12xxF family of smart card controllers. It serves as a self-contained solution for bridging asynchronous serial interfaces to smart card protocols, simplifying system integration for manufacturers.
Replacement Considerations
Consult the datasheet for related documentation regarding the broader 73S12xxF family. No direct public substitute part numbers are confirmed in the provided source material.
