Details, datasheet, quote on part number: ACE1502
DescriptionACE1502 - Arithmetic Contoller Engine (ACEx) For Ultra-low Voltage Applications
CompanyFairchild Semiconductor
DatasheetDownload ACE1502 datasheet


Features, Applications
ACE1502 Product Family Arithmetic Controller Engine (ACExTM) for Low Power Applications

The ACE1502 (Arithmetic Controller Engine) family of microcontrollers is a dedicated programmable monolithic integrated circuit for applications requiring high performance, low power, and small size. is a fully static part fabricated using CMOS technology. The ACE1502 product family has an 8-bit microcontroller core, 64 bytes of RAM, 64 bytes of data EEPROM and 2K bytes of code EEPROM. Its on-chip peripherals include a multifunction 16-bit timer, a watchdog/idle timer, and programmable undervoltage detection circuitry. On-chip clock and reset functions reduce the number of required external components. The ACE1502 product family is available in 8- and 14-pin SOIC, TSSOP and DIP packages. I Hardware Bit­Coder (HBC) I On-chip oscillator No external components 1µs instruction cycle time +/-2% accuracy I Instruction set geared for block encryption I On-chip Power-on Reset I Programmable read and write disable functions Memory mapped I/O 32-level Low Voltage Detection Brown-out Reset Software selectable I/O option Push-pull outputs with tri-state option Weak pull-up or high impedance inputs Fully static CMOS Low power HALT mode @ 2.7V) Power saving IDLE mode Single supply operation 1.8-3.6V 40 years data retention 1.8V data EEPROM min writing voltage 1,000,000 data changes 8- and 14-pin SOIC, TSSOP and DIP packages In-circuit programming


Arithmetic Controller Engine 2K bytes on-board code EEPROM 64 bytes data EEPROM 64 bytes RAM Watchdog Multi-input wake-up on all eight general purpose I/O pins 16-bit multifunction timer with difference capture

1. 100nf Decoupling capacitor recommended 2. Available only in the 14-pin package option
Brown-out Reset/Low Battery Detect HALT & IDLE Power Saving Modes 12-bit Timer0 with Watchdog Timer
GPORT general purpose I/O with multiinput wakeup

ACE1502 core (4 interrupt sources and vectors) 16-bit Multi-function Timer1 with Difference Capture Hardware Bit-Coder Programming Interface 2K bytes of Code EEPROM 64 bytes of RAM 64 bytes of Data EEPROM

Figure 2. ACEx Application Example (Remote Keyless Entry)

Figure ACE1502 8-pin SOIC and DIP Device Pinout a) Normal Mode Operation b) Programming Mode Operation

Figure ACE1502 8-pin TSSOP Device Pinout a) Normal Mode Operation b) Programming Mode Operation

Figure ACE1502 14-pin SOIC, TSSOP and DIP Device Pinout a) Normal Mode Operation b) Programming Mode Operation

Ambient Storage Temperature Input Voltage Lead Temperature (10s max) Electrostatic Discharge on all pins -0.3V to VCC +300°C 2000V min

Relative Humidity (non-condensing) 95% EEPROM write limits See DC Electrical Characteristics
All measurements are valid for ambient operating temperature unless otherwise stated. Symbol
Suppy Current - no data EEPROM 1.8V write in progress 2.7V 3.6V HALT Mode current
IDLE Mode current EEPROM write voltage

1.8V 3.6V Code EEPROM in Programming Mode Data EEPROM in Operating Mode 1.8 1µs/V Vcc - 3.6V Vcc < 2.2V

Power Supply Slope Input Low with Schmitt Trigger buffer

Input High with Schmitt Trigger buffer Input Pull-up Current Tri-State Leakage Output Low Voltage: G6, G7 Output Low Voltage: G6, G7

Output High Voltage: G6, G7 Output High Voltage: G6, G7

3. Icc active current is dependant on the program code. 4. Based on a continuous IDLE looping program.


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