| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
8 pcs
|
8 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Watchdog Timer |
The AT89C51AC3-SLSUM is an 8-bit microcontroller based on the 80C51 core architecture from Atmel. It features 64KB of on-chip Flash program memory with 100,000 write/erase cycles endurance, 2KB of EEPROM, and 2.25KB of RAM (256 bytes conventional + 2KB ERAM). The device operates at a maximum clock frequency of 60 MHz for internal code execution at 4.5V to 5.5V supply, and supports standard mode up to 40 MHz.
For analog interfacing, it includes a 10-bit successive approximation ADC with 8 multiplexed channels. Other integrated peripherals include five PWM channels from a 16-bit PCA, a full-duplex UART, three 16-bit timers/counters, a 21-bit watchdog timer with 7 programmable bits, and a power-on reset (POR) circuit. The microcontroller supports 14 interrupt sources with 4 priority levels.
The device is packaged in a 44-lead PLCC (J-Lead) package for surface-mount assembly. It operates over the industrial temperature range of -40°C to 85°C and requires a supply voltage between 3V and 5.5V. This combination of memory, analog, and control peripherals makes it suitable for embedded control applications.
3V to 5.5V.
44-PLCC (J-Lead) package.
-40°C to 85°C (industrial).
It is listed as RoHS3 compliant, but this status is unverified.
60 MHz for internal code execution at 4.5V to 5.5V; 40 MHz standard mode for external code execution.
64KB (64K x 8).
Yes, a 10-bit SAR ADC with 8 multiplexed input channels.