AVR128DB28T-I/SS

Microchip Technology · AVR® DB Series

Microchip AVR® DB series AVR128DB28T-I/SS, 8-bit AVR MCU, 128KB Flash, 16K x 8 RAM, 24MHz, 23 I/O, 28-SSOP, -40°C to 85°C, 1.8V to 5.5V.

Microchip Technology AVR128DB28T-I/SS
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MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

AVR128DB28T-I/SS specifications
Parameter / AttributeSpecification / Value
SeriesAVR® DB
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 5.5V
Operating temperature-40°C~85°C(TA)
Speed24MHz
PackageTape & Reel (TR); Cut Tape (CT)
RAM size16K x 8
Core size8-Bit
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityI²C, SPI, UART/USART
Number of i (O)23
Core processorAVR
Case28-SSOP (0.209\", 5.30mm Width)
Data convertersA/D 10x12b; D/A 1x10b
Program memory size128KB (128K x 8)

Technical details

It runs at 24 MHz, giving you enough throughput for sensor fusion, motor control loops, or communication protocol handling without breaking the power budget.

Peripherals and connectivity for embedded control

The 23 general-purpose I/O pins in the 28-SSOP package give reasonable headroom for a mix of inputs, outputs, and serial lines. Built-in brown-out detection, POR, and a watchdog timer reduce the external supervisor IC count. The internal oscillator means you can bring up a basic design without an external crystal, though the clock accuracy may limit high-precision timing applications.

It's ROHS3 compliant, so no exemption paperwork for EU markets.

AVR128DB28T-I/SS
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