ATMEGA88V-10MU - 8KB AVR MCU, 10MHz, 1.8-5.5V | Microchip
MPN: ATMEGA88V-10MU ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.18 | $218.00 |
| 500 | $1.86 | $930.00 |
| 1,000 | $1.62 | $1,620.00 |
ATMEGA88V-10MU Overview
An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most of its 131 powerful instructions in a single clock cycle, positioning the ATmega family in the embedded MCU hierarchy between tiny ATtiny parts and larger ATmega128/2560 devices. MCUs of this class integrate CPU, program memory, data memory, timers, and peripherals on a single die, replacing multi-chip solutions in cost-sensitive embedded designs.
Key features include picoPower low-power technology with multiple sleep modes, read-while-write FLASH capability, three flexible timer/counters, a 10-bit ADC, and 32 general-purpose working registers tightly coupled to the ALU for high code density and C-friendly performance.
Technically, the device uses the AVR enhanced RISC pipeline with single-cycle instruction execution; the wide 1.8V to 5.5V V-range (the V suffix grade) enables direct operation from two alkaline cells, a 3.3V rail, or a 5V industrial bus without a regulator change. Programming is via In-Circuit Serial Programming (ICSP) using two I/O pins plus reset, supported by MPLAB SNAP and legacy AVR ISP tools.
Typical applications include battery-powered sensor nodes, home automation and IoT end nodes, industrial control panels, and consumer appliance interfaces, where the low-voltage grade and 10 MHz ceiling trade peak speed for reliable wide-supply operation.
Design consideration: the V grade is limited to 10 MHz; if your system runs at 16-20 MHz or 5V with aggressive timing, select the ATMEGA88PA or ATMEGA88-20 drop-in variants in the same 32-VQFN footprint instead.
This page synthesizes verified distributor specifications, same-footprint drop-in alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for ATMEGA88V-10MU — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATMEGA88V-10MU (same form factor and footprint) — differing in Package, Supply Voltage Range, Mounting Type, ADC, EEPROM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATMEGA88PV-10MUR
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →ATMEGA88-20MU
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →ATMEGA88PA-CCUR
✅ Drop-In✓ In Stock
$1.08 / Unit
View Datasheet →ATMEGA88V-10MU Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit AVR RISC |
| Program Memory Size | 8KB (4K x 16) FLASH |
| EEPROM Size | 512B |
| SRAM Size | 1KB (1K x 8) |
| Maximum Clock Speed | 10 MHz |
| Supply Voltage Range | 1.8V to 5.5V |
| Number of I/O Lines | 23 |
| General Purpose Working Registers | 32 |
| Timers/Counters | 3 (two 8-bit, one 16-bit) |
| ADC | 10-bit |
| Package | 32-VQFN (5x5 mm), MLF with exposed pad |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP (2 I/O pins + reset) |
| Series | AVR ATmega (picoPower) |
| Instruction Set | 131 instructions, mostly single-cycle |
| Read-While-Write FLASH | Yes |
| Lifecycle Stage | Active (newer device ATMEGA88A available) |
ATMEGA88V-10MU Pin Configuration
| Pin 1 | PD3 — Port D, bit 3 (GPIO / analog comparator negative input AIN1) |
| Pin 2 | PD4 — Port D, bit 4 (GPIO / analog comparator positive input AIN0 / XCK) |
| Pin 3 | GND — Ground |
| Pin 4 | VCC — Digital supply voltage (1.8V to 5.5V) |
| Pin 5 | GND — Ground |
| Pin 6 | VCC — Digital supply voltage |
| Pin 7 | PB6 — Port B, bit 6 (XTAL1 / TOSC1 - oscillator input) |
| Pin 8 | PB7 — Port B, bit 7 (XTAL2 / TOSC2 - oscillator output) |
| Pin 9 | PD5 — Port D, bit 5 (GPIO / T1 external counter input / OC0B) |
| Pin 10 | PD6 — Port D, bit 6 (GPIO / AIN0 / OC0A) |
| Pin 11 | PD7 — Port D, bit 7 (GPIO / AIN1) |
| Pin 12 | PB0 — Port B, bit 0 (GPIO / ICP1 input capture / CLKO) |
| Pin 13 | PB1 — Port B, bit 1 (GPIO / OC1A PWM output) |
| Pin 14 | PB2 — Port B, bit 2 (GPIO / SS / OC1B PWM output) |
| Pin 15 | PB3 — Port B, bit 3 (MOSI - SPI data input / OC2A) |
| Pin 16 | PB4 — Port B, bit 4 (MISO - SPI data output) |
| Pin 17 | PB5 — Port B, bit 5 (SCK - SPI clock) |
| Pin 18 | AVCC — Analog supply voltage for ADC |
| Pin 19 | ADC6 — ADC input channel 6 |
| Pin 20 | AREF — Analog reference voltage for ADC |
| Pin 21 | GND — Ground |
| Pin 22 | ADC7 — ADC input channel 7 |
| Pin 23 | PC0 — Port C, bit 0 (GPIO / ADC0) |
| Pin 24 | PC1 — Port C, bit 1 (GPIO / ADC1) |
| Pin 25 | PC2 — Port C, bit 2 (GPIO / ADC2) |
| Pin 26 | PC3 — Port C, bit 3 (GPIO / ADC3) |
| Pin 27 | PC4 — Port C, bit 4 (GPIO / ADC4 / SDA - TWI data) |
| Pin 28 | PC5 — Port C, bit 5 (GPIO / ADC5 / SCL - TWI clock) |
| Pin 29 | PC6 — Port C, bit 6 (RESET - active-low reset input) |
| Pin 30 | PD0 — Port D, bit 0 (GPIO / RXD - UART receive) |
| Pin 31 | PD1 — Port D, bit 1 (GPIO / TXD - UART transmit) |
| Pin 32 | PD2 — Port D, bit 2 (GPIO / INT0 external interrupt) |
Typical Applications
ATMEGA88V-10MU is suitable for 6 applications: Battery-Powered Sensor Nodes, Home Automation and IoT End Nodes, Industrial Control Panels, Consumer Appliance Interfaces, Motor and Actuator Control, Embedded Data Loggers.
Battery-Powered Sensor Nodes
The ATMEGA88V-10MU fits battery-powered sensor nodes because its 1.8V supply floor allows direct operation from two alkaline cells across their entire discharge curve (nominally 1.8V-3.0V), eliminating a boost converter and its quiescent loss. The picoPower platform offers six sleep modes; in power-down mode the MCU suspends the clock and retains SRAM at microamp-level current, waking on pin-change or watchdog interrupt. A typical topology samples a sensor with the internal 10-bit ADC, stores calibration in the 512B EEPROM, and radios out via a serial link on PD0/PD1, spending over 99% of the duty cycle asleep. The trade-off is the 10 MHz ceiling, which is rarely a constraint since sensing tasks use a fraction of that throughput.
Recommended
Home Automation and IoT End Nodes
For home automation end nodes such as wall switches, dimmers, and thermostat sensing heads, the ATMEGA88V-10MU provides 23 GPIO lines - enough to drive relays, read multiple buttons, and bit-bang protocols - within a single 5x5 mm VQFN. The hardware I2C (TWI) on PC4/PC5 talks to RTC and environmental sensors, while the SPI on PB3-PB5 interfaces to RF modules. Operating from a 3.3V rail at up to 10 MHz, the single-cycle RISC core executes 131-instruction-set AVR C code with high density in the 8KB FLASH, and the 1KB SRAM comfortably holds protocol buffers. Designers should budget the 10 MHz throughput against any software bit-banged timing loops, or migrate to the pin-compatible 20 MHz ATMEGA88PA-CCUR if headroom is short.
Recommended
Industrial Control Panels
On 5V industrial control panels, the ATMEGA88V-10MU runs from the standard 5V logic rail (well within its 1.8V-5.5V range) and its 23 I/O lines interface pushbuttons, LEDs, relays, and limit switches through optocouplers. Three flexible timer/counters - two 8-bit and one 16-bit - generate PWM for actuator control and precise measurement of input pulse trains, while the 10-bit ADC reads potentiometer setpoints and analog transducer feedback. The 512B EEPROM retains configuration and runtime counters across power cycles, and the brownout detector plus watchdog provide the fault robustness expected in panel environments. The 10 MHz grade is adequate for panel refresh rates; the external crystal option on PB6/PB7 provides accurate timing when the internal RC is insufficient.
Recommended
Consumer Appliance Interfaces
Consumer appliance front panels - ovens, air conditioners, coffee machines - use the ATMEGA88V-10MU for its combination of low cost, wide supply tolerance, and 23 GPIO. A typical design drives multiplexed 7-segment or LED bar displays via timed port writes on timer interrupts, scans a key matrix on port C and D, and uses the ADC with internal bandgap reference to monitor mains-derived temperature sensors. The 32 general-purpose working registers make the C display drivers compact, fitting comfortably in the 8KB FLASH with bootloader room for field firmware updates over UART (ICSP pins PB3/PB5 double as the serial interface). The VQFN exposed pad aids heat dissipation in enclosed plastic housings, and picoPower sleep modes meet standby-power regulations.
Recommended
Motor and Actuator Control
The ATMEGA88V-10MU serves small motor control tasks - DC fans, stepper drivers, servo loops - using its 16-bit timer for phase-correct PWM and its 8-bit timers for sequencing and commutation. Running from 5V, the outputs drive discrete H-bridge or gate-driver inputs directly, while the ADC samples back-EMF or current-shunt signals for closed-loop control executed at kHz rates within the 10 MHz budget. Pin-change interrupts on all ports enable Hall sensor or quadrature encoder inputs without polling. The 1KB SRAM holds control-loop state and position tables, and the 512B EEPROM stores calibration constants such as null offsets. For higher-resolution PWM above 10 MHz clocking permits, the pin-compatible ATMEGA88-20MU doubles the timer clock without any PCB change.
Recommended
Embedded Data Loggers
Compact data loggers benefit from the ATMEGA88V-10MU's read-while-write FLASH and 512B EEPROM: configuration and rolling data records persist without external memory in minimal designs, or the SPI port (PB3-PB5) attaches serial FLASH/SD media for larger stores. The 10-bit ADC with up to six multiplexed channels (plus differential inputs on the ATmega88 ADC front end) captures multi-sensor inputs, and timer-driven sampling keeps timing deterministic under a crystal on PB6/PB7. Powered from 3 alkaline cells at 1.8V-4.5V, the V grade eliminates an LDO; sleep between sample intervals stretches battery life into years. Firmware size is the main constraint at 8KB, so use AVR-GCC with -Os and avoid heavyweight libraries, or step to a pin-compatible larger sibling.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA88V-10MU — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA88PV-10MUR | ATMEGA88-20MU | ATMEGA88PA-CCUR | ATMEGA88V-10MJ |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Atmel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-VQFN (5x5 mm) MLF | 32-VQFN (5x5 mm) - same footprint | 32-VQFN (5x5 mm) - same footprint | 32-VQFN (5x5 mm) - same footprint | 32-lead LDR (J-lead) - different footprint |
| Max Clock Speed | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 10 MHz |
| Supply Voltage Range | 1.8V to 5.5V | 1.8V to 5.5V | 2.7V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V |
| FLASH Memory | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) | 8KB (4K x 16) |
| SRAM / EEPROM | 1KB / 512B | 1KB / 512B | 1KB / 512B | 1KB / 512B | 1KB / 512B |
| I/O Lines | 23 | 23 | 23 | 23 | 23 |
| Silicon Generation | Original ATmega88 (picoPower V grade) | Original picoPower V grade | Original ATmega88 standard grade | PA successor die (improved RC osc) | Original picoPower V grade |
Key Differentiators
- Deepest low-voltage operation in the ATmega88 VQFN family (vs ATMEGA88-20MU)
- Wide-voltage successor with no speed penalty available in same footprint (vs ATMEGA88PA-CCUR)
- Package choice flexibility within the same die (vs ATMEGA88V-10MJ)
Design Notes
Connect both VCC pads (4 and 6), AVCC (pad 18), and the exposed die pad to the supply rail. AVCC must be within 0.3V of VCC even if the ADC is unused - leaving AVCC floating can corrupt the ADC and increase noise. Decouple each VCC/AVCC pin with 100 nF ceramic capacitors placed within 2 mm of the pad, plus one 4.7-10 uF bulk capacitor per supply domain. The MLF exposed pad should be soldered to a grounded or VCC copper thermal pad per the Atmel ATmega88 datasheet MLF application note - it is not optional for reliable power integrity.
The 32-VQFN (5x5 mm) MLF package requires a 0.5 mm-pitch land pattern with via-in-pad or dog-bone escapes for inner rows; follow the Microchip MLF soldering guidelines for stencil aperture design (typically 80-90% pad coverage with the exposed pad stencil split into 4 quadrants to prevent floating). The exposed pad on the ATmega88 MLF is a ground/power connection, so tie it to a solid plane. Inspect with X-ray or use sufficient voiding tolerance, since invisible exposed-pad voids are the most common field reliability failure of QFN AVR parts.
The V grade tops out at 10 MHz: do not fit a 16 MHz crystal by habit from ATmega328P designs - overclocking outside the datasheet frequency-vs-voltage envelope is unguaranteed and may fail at low temperature or low VCC. Also note the 20 MHz ATMEGA88-20MU requires at least 2.7V (4.5V for full speed), so it is not a voltage-transparent substitute in a 1.8V design. Finally, PC6 is RESET by default; if you fuse it into an I/O pin, you lose ICSP high-voltage-free reprogramming - disable RESET only when a high-voltage parallel programmer is available.
Keep the XTAL1/XTAL2 crystal traces on PB6/PB7 under 10 mm and guard them with ground pour, since the low-power crystal oscillator operates at microamp bias currents and is susceptible to coupling from PWM outputs (OC1A on PB1, OC1B on PB2). Route the SPI bus (PB3-PB5) away from the crystal when it also serves ICSP programming; leave the ICSP header footprint populated in production for field firmware updates via MPLAB SNAP, which uses only MOSI, SCK, and RESET.
Compliance Information
RoHS/lead-free status per Microchip standard product policy for current ATmega88 production; REACH and halogen-free status not stated in the retrieved web data and must be confirmed against the official Microchip product compliance page.
