ATMEGA88V-10PJ - 8KB AVR MCU, 1.8V, 28-PDIP | Microchip
MPN: ATMEGA88V-10PJ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.85 | $28.50 |
| 100 | $2.45 | $245.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.82 | $1,820.00 |
ATMEGA88V-10PJ Overview
An 8-bit AVR microcontroller is a Harvard-architecture processor that executes most of its 131 instructions in a single clock cycle, positioning it within the broader hierarchy of MCU -> 8-bit microcontroller -> embedded processor. The ATmega48/88/168 family shares a common peripheral set and pinout, letting designers scale memory without PCB changes.
Key features include self-programming Flash with read-while-write capability, an 8-channel 10-bit ADC, a byte-oriented Two-Wire (I2C-compatible) interface, a serial USART, SPI, three flexible timer/counters with compare modes, and debugWIRE on-chip debug. A 32-register general-purpose file is directly connected to the ALU, achieving near-single-cycle throughput.
The core runs from 1.8 V, enabling battery-powered designs, while six power-saving modes including power-down at sub-uA levels extend battery life. The 28-PDIP package suits prototyping, sockets, and legacy through-hole production lines.
Typical applications include industrial sensor nodes, appliance control boards, hobby and education platforms such as Arduino-compatible designs, and low-cost battery instruments.
Design tip: when running below 5 V, respect the V-suffix 10 MHz frequency-voltage derating curve and enable the internal brown-out detector for supply-dip immunity.
This page adds distributor sourcing context, drop-in alternatives, and design notes not found in the manufacturer datasheet. Pricing shown as of 2026-09-19.
Drop-in alternatives for ATMEGA88V-10PJ — 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-10PJ (same form factor and footprint) — differing in Package, ADC, Instructions, Maximum Clock Frequency, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATMEGA88PA-PN
✅ Drop-In✓ In Stock
$2.02 / Unit
View Datasheet →ATMEGA88-20PI
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →ATMEGA168PA-PU
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.86 / Unit
View Datasheet →ATMEGA48A-PU
✅ Drop-In📋 Reference alternative (not in catalog)
ATMEGA8A-PU
✅ Drop-In✓ In Stock
$1.86 / Unit
View Datasheet →ATMEGA88V-10PJ Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit AVR RISC |
| Flash Program Memory | 8 KB |
| SRAM | 1 KB |
| EEPROM | 512 B |
| Maximum Clock Frequency | 10 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V |
| I/O Lines | 23 |
| ADC | 8-channel 10-bit |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | USART, SPI, Two-Wire (I2C-compatible) |
| Throughput | Up to 10 MIPS (1 MIPS per MHz) |
| Instructions | 131 instructions, most single-cycle |
| On-Chip Debug | debugWIRE |
| Operating Temperature | -40C to +85C (industrial) |
| Package | 28-pin PDIP (PJ), through-hole |
| Mounting Type | Through-Hole |
| Programming | ISP (In-System Programmable), self-programming Flash |
| Power Modes | 6 modes including power-down and power-save |
ATMEGA88V-10PJ Pin Configuration
| Pin 1 | PC6/RESET — Port C bit 6 / Reset input |
| Pin 2 | PD0/RXD — Port D bit 0 / USART receive |
| Pin 3 | PD1/TXD — Port D bit 1 / USART transmit |
| Pin 4 | PD2/INT0 — Port D bit 2 / External interrupt 0 |
| Pin 5 | PD3/INT1/OC2B — Port D bit 3 / External interrupt 1 / Timer2 output compare B |
| Pin 6 | PD4/T0/XCK — Port D bit 4 / Timer0 external clock / USART external clock |
| Pin 7 | VCC — Digital supply voltage (1.8 V to 5.5 V) |
| Pin 8 | GND — Ground |
| Pin 9 | PB6/XTAL1/TOSC1 — Port B bit 6 / Crystal oscillator input / Timer oscillator |
| Pin 10 | PB7/XTAL2/TOSC2 — Port B bit 7 / Crystal oscillator output / Timer oscillator |
| Pin 11 | PD5/T1/OC0B — Port D bit 5 / Timer1 external clock / Timer0 output compare B |
| Pin 12 | PD6/AIN0/OC0A — Port D bit 6 / Analog comparator positive / Timer0 output compare A |
| Pin 13 | PD7/AIN1 — Port D bit 7 / Analog comparator negative |
| Pin 14 | PB0/ICP1/CLKO — Port B bit 0 / Timer1 input capture / Clock output |
| Pin 15 | PB1/OC1A — Port B bit 1 / Timer1 output compare A |
| Pin 16 | PB2/SS/OC1B — Port B bit 2 / SPI slave select / Timer1 output compare B |
| Pin 17 | PB3/MOSI/OC2A — Port B bit 3 / SPI master output / Timer2 output compare A |
| Pin 18 | PB4/MISO — Port B bit 4 / SPI master input |
| Pin 19 | PB5/SCK — Port B bit 5 / SPI clock |
| Pin 20 | AVCC — ADC supply voltage |
| Pin 21 | AREF — ADC analog reference |
| Pin 22 | GND — Ground |
| Pin 23 | PC0/ADC0 — Port C bit 0 / ADC input 0 |
| Pin 24 | PC1/ADC1 — Port C bit 1 / ADC input 1 |
| Pin 25 | PC2/ADC2 — Port C bit 2 / ADC input 2 |
| Pin 26 | PC3/ADC3 — Port C bit 3 / ADC input 3 |
| Pin 27 | PC4/ADC4/SDA — Port C bit 4 / ADC input 4 / Two-Wire data |
| Pin 28 | PC5/ADC5/SCL — Port C bit 5 / ADC input 5 / Two-Wire clock |
Typical Applications
ATMEGA88V-10PJ is suitable for 6 applications: Industrial Sensor Nodes, Battery-Powered Instruments, Appliance Control Boards, Hobby and Education Platforms, Motor Control and PWM Actuation, Embedded Host and Communication Bridges.
Industrial Sensor Nodes
The ATMEGA88V-10PJ fits industrial sensor acquisition nodes because its 8-channel 10-bit ADC digitizes multiple analog sensors (thermistors, pressure bridges, 4-20 mA inputs via shunts) without an external converter, and the 1.8-5.5 V supply tolerates noisy, unregulated industrial rails. The USART connects to RS-485 transceivers for Modbus-style field buses, while the Two-Wire interface reads digital sensors. Running at 10 MHz conserves power in duty-cycled nodes: the MCU sleeps in power-down between sampling intervals and wakes on watchdog or pin-change interrupt, keeping average consumption compatible with long-life battery or loop-powered designs in factory and building-automation installations.
Recommended
Battery-Powered Instruments
Battery instruments benefit directly from the V speed grade: 10 MHz operation is guaranteed down to 1.8 V, so the design runs directly from two AA cells (3.0 V nominal) or a single lithium cell without a boost converter. Six power-saving modes, including power-save with asynchronous Timer2 for real-time clocking, allow sample-then-sleep scheduling that stretches battery life to multi-year service. The 512 B EEPROM stores calibration coefficients across power cycles, and debugWIRE permits in-target current and firmware debugging through the single RESET line. Typical products include portable meters, data loggers, and handheld environmental monitors where through-hole 28-PDIP mounting also simplifies field battery-board rework.
Recommended
Appliance Control Boards
White-goods and small-appliance controls use the ATMEGA88V-10PJ for its cost-effective combination of 23 I/O lines, three timer/counters with PWM compare outputs, and self-programming Flash that enables field firmware updates over a UART bootloader. The 10-bit ADC reads user controls, NTC temperature sensors, and mains-synchronized zero-cross signals, while PWM channels drive triac firing, buzzer tones, or LED indication. The brown-out detector and watchdog timer provide the reset robustness required in electrically noisy motor environments. The 28-PDIP through-hole package withstands wave soldering and simplifies repair-oriented appliance manufacturing common in cost-sensitive production regions.
Recommended
Hobby and Education Platforms
The ATMEGA88V-10PJ remains a staple of education and maker platforms because it shares the AVR instruction set and ISP programming workflow with the Arduino ecosystem while offering a low-cost 28-PDIP part that students can insert into a socket and replace after miswiring. Its 131-instruction RISC core teaches computer architecture cleanly, and peripherals map directly to Arduino concepts: USART to Serial, Two-Wire to Wire library, timers to analogWrite(). Wide 1.8-5.5 V operation allows breadboarding directly from USB (5 V) or battery packs without regulators, and abundant community toolchain support - avr-gcc, avrdude, USBasp - requires no proprietary licenses.
Recommended
Motor Control and PWM Actuation
Small DC and stepper motor applications exploit the ATMEGA88V-10PJ's two 8-bit and one 16-bit timer with output-compare PWM, generating phase-correct or fast-PWM drive for H-bridge and driver IC inputs. The 16-bit timer provides precise servo pulse generation with 0.5 us-class resolution at 10 MHz, and pin-change interrupts on any I/O decode quadrature encoder feedback. The 10-bit ADC samples motor current via a shunt for stall detection and closed-loop speed control. Its 5.5 V maximum supply directly matches logic-level MOSFET gate thresholds in low-voltage actuator boards used in printers, locks, camera gimbals, and small robotics.
Recommended
Embedded Host and Communication Bridges
As a protocol bridge, the ATMEGA88V-10PJ converts between its three serial peripherals - USART, SPI, and Two-Wire - letting legacy equipment talk to modern sensors: for example SPI Flash or ADC front-ends bridged to a RS-232/RS-485 link, or Two-Wire slave devices exposed on a USB-serial console. Self-programming Flash stores received firmware or lookup tables, and 1 KB SRAM buffers packet payloads adequate for simple point-to-point links. Deterministic single-cycle instruction execution makes bit-banged timing-critical protocols (1-Wire, DMX, IR) reliable without assembler tuning. Through-hole mounting eases integration into retrofit adapter boxes installed alongside legacy industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for ATMEGA88V-10PJ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATMEGA88PA-PN | ATMEGA88-20PI | ATMEGA168PA-PU | ATMEGA48A-PU |
|---|---|---|---|---|---|
| Package | 28-PDIP (PJ) | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB | 16 KB | 4 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 2 KB | 512 B |
| Max Clock Frequency | 10 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.7 V to 5.5 V (20 MHz needs 4.5 V) | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 256 B |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Power Technology | V grade (standard process) | picoPower (lowest sleep current) | standard process | picoPower | standard process |
Key Differentiators
- Guaranteed 10 MHz operation down to 1.8 V (vs ATMEGA88-20PI)
- Lowest-risk supply continuity for V-grade sockets (vs ATMEGA88PA-PN)
- Twice the Flash of the smaller family member at same cost class (vs ATMEGA48A-PU)
Design Notes
Connect AVCC (pin 20) to VCC through a low-pass RC network (e.g. 10 ohm series resistor with 100 nF to ground) when ADC accuracy matters, and never leave AVCC floating - the ADC and Port C will misbehave. Always tie AREF (pin 21) to ground via 100 nF when using internal or AVCC reference; driving AREF from an external source requires selecting external-reference mode first to avoid internal short. Estimated: a 10 ohm/100 nF filter gives a ~160 kHz corner, attenuating switching noise well above the ADC clock.
For the 28-PDIP on a through-hole board, place 100 nF ceramic decoupling directly across VCC (pin 7) and GND (pin 8) with leads under 10 mm, plus 4.7-10 uF bulk capacitance per board. Keep the crystal (pins 9-10) within 20 mm of the chip with 12-22 pF load capacitors matched to the crystal spec, and route the RESET trace (pin 1) away from high-current PWM loops to prevent spurious resets. debugWIRE shares RESET, so leave it accessible with a series 10 k pull-up only.
The most common migration error is fuse mismatch: the V-10PJ ships with the internal 8 MHz RC oscillator divided by 8 (1 MHz default). If you switch CKDIV8 or select an external crystal via CKOUT fuses incorrectly on a 5 V board while expecting 10 MHz V-grade behavior, verify the frequency-versus-voltage curve - running a standard -20 part below 4.5 V at full speed is out of specification. Also note PC6 is RESET by fuse default; using it as I/O requires disabling RESET, which disables ISP and requires high-voltage programming to recover.
Compliance Information
The PJ package suffix denotes lead-free (J) plating on the 28-PDIP; current production Microchip AVR parts are RoHS-compliant. REACH and conflict-minerals status should be confirmed on the Microchip environmental compliance portal for the specific date code.
