ATMEGA645V-8AI vs ATMEGA64-16AU Comparison
Detailed side-by-side comparison of ATMEGA645V-8AI by Microchip Technology and ATMEGA64-16AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA645V-8AI - 64KB AVR MCU, 8MHz, TQFP-64 | Microchip
ATMEGA645V-8AI ✓ ActiveMicrochip Technology
ATMEGA64-16AU - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645V-8AI | ATMEGA64-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB (32K x 16) ISP Flash | 64 KB Flash (32K x 16) |
| SRAM Size | 4 KB | — |
| EEPROM Size | 2 KB | — |
| Maximum Clock Frequency | 8 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Instructions | 130 (most single-cycle) | — |
| Throughput | up to 8 MIPS at 8 MHz | Up to 16 MIPS at 16 MHz |
| General Purpose I/O | 54 I/O lines (64-pin package) | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Timers/Counters | 3 flexible Timer/Counters | — |
| Debug Interface | JTAG (on-chip debug, Boundary-scan, programming) | — |
| Operating Temperature | -40C to +85C (industrial, I suffix) | -40 C to +85 C |
| Package | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| In-System Programming | Yes (ISP Flash, Read-While-Write) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (GREEN) |
| Data Retention | [DATA_NEEDED: EEPROM/Flash data retention] | — |
| Flash Endurance | — | 10,000 write/erase cycles |
| SRAM | — | 4 KB |
| EEPROM | — | 2 KB |
| Maximum CPU Speed | — | 16 MHz |
| General Purpose I/O Pins | — | 53 |
| General Purpose Working Registers | — | 32 |
| Operating Voltage | — | 4.5 V to 5.5 V (16 MHz); 2.7 V to 5.5 V (8 MHz) |
| Timer/Counters | — | 4 (two 8-bit, two 16-bit) with compare modes and PWM |
| USART Interfaces | — | 2 |
| Two-wire Serial Interface | — | 1 (byte oriented) |
| Real Time Counter | — | Yes (RTC) |
| JTAG Debug Interface | — | Yes (IEEE 1149.1 boundary-scan) |