CY8C3866AXI-039 vs CY8C3866AXI-040 Comparison
Detailed side-by-side comparison of CY8C3866AXI-039 by Infineon and CY8C3866AXI-040 by Infineon. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | CY8C3866AXI-039 | CY8C3866AXI-040 |
|---|---|---|
| Brand | Infineon | Infineon |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit PSoC 3 programmable system-on-chip microcontroller | 8-bit Microcontroller (PSoC 3) |
| CPU Architecture | 8051 | — |
| Maximum CPU Frequency | 67 MHz | — |
| Core Count | 1 core | — |
| Program Flash Memory | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 8 KB |
| Data EEPROM | 1 KB | — |
| ECC Flash | 8 KB | — |
| General-Purpose I/O | 62 GPIO | — |
| Universal Digital Blocks | 24 UDBs | — |
| Peripheral Hub Unit | 1 PHub with 8 parallel access paths | — |
| Datapointer Count | 2 | — |
| Interrupt Sources | 27 sources | — |
| Interrupt Priority Levels | 8 levels | — |
| USB Interface | 1 Fast USB 2.0 interface | — |
| Operating Supply Voltage Range | 0.5 V to 5.5 V | — |
| Package | 100-lead TQFP, 14 mm x 14 mm | 100-TQFP (14 x 14 mm) |
| Mounting Type | Surface mount | Surface Mount (gull wing) |
| Flash Protection Levels | 4 levels | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (Industrial) |
| Core Architecture | — | 8051 (single core) |
| Maximum Core Frequency | — | 67 MHz |
| Program Memory (Flash) | — | 64 KB (64K x 8) |
| EEPROM | — | 2 KB (DATA EEPROM) |
| Operating Voltage Range | — | 0.5 V to 5.5 V |
| Pin Count | — | 100 |
| ADC | — | 12-bit SAR, up to 1 Msps |
| DAC | — | 8-bit IDAC blocks |
| Communication Interfaces | — | USB FS, CAN 2.0b, UART, SPI, I2C |
| LCD Driver | — | Up to 46 segments x 4 commons |
| Touch Sensing | — | CapSense supported |
| Lead-Free | — | Yes |