Microchip Technology AT89C51AC3-RDTIM Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 64KB FLASH 64LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89C51AC3-RDTIM
Series
Detailed Description
IC MCU 8BIT 64KB FLASH 64LQFP
Package
64-LQFP
Key Features
Package / Case: 64-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT89C51AC3-RDTIM Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89C51AC3-RDTIM Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
89C
RAM Size
2.25K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
60 MHz
RoHS
Yes
Package / Case
64-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
3V ~ 5.5V
Lifecycle Status
Obsolete
Related Parts Comparison (AT89C51AC3-RDTIM vs AT89C1051-24PC vs AT89C52-24JC vs AT89C51-24AC)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | 89C | -- | 89C | 89C |
| Package / Case | 64-LQFP | -- | 44-LCC | 44-TQFP |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 3V ~ 5.5V | -- | 4V ~ 6V | 4V ~ 6V |
| Core Processor | 80C51 | -- | 8051 | 8051 |
| Core Size | 8-Bit | -- | 8-Bit | 8-Bit |
| RAM Size | 2.25K x 8 | -- | 256 x 8 | 128 x 8 |
| RoHS | Yes | -- | Yes | Yes |
| Lifecycle Status | Obsolete | -- | Obsolete | Obsolete |
| Connectivity | SPI, UART/USART | -- | SIO, UART/USART | UART/USART |
| Number of I/O | 36 | -- | 32 | 32 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC9S08QE128CLHNXP SemiconductorsNXP
IC MCU 8BIT 128KB FLASH 64LQFP
MC9S08QE64CLHNXP SemiconductorsNXP
IC MCU 8BIT 64KB FLASH 64LQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
