Microchip Technology AT89LP428-20JU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 4KB FLASH 32PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP428-20JU
Detailed Description
IC MCU 8BIT 4KB FLASH 32PLCC
Package
32-LCC (J-Lead)
Key Features
Package / Case: 32-LCC (J-Lead); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT89LP428-20JU Datasheet
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Technical Specifications
Microchip Technology AT89LP428-20JU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
768 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
Yes
Package / Case
32-LCC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Lifecycle Status
Obsolete
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Alternate Parts Comparison (AT89LP428-20JU vs AT24C02D-SSHM-T vs AT24C16C-SSHM-T vs AT24C256C-SSHL-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-LCC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.4V ~ 5.5V | 1.7V ~ 3.6V | 1.7V ~ 5.5V | 1.7V ~ 5.5V |
| RoHS | Yes | Compliant | Compliant | Compliant |
| Lifecycle Status | Obsolete | Production | Production | Production |
| Package | PLCC-32 | SOIC | SOIC | SOIC |
| Memory Size | -- | 256 B | 2 kB | 32 kB |
| Interface | -- | 2-Wire, I2C | 2-Wire, I2C | 2-Wire, I2C |
| Number of Pins | -- | 8 | 8 | 8 |
| Access Time | -- | 900 ns | 450 ns | 550 ns |
| Address Bus Width Bit | -- | 3 | 3 | 15 |
| 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
MC9S08PA4VWJNXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 20SOIC
MC9S08QA4CDNENXP SemiconductorsNXP
IC MCU 8BIT 4KB FLASH 8SOIC
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