Overview
The PSD4235G2-90U, manufactured by STMicroelectronics, is a Flash programmable system device designed to integrate seamlessly with 16-bit microcontrollers. This device offers extensive connectivity options, including multiple Gigabit Ethernet ports, PCIe, USB, SATA, and DDR3 memory interfaces. It is particularly suited for applications requiring high levels of programmability and flexibility in memory and logic functions.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | PSD4235G2-90U |
| Package/Case | LQFP-80 |
| Number of Pins | 80 |
| Memory Type | FLASH |
| Memory Density | 4 Mbit Primary Flash, 256 Kbit Secondary Flash, 64 Kbit SRAM |
| Supply Voltage | 4.5V to 5.5V |
| Typical Operating Supply Voltage | 5V |
| Operating Temperature Range | 0°C to 70°C |
| Mounting | Surface Mount |
| Lead Shape | Gull-wing |
| PLD Gates | Over 3000 gates |
| In-System Programmability | Yes, with JTAG |
| Data Retention | 15 years |
| Erase/Write Cycles | 100,000 for Flash, 1,000 for PLD |
Key Features
- Dual bank Flash memories with concurrent operation: read from one memory while erasing and writing the other.
- 64 Kbit SRAM and over 3000 gates of PLD (CPLD and DPLD) with 16 output macrocells and 24 input macrocells.
- 7 I/O ports with 52 individually configurable I/O pins for MCU I/Os, PLD I/Os, latched MCU address output, and special function I/Os.
- In-system programming (ISP) with JTAG compliant serial port.
- Internal page register to expand microcontroller address space by a factor of 256.
- Programmable power management and high endurance with 15-year data retention.
- Compact size and lightweight design with metal shield for electromagnetic interference protection.
- Easy installation and maintenance.
Applications
- Industrial use: The device is essential for various industrial automation and control systems.
- Robotics: It is used in robotic systems that require advanced programmability and connectivity.
- Medical devices: Suitable for medical equipment that demands high reliability and programmability.
- Automotive systems: Key component in automotive systems requiring robust and flexible memory and logic solutions.
Q & A
- What is the PSD4235G2-90U used for? The PSD4235G2-90U is a Flash programmable system device used for integrating with 16-bit microcontrollers, offering extensive connectivity and programmability.
- What are the key memory components of the PSD4235G2-90U? It includes 4 Mbit of Primary Flash memory, 256 Kbit of Secondary Flash memory, and 64 Kbit of SRAM.
- What is the operating voltage range of the PSD4235G2-90U? The operating voltage range is from 4.5V to 5.5V.
- Does the PSD4235G2-90U support in-system programming? Yes, it supports in-system programming with a JTAG compliant serial port.
- What is the maximum operating temperature of the PSD4235G2-90U? The maximum operating temperature is 70°C.
- What are the applications of the PSD4235G2-90U? It is used in industrial, robotics, medical devices, and automotive systems.
- How many PLD gates does the PSD4235G2-90U have? It has over 3000 gates of PLD.
- What is the data retention period of the PSD4235G2-90U? The data retention period is 15 years.
- Is the PSD4235G2-90U RoHS compliant? Yes, it is RoHS compliant.
- What is the package type of the PSD4235G2-90U? The package type is LQFP-80.
