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Thursday, July 18, 2019

Cypress Semiconductor - PSoC and System Chips

Cypress delivers high-performance, mixed-signal, programmable solutions that provide customers with rapid time-to-market and exceptional system value. Cypress offerings include the PSoC Programmable System-on-Chip, USB controllers, general-purpose programmable clocks and memories......

Cypress Semiconductor - PSoC and System Chips

The PSoC 4 L-Series Pioneer Kit features the PSoC 4200L device - industry’s most flexible 32-bit ARM Cortex-M0 solution.

PSoC 4 L-Series Pioneer Kit

The PSoC 4200L device is a member of the PSoC 4 L-Series device family with up to 256KB flash, 98 GPIOs, 13 programmable analog blocks, 20 programmable digital blocks, dual CapSense hardware blocks, full-speed USB, DMA and CAN.

The PSoC 4 L-Series Pioneer Kit is the industry’s first development platform that features footprint to connect two Arduino Uno compatible shields side-by-side.

Cypress Semiconductor Corp.
198 Champion Court, San Jose, CA 95134 USA

Tuesday, July 16, 2019

Microsemi Corporation - High Performance Devices

Products  Microsemi Designs and Manufactures include high-performance, radiation-hardened and highly reliable analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and voice processing devices; RF solutions; etc.

Microsemi Corporation - High Performance Devices

Zarlink and Actel are now part of  Microsemi. Actel have designed  SoCs and FPGAs based on flash and antifuse technologies.

Microsemi SmartFusion2 Starter Kit

Microsemi's SmartFusion2 Starter Kit

The SmartFusion2 starter kit supports industry-standard interfaces including Ethernet, USB, SPI, I2C and UART and includes a comprehensive breadboard to support unique design requirements.

"SmartFusion2 system-on-chip (SoC) FPGAs, which integrate inherently reliable flash-based FPGA fabric, a 166 MHz ARM Cortex-M3 processor, advanced security processing accelerators, DSP blocks, SRAM, eNVM...."

They also provide High-performance IP Cores for other designers and chip developers.

Microsemi Corporation
One Enterprise Aliso Viejo, CA 92656 USA

Xilinx - Programmable SoC and FPGA

They Design and Create Semiconductor Technologies and manufacture Devices like Programmable FPGAs and SoCs. These are programmable alternatives to to ASICs and ASSPs.

Xilinx - Programmable SoC and FPGA

Developer and fabless manufacturer of a class of reconfigurable hardware chips known as field-programmable gate arrays (FPGAs). It was founded by Ross Freeman (FPGA inventor), Bernie  Vonderschmitt (fabless pioneer), and Jim Barnett in 1984 and was based in Silicon Valley.
Product Line include Programmable FPGA, 3D IC, SoC, CPLD and Configuration Memory solutions. Embedded Processing, DSP and Connectivity Solutions. An extensive catalog of base-level cores is available to address the general needs of all designers.

Xilinx Zynq-7000 All Programmable SoC ZC702 Evaluation Kit

Xilinx Zynq-7000 All Programmable SoC

The Evaluation Kit includes all the basic components of hardware, design tools, IP, and pre-verified reference designs including a targeted design, enabling a complete embedded processing platform. The included pre-verified reference designs and industry-standard FPGA Mezzanine Connectors (FMC) allow scaling and customization with daughter cards.

Wednesday, June 19, 2019

Lattice Semiconductor - FPGA CPLD

A leading manufacturer of high-performance programmable logic devices PLDs, field-programmable gate arrays FPGAs, programmable mixed-signal and interconnect products, related software and intellectual property IP.

Products include FPGAs, CPLDs, Power Management and Clock Management Devices.

Lattice Semiconductor - FPGA CPLD
The ispMACH 4000ZE CPLD family is ideal for ultra low-power, high-volume portable applications.
Standby current as low as 10µA (typical) 1.8V core; Operational down to 1.6V VCC. Easy System Integration, Flexible multi-volt I/O.

5V tolerant I/O for LVCMOS 3.3, LVTTL, and PCI interfaces. JTAG In-System Programmable (ISPTM), On-chip user oscillator and timer,

ispMACH 4000ZE Evaluation Board

ispMACH 4000ZE Evaluation Board

ispMACH_4000ZE ispMACH 4000ZE Family

Lattice Semiconductor
5555 NE Moore Ct, Hillsboro, OR 97124, USA

Tuesday, June 11, 2019

BC557 PNP Transistor General Purpose

BC556, BC557 and BC558 PNP Amplifier Transistors are not only popular today but very ancient, it is used as a General Purpose device and a popular LED control in small products.

BC557 PNP Transistor - Amplifier

This Silicon device along with some others replaced Germanium Devices in Preamplifiers and Portable Transistor Radios  and Portable Tape Recorders. A Complement is the BC547 NPN General Purpose Transistor. Now for Specs 45V, 100mA, 200 beta approx.

BC557 PNP Transistor General Purpose

I will explain in a way most can comprehend. Do not use this for circuits working around 30-40 Volts. Use it for circuits upto 24 volts on the safer side. (45 V max rating)

Do not subject the base emmiter (diode path ) to any kind of reverse bias. That includes kickback from coils of relays or solenoids. This will damage the device, protect with a diode if needed.

Do not work it hot, it is not a metal device, use it for small signal. Reed Relay driving is possible, Single LED drive is also ok. Microphone Amplifiers, Bass, Treble and Presence controls. LED Flashers, Graphic Equalizers are things you could make with this, using Filter Circuits.

Continuous current rating is 100mA, this is fine if transistor is saturated or fully on, when voltage across device is very less and current is 100mA. Power Dissipation is tolerable. If Transistor is just partially ON or Switching fast, The Power Dissipation can peak and eventually damage the device. The device can manage to survive say 500 mW or a little more, but remember that the battery is draining fast.

A 200 Beta is pretty good, it depends on temperature, voltage and other factors. 100uA base drive can can turn on a LED at 20mA in the collector path. You can drive a LED from Opamp or Logic IC using this device, just add a 22k in series to the base.

Design products that are safe, last long and use very little power. That is pretty Green.

- delabs Notes from 1988 offline notes to 1999 online notes. enhanced 2019

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