The TK10931V is an IF system IC designed for communications equipment.
The TK10931V contains the following functions:
FM IF Limiter
Quadrature Detector
AM AGC Amplifier
Squelch Noise Amplifier
AM Detector
Squelch Rectifier
RSSI Output
RF AGC Output
Squelch Comparator
The TK10931V is suited for Amateur radios, CB radios, and Wide-Band receivers.
The TK10931V is available in the very small TSSOP-24 surface mount package.

* Simultaneous Operation (AM Section, FM Section)
* AM Section with ON/OFF Control Input
* AGC Amplifier Control Input
* AGC Amplifier Output
* High-speed FM Limiter Amplifier (Up to 11 MHz)
* RF AGC Output (for External RF Amplifier)
* Built-in Noise Squelch Circuit (Noise Amplifier, Rectifier, Comparator)
* Wide Range Voltage Operation (2.5 V to 8.5 V)
* Very Small Package (TSSOP-24)

* Amateur Radios
* CB Radios
* Utility Radios
* Scanner Receivers

댓글을 달아 주세요 Comment

* Fully integrated solution, with a power MOSFET, reverse blocking diode, sense resistor, and thermal protection
* Ideal for coke and graphite anode single-cell LI-ION packs
* Both linear and quasi-pulse operation
* Closed loop thermal control
* USB BUS-compatible
* Programmable charge current up to 1A
* Programmable pre-charge current
* Programmable end-of-charge current
* Programmable pre-charge voltage threshold
* Programmable charge timer
* Programmable output voltage at 4.1V and 4.2V, with ±1% output voltage accuracy
* (NTC) or (PTC) thermistor interface for battery temperature monitoring and protection
* Flexible charge process termination
* Status outputs to drive LEDs or to interface with a host processor
* Small VFQFPN 16-leads package (3mm x 3mm)

Handheld devices
Cellular phones
Digital cameras
Standalone chargers
USB-Powered chargers


댓글을 달아 주세요 Comment

General Description
The LM1203B is an improved version of the popular LM1203 wideband video amplifier system. The device is intended for high resolution RGB CRT monitors. In addition to three matched video amplifiers, the LM1203B contains three gated differential input black level clamp comparators
for brightness control and three matched attenuator circuits for contrast control. Each video amplifier contains a gain set or ``Drive'' node for setting maximum system gain or providing
gain trim capability for white balance. The LM1203B also contains a voltage reference for the video inputs. The LM1203B is pin and function compatible with the LM1203.

* High resolution RGB CRT monitors
* Video AGC amplifiers
* Wideband amplifiers with gain and DC offset controls

* Three wideband video amplifiers (100 MHz @ b3 dB)
* Matched (g0.1 dB or 1.2%) attenuators for contrast control
* Three externally gated comparators for brightness control
* Provisions for individual gain control (Drive) of each video amplifier
* Video input voltage reference
* Low impedance output driver
* Stable on a single sided board

댓글을 달아 주세요 Comment

General Description
The AS3514 is a low power stereo audio codec and is designed for Portable Digital Audio Applications. It allows playback in CD quality and recording in FM-stereo quality. It has a variety of audio inputs and outputs to directly connect electret microphones, 16Ω headset, 4Ω speaker and auxiliary signal sources via a 10-channel mixer. It only consumes 22mW in playback mode.
Further the device offers advanced power management functions. All necessary ICs and peripherals in a flash based Digital Audio Player are supplied by the AS3514. The power
management block generates 9 different supply voltages out of the battery supply. CPU, NAND flash, SRAM, memory cards, LCD back-light, USB RX/TX can be powered. The different
supply voltages are programmable via the serial control interface. It also contains a charger and is designed for battery supplies from 1V to 5V.
The AS3514 has an on-chip, phase locked loop (PLL) controlled, clock generator. It generates 44.1kHz, 48kHz and other sample rates defined in MP3, AAC, WMA, OGG VORBIS etc. No additional external crystal or PLL is needed. Further the AS3514 has an independent 32kHz real time clock (RTC) on chip which allows a complete power down of the system CPU.

Key Features
Multi-bit Sigma Delta Converters
– DAC: 18bit with 94dB SNR (‘A’ weighted) , 48kHz
– ADC: 14bit with 82dB SNR (‘A’ weighted), 16kHz
2 Microphone Inputs
– 3 gain pre-setting (28dB/34dB/40dB) with AGC
– 32 gain steps @1.5dB and MUTE
– supply for electret microphone
– microphone detection
– remote control by switch
2 Line Inputs
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– stereo or 2x mono or mono differential
Line Outputs
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 1Vp @10kΩ
Audio Mixer
– 10 channel input/output mixer with AGC
– mixes line inputs and microphones with DAC
– left and right channels independent
High Efficiency Headphone Amplifier
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 2x40mW @16Ω driver capability
– headphone and over-current detection
– phantom ground eliminates large capacitors
High Power Speaker Amplifier
– volume control via serial interface
– 32 steps @1.5dB and MUTE
– 2x500mW @8Ω driver capability
– over-current detection
Power Management
– step up for system supply (3.0V – 3.6V)
– step down for CPU core (0.85V – 1.8V, 250mA)
– step up for backlight (15V, 38.5mA)
– LDO for digital supply (2.9V, 200mA)
– LDO for analogue supply (2.9V, 200mA)
– LDO for peripherals (1.7V-3.3V, 200mA)
– LDO for peripherals (3.1V-3.3V, 200mA)
– LDO for RTC (1.0V-2.5V, 2mA)
– LDO for USB 1.1 transceiver (3.26V, 10mA)
– battery supervision
– 10sec emergency shut-down
Battery Charger
– automatic trickle charge (50mA)
– prog. constant current charging (100-400mA)
– prog. constant voltage charging (3.9V-4.25V)
Real Time Clock
– ultra low power 32kHz oscillator
– 32bit RTC sec counter
– selectable alarm (seconds or minutes)
General Purpose ADC
– 10bit resolution
– 16 inputs analogue multiplexer
– I²S digital audio interface
– 2 wire serial control interface
– watchdog via serial interface
– power good pin
– 128bit unique ID (OTP)
– 17 different interrupts
Package CTBGA64 [7.0x7.0x1.1mm] 0.8mm pitch

Portable Digital Audio Player and Recorder
PDA, Smartphone

댓글을 달아 주세요 Comment

* Compatible with Sound Blaster™, Sound Blaster Pro™, and Windows Sound System™
* Integrated CrystalClear™ 3D Stereo Enhancement
* Enhanced Stereo Full Duplex Operation
* Dual Type-F DMA Support
* Industry Leading Delta-Sigma Data Converters (86 dB FS A)
* Default Internal PnP Resources
* 3.3 V or 5 V ISA Bus Operation
* APM and ACPI Compliant Power Management
* Asynchronous Digital Serial Interface (ZVPORT)
* CS4610 Audio Accelerator Interface
* CS9236 Wavetable Interface
* CS4236B/CS4237B/CS4238B Register Compatible

The CS4239 is a single chip multimedia audio system that is a pin-compatible upgrade to the CS423xB for many designs. The product includes an integrated FM synthesizer and a Plug-and-Play interface. In addition, the CS4239 includes hardware master volume control pins as well as extensive power management and 3D sound technology. The CS4239 adds a Zoom-Video asynchronous digital serial interface to the industry standard CS423xB. The CS4239 is compatible with the Microsoft® Windows Sound System standard and will run software written to the Sound Blaster and Sound Blaster Pro interfaces. The CS4239 is fully compliant with Microsoft’s PC ’97 and PC ’98 audio requirements.


TAG Audio, system

댓글을 달아 주세요 Comment

- 224 I/O
- 20000 PLD Gates
- 672 Registers
- High Speed Global Interconnect
- Wide Input Gating for Fast Counters, State Machines, Address Decoders, etc.
- Small Logic Block Size for Random Logic
- fmax = 90 MHz Maximum Operating Frequency
- tpd = 12 ns Propagation Delay
- TTL Compatible Inputs and Outputs
- Electrically Erasable and Reprogrammable
- Non-Volatile
- 100% Tested at Time of Manufacture
- Unused Product Term Shutdown Saves Power
- 5V In-System Programmable (ISP™) Using Lattice ISP or Boundary Scan Test (IEEE 1149.1) Protocol
- Increased Manufacturing Yields, Reduced Time-to- Market, and Improved Product Quality
- Reprogram Soldered Devices for Faster Debugging
- Complete Programmable Device Can Combine Glue Logic and Structured Designs
- Enhanced Pin Locking Capability
- Five Dedicated Clock Inputs
- Synchronous and Asynchronous Clocks
- Programmable Output Slew Rate Control to Minimize Switching Noise
- Flexible I/O Placement
- Optimized Global Routing Pool Provides Global Interconnectivity
- Superior Quality of Results
- Tightly Integrated with Leading CAE Vendor Tools
- Productivity Enhancing Timing Analyzer, Explore Tools, Timing Simulator and ispANALYZER™
- PC and UNIX Platforms

The ispLSI 3448 is a High-Density Programmable Logic Device containing 672 Registers, 224 Universal I/Os, five Dedicated Clock Inputs, 14 Output Routing Pools (ORP) and a Global Routing Pool (GRP) which allows complete inter-connectivity between all of these elements. The ispLSI 3448 features 5V in-system programmability and in-system diagnostic capabilities. The ispLSI 3448 offers non-volatile reprogrammability of the logic, as well as the interconnect to provide truly reconfigurable systems.
The basic unit of logic on the ispLSI 3448 device is the Twin Generic Logic Block (Twin GLB) labelled A0, A1...N3.
There are a total of 56 of these Twin GLBs in the ispLSI 3448 device. Each Twin GLB has 24 inputs, a programmable AND array and two OR/Exclusive-OR Arrays, and eight outputs which can be configured to be either combinatorial or registered. All Twin GLB inputs come from the GRP.


댓글을 달아 주세요 Comment

 The AMD-760MPX™ and AMD-760MP™ chipsets are highly integrated system logic solutions that deliver enhanced performance for the AMD Athlon™ processor and other AMD Athlon processor system bus-compatible processors. The AMD-760MPX chipset consists of the AMD-762™ system controller in a 949-pin Ceramic Column Grid Array (CCGA) package and the AMD-768™ peripheral bus controller. The AMD-760MP chipset consists of the AMD-762 system controller in a CCGA package and the AMD-766™ peripheral bus controller.
 The AMD-762 system controller features the AMD Athlon system bus, system memory controller, Accelerated Graphics Port (AGP) controller, and Peripheral Component Interconnect PCI) bus controller. Figure 1 on page 5 shows a block diagram for the AMD-760MPX chipset. Figure 2 on page 6 shows a block diagram for the AMD-760MP chipset.
The AMD-762 system controller is designed with the following features:

* Two AMD Athlon processor system buses support the high-speed, split-transaction AMDAthlon system bus interface. These buses are designed to operate at 100/200-MHz or 133/266-MHz double-data rate.
* A 66/33-MHz 64/32-bit PCI 2.2-compliant bus interface supports up to seven bus masters plus the AMD-766 peripheral bus controller at 33 MHz or up to two bus masters plus the AMD-768 peripheral bus controller at 66 MHz.
* The 66-MHz AGP 2.0-compliant interface supports 1x, 2x, and 4x data transfer mode.
* High-speed memory—The AMD-762 system controller is designed to support DDR SDRAM DIMMs, operating at either 100/200-MHz or 133/266-MHz double-data rate. Note that the DDR interface speed is always locked to the frontside bus speed. This document describes the features and operation of the AMD-762 system controller. For a description of the AMD-766
peripheral bus controller, see the AMD-766™ Peripheral Bus Controller Data Sheet, order# 23167. For a description of the AMD-768 peripheral bus controller, see the AMD-768™ Peripheral Bus Controller Data Sheet, order# 24467. Key features of the AMD-762 system controller are provided in this section.

AMD Athlon™ System Buses
The AMD Athlon system buses have the following features:
* High-performance point-to-point system bus topology
* Source-synchronous clocking for high-speed transfers
* 200- or 266-MHz, split-transaction AMD Athlon system bus interface
* 1.6 Gbytes/s peak data transfer rates at 100/200 MHz, 2.1 Gbytes at 133/266 MHz Large 64-byte (cache line) data burst transfers

Integrated Memory Controller
The integrated memory controller has the following features:
* The AMD-762 system controller supports the following concurrencies:
* Processor-to-main-memory with PCI-to-main-memory
* Processor-to-main-memory with AGP-to-main-memory
• Processor-to-PCI with PCI-to-main-memory or AGP-to-main-memory
* Memory Error Correcting Code (ECC) support
* Supports the following DRAM:
• Supports 64-Mbit, 128-Mbit, 256-Mbit, and 512-Mbit technology
• 64-bit data width, plus 8-bit ECC paths
• Flexible row and column addressing
* Supports up to 4 Gbytes of memory
  Four open pages within one CS (device selected by chip select)

댓글을 달아 주세요 Comment

• ZigBee™ systems
• 2.4 GHz IEEE 802.15.4 systems
• Home/building automation
• Industrial Control and Monitoring
• Low power wireless sensor networks
• Access Control
• PC peripherals
• Set-top boxes and remote controls
• Consumer Electronics
• Container/Vehicle Tracking
• Active RFID
• Inventory Control

Product Description
 The CC2431 is a true System-On-Chip (SOC) for wireless sensor networking ZigBee™ / 802.15.4 solutions with location detection engine hardware onboard allowing location accuracy of around 3 meters or less. It enables ZigBee™ nodes to be built with very low total bill-of-material costs. The CC2431 combines the excellent performance of the leading CC2420 RF transceiver with an industry-standard enhanced 8051 MCU, 128 KB flash memory, 8 KB RAM and many other powerful features. Combined with the industry leading ZigBee™ protocol stack (Z-Stack™) from Figure 8 Wireless / Chipcon, the CC2431 provides the market’s most competitive ZigBee™ solution.

 The CC2431 is highly suited for systems where ultra low power consumption is required. This
is achieved by various operating modes. Short transition times between these modes further
ensure low power consumption.

Key Features
• Location Engine accurately calculates the location of a node in a network
• High performance and low power 8051 microcontroller core.
• 2.4 GHz IEEE 802.15.4 compliant RF transceiver (industry leading CC2420 radio core).
• Excellent receiver sensitivity and robustness to interferers
• 128 KB in-system programmable flash
• 8 KB RAM, 4 KB with data retention in all power modes
• Powerful DMA functionality
• Very few external components
• Only a single crystal needed for mesh network systems
• Low current consumption (RX: 27mA, TX: 25mA, microcontroller running at 32 MHz)
• Only 0.9µA current consumption in power-down mode, where external interrupts or the RTC can wake up the system
• Less than 0.6µA current consumption in power-down mode, where external interrupts can wake up the system
• Very fast transition times from lowpower modes to active mode enables ultra low average power consumption in low duty-cycle systems
• CSMA/CA hardware support
• Wide supply voltage range (2.0V – 3.6V)
• Digital RSSI/ LQI support
• Battery monitor and temperature sensor
• 8-14 bits ADC with up to eight inputs
• 128-bit AES security coprocessor
• Two powerful USARTs with support for several serial protocols.
• Hardware debug support
• Watchdog timer
• One IEEE 802.15.4 MAC Timer, one general 16-bit timer and two 8-bit timers
• RoHS compliant 7x7mm QLP48 package
• 21 general I/O pins, two with 20mA sink/source capability
• Powerful and flexible development tools available

CC2431-RTB1 CC2431-RTR1 CC2431DK CC2431ZDK Pro

댓글을 달아 주세요 Comment

This IC is a low-reset type system reset IC and in a variety of CPU systems and other logic systems, to detect supply voltage and reset the system accurately when the power is turned on or interrupted.
It includes a high-precision voltage detection function with ultra-low current consumption and is ideal for voltage check circuits for products using a battery.

1. High-precision voltage detection Vs±2% max.
2. Ultra-low current consumption ICCH=2µA typ. ICCL=3µA typ.
3. Low operating limit voltage 0.65V typ.
4. Hysteresis voltage provided for detection voltage 50mV typ.
5. Large output current during power-on 30mA typ.
6. Detection voltage can be selected as desired within a range of 1.9 to 4.6V
by 0.1V step, as indicated below.

1. Reset circuits for microcomputers, CPUs and MPUs
2. Reset circuits for logic circuits
3. Battery voltage check circuits
4. Back-up power supply switching circuits
5. Level detection circuits

PST7020 PST7021 PST7022 PST7023 PST7024 PST7025 PST7026 PST7027 PST7028 PST7029
PST7030 PST7031 PST7032 PST7033 PST7034 PST7035 PST7036 PST7037 PST7038 PST7039
PST7040 PST7041 PST7042 PST7043 PST7044 PST7045 PST7046
TAG ic, Reset, system

댓글을 달아 주세요 Comment