91A1AF22D18R51中文资料

PLA191

DS-PLA191-R1The PLA191 is a 1-Form-Asolid state relay that uses opti-cally coupled relay technology to provide an enhanced5000V isolation barrier between the input and the output of the relay. The efficient MOSFETswitches use Clarespatented OptoMOS architecture. The optically coupledinput is controlled by a highly efficient GaAIAs infrared LED.

•Telecommunications•Telecom Switching•Tip/Ring Circuits•Modem Switching (Laptop, Notebook, Pocket Size)•Hookswitch•Dial Pulsing•Ground Start•Ringer Injection•Instrumentation•Multiplexers•Data Acquisition•Electronic Switching•I/O Subsystems•Meters (Watt-Hour, Water, Gas)•Medical Equipment-Patient/Equipment Isolation•Security•Aerospace•Industrial Controls•ULApproved to UL1577•CSACertified•Complies with EN60950•5000VRMSInput/Output Isolation•Small 6 Pin DIPPackage•Low Drive Power Requirements (TTL/CMOS Compatible)•No Moving Parts•High Reliability•Arc-Free With No Snubbing Circuits•FCC Compatible•VDE Compatible•No EMI/RFI Generation•Machine Insertable, Wave Solderable•Surface Mount and Tape & Reel Versions Available

IntegratedCircuitSystems, Inc.

General DescriptionFeatures AV9170

Block DiagramClock Synchronizer and Multiplier

AV 9170 Rev E 9/24/99󰀁On-chip Phase-Locked Loop for clocks synchronization󰀁Synchronizes frequencies up to 107 MHz(output) @ 5.0V󰀁±1ns skew (max) between input & output clocks @ 5.0V󰀁Can recover poor duty cycle clocks󰀁CLK1 to CLK2 skew controlled to within ±1ns @ 5.0V󰀁3.0 - 5.5V supply range󰀁Low power CMOS technology󰀁Small 8-pin DIP or SOIC package󰀁On chip loop filter󰀁AV9170-01, -04 for output clocks 20-107 MHz @ 5.0V,20 - 66.7 MHz @ 3.3V󰀁AV9170-02, -05 for output clocks 5-26.75 MHz @ 5.0V,5 - 16.7 MHz @ 3.3VThe AV9170 generates an output clock which is synchronizedto a given continuous input clock with zero delay (±1ns at 5VVDD). Using ICS󰀹s proprietary phase-locked loop (PLL) ana-log CMOS technology, the AV9170 is useful for regeneratingclocks in high speed systems where skew is a major concern.By the use of the two select pins, multiples or divisions of theinput clock can be generated with zero delay (see Tables 2 and3). The standard versions produce two outputs, where CLK2is always a divide by two version of CLK1.The AV9170 is also useful to recover poor duty cycle clocks.A 50 MHz signal with a 20/80% duty cycle, for example, canbe regenerated to the 48/52% typical of the part.The AV9170 allows the user to control the PLL feedback,making it possible, with an additional 74F240 octal buffer (orother such device that offers controlled skew outputs), tosynchronize up to 8 output clocks with zero delay compared tothe input (see Figure 1). Application notes for the AV9170 areavailable. Please consult ICS.ICS reserves the right to make changes in the device data identified in this publicationwithout further notice. ICS advises its customers to obtain the latest version of alldevice data to verify that any information being relied upon by the customer is currentand accurate.元器件交易网

Ver: 1.0 Oct 02, 2002 TEL: 886-3-5788833 1

Global Mixed-mode Technology Inc. G781

±1°C Remote and Local Temperature Sensor with SMBus Serial Interface

Features 󰂄󰀃Two Channels: Measures Both Remote and Local Temperatures 󰂄󰀃No Calibration Required 󰂄󰀃SMBus 2-Wire Serial Interface 󰂄󰀃Programmable Under/Overtemperature Alarms 󰂄󰀃Supports SMBus Alert Response 󰂄󰀃Accuracy: ±1°C (+60°C to +100°C, remote) ±3°C (+60°C to + 100°C, local) 󰂄󰀃320µA (typ) Average Supply Current During Conversion 󰂄󰀃+3V to +5.5V Supply Range 󰂄󰀃Small 8-Lead SO Package Applications Desktop and Notebook Central Office Computers Telecom Equipment Smart Battery Packs Test and Measurement LAN Servers Multi-Chip Modules Industrial Controllers General Description The G781 is a precise digital thermometer that reports the temperature of both a remote sensor and its own package. The remote sensor is a diode-connected transistor typically a low-cost, easily mounted 2N3904 NPN type that replace conventional thermistors or thermocouples. Remote accuracy is ±1°C with no cali-bration needed. The remote channel can also meas-ure the die temperature of other ICs, such as micro-processors, that contain an on-chip, diode-connected transistor. The 2-wire serial interface accepts standard System Management Bus (SMBus) Write Byte, Read Byte, Send Byte, and Receive Byte commands to program the alarm thresholds and to read temperature data. The data format is 11bits plus sign, with each bit cor-responding to 0.125°C, in two’s-complement format. Measurements can be done automatically and autonomously, with the conversion rate programmed by the user or programmed to operate in a single-shot mode. The adjustable rate allows the user to control the supply current drain. The G781 is available in a small, 8-pin SOP sur-face-mount package. Ordering Information PART* TEMP. RANGE PIN-PACKAGE G781 -20°C to +120°C 8-SOP Pin Configuration Typical Operating Circuit 10k

Description

The A1140, A1141, A1142, and A1143 devices are sensitive,

two-wire, unipolar, Hall effect switches that are factory-

programmed at end-of-line to optimize magnetic switchpoint

accuracy. These devices use a patented high frequency chopper-

stabilization technique, produced using the Allegro advanced

BiCMOS wafer fabrication process, to achieve magnetic

stability and to eliminate offset inherent in single-element

devices exposed to harsh application environments.

Commonly found in a number of automotive applications,

these switches are utilized to sense seat track position,

seat belt buckle presence, hood/trunk latching, and shift

selector position. Two-wire unipolar switches, such as the

A1140/41/42/43 family, are particularly advantageous in

price-sensitive applications because they require one less