PDF资料描述
reset, battery backup, CMOS RAM write protection, powerfailure warning and watchdog timing A precise internalvoltage reference and comparator circuit monitor thepower supply line When an out-of-tolerance condition, LIST/265 Input / output circuits441Motor driver ICs BA6287F Electrical characteristics (unless otherwise noted, Ta = 25 C, VCC = 9V, VM=9V, VREF = 9V), LIST/265input (OE) On the positive transition of the clock, theQ outputs willbe set to thelogic statethatweresetupat the D inputs (HCT574) or their complements(HCT564), LIST/265activities such as system wakeup§ Programmable interrupts and square waveoutput§ All registers are individually addressable via, LIST/2651436/LTC1437 are synchronous step-downswitching regulator controllers which drive externalN-channel power MOSFETs in a phase lockable, fixedfrequency architecture The Adaptive Power, LIST/265150 Watts of output power in an industry standard, half-brick package and footprintThese units featureultra-high efficiency, Class A conducted noise specs,and fixed switching frequencyThe HES is designed, LIST/265COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGESThe IDT logo is a registered trademark of Integrated Device Technology, IncFEATURES: One input to nine output buffer/driver, LIST/265design allows operation at frequencies from 4 MHz to dc This document contains information concerning standard, custom-ROM, and extended-voltage devic-es Standard devices include those with disabled ROM (MC68HC11K1), disabled EEPROM(MC68HC11K3), disabled ROM and EEPROM (MC68HC11K0), or EPROM replacing ROM, LIST/265Features Output frequency range: 1667 MHz to 200 MHz Input frequency range: 1667 MHz to 200 MHz 25V or 33V operation, LIST/265Notes on Operation1 Connection to RF amplifiersIn the CXA1915AN, the RF signals (I, J) are of the voltage-output type Therefore, the RF amplifier shouldhave an I-V amplifier at the input block because the servo signals (A to F) are of current-output type, LIST/265
