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http://www.dz863.com/pinout-810147063-PEF4268/ http://www.seekchip.com/icstock-P/PEF4268T.html de insistat ptr. datasheet Slic-dc - Pef 4268 Ringing Slic With Integrated Dc/dc Converter Part No : PEF4268 pinout File Size : 34 KB Pages : 2 Pages PEF4268 Pinout 1. limited to warranties of non-infringement, regarding circuits, Application Circuit find PEF4268 datasheet Other Part Numbers in this pdf file SLIC-DC PEF4268T PEF4268F The ringing SLIC-DC with integrated DC/DC converter, is the latest addition to Infineon’s family of SLIC products. The SLIC-DC provides cost optimized solutions for CPE applications and requires only a single power supply voltage. All POTS supply voltages are generated by the on-chip DC/DC converter using only a few external components. Additional SLIC-DC features include a patented ring mode that significantly lowers power consumption of the chip, with a corresponding lower heat dissipation and total system power consumption. The SLIC-DC is also offered in two packages to provide maximum design flexibility. In combination with Infineon’s DuSLIC Codec the SLIC-DC can be used to create xDSL or ISDN CPEs. The SLIC-DC is also highly suited for Analog Telephone Adapter (ATA) and VoIP gateway solutions, when combined with Infineon's VINETIC analog Voice Processor and the ADM5120SP CPU. Features ■ ■ ■ ■ ■ ■ ■ Applications ■ ■ ■ ■ ■ ■ ■ Customer Premises Equipment (CPE) ISDN CPE xDSL CPE Analog Telephone Adapter VoIP Gateways Cable modems Small PABX ■ ■ ■ ■ ■ ■ ■ Applications ■ ■ ■ ■ ■ ■ ■ Customer Premises Equipment (CPE) ISDN CPE xDSL CPE Analog Telephone Adapter VoIP Gateways Cable modems Small PABX ■ ■ ■ ■ ■ ■ Balanced ringing SLIC with integrated DC/DC converter Patented ring mode allows significant power reduction Uses robust technology based on Infineon’s popular SLIC-E, PEB 4265 New Interface towards VINETIC-2CPE. Backward compatible to standard Infineon Codec-SLIC Interface known from SLIC-S, SLIC-E and SLIC-P Minimized external component count in order to enable high board density design DC/DC output voltage up to -150 V Single unregulated power supply voltage between 9 V and 40 V. All other voltages are generated internally. Up to 85 Vrms sinusodial ringing Fully programmable DC feed characteristic Sensing of transversal line currents Supports Integrated Test and Diagnostic Function (ITDF), e.g. GR-909 Synchronization of up to 8 SLIC-DC’s Low-cost BOM Slic-dc - Pef 4268 Ringing Slic With Integrated Dc/dc Converter The ringing SLIC-DC with integrated DC/DC converter, is the latest addition to Infineon’s family of SLIC products. The SLIC-DC provides cost optimized solutions for CPE applications and requires only a single power supply voltage. All POTS supply voltages are generated by the onchip DC/DC converter using only a few external components. Additional SLIC-DC features include a patented ring mode that significantly lowers power consumption of the chip, with a corresponding lower heat dissipation and total system power consumption. The SLIC-DC is also offered in two packages to provide maximum design flexibility. In combination with Infineon’s DuSLIC Codec the SLIC-DC can be used to create xDSL or ISDN CPEs. The SLIC-DC is also highly suited for Analog Telephone Adapter (ATA) and VoIP gateway solutions, when combined with Infineon's VINETIC analog Voice Processor and the ADM5120SP CPU. Description VOUT: Main output voltage (3.3V, 5V or adjustable) which has highest priority in the multiplexing scheme, as long as VGD is above the critical level of 7.5V. Loads over 150mA are achievable at 1V input voltage. This output will startup with 1V input at full load. Applications Features APPLICATION HINTS The PEF4268FV1.1, PEF4268FV1.1 voltage references are easier to use than The low-cost PEF4268FV1.1 is a 14-bit, 10MH zener diodes. Their low impedance and wide current range facilitate biasing in any cir- cuits. Besides, the full-scale input signals up to Nyquist frequenc breakdown voltage or the tem- perature coefficient can be adjusted so as to opti- mize the performance of error (DNL), signal-to-noise ratio (SNR), and t the circuit. Figure 1 represents a PEF4268FV1.1 with a 10kΩ potenti- ometer to adjust the reverse ideal choice for both time-domain (CCD/FPA breakdown voltage which can be adjusted without altering the temper- ature coefficient of the circuit. The (radar, telecommunications, spectrum analysi adjustment range is generally sufficient to adjust the initial tol- erance of the circuit and the inaccuracy of the am- plifier circuit. To obtain a lower temperature coefficient two di- odes can be connected in series as indicated in Figure 2. When the circuit is adjusted to 2.49V the tempera- ture coefficient is minimized. For a correct temperature coefficient, the diodes should be at the same ambient temperature as the PEF4268FV1.1. The value of R1 is not critical (2-20kΩ). Description The HYM72V16M736B(L)T6 Series are 16Mx72bits Synchronous DRAM Modules. The modules are composed of five 16Mx16bits CMOS Synchronous DRAM in 400mil 54pin TSOP-II package, one 2Kbit EEPROM in 8pin TSSOP package on a 144 pin glass-epoxy printed circuit board. Applications THD+N levels of 0.06%(1kHz, 1Wrms). Efficiency is greater than 80% typical, which eliminates the need Features Current Limit (Input): A resistor (RSET) conne for heatsinks in most applications. The AudioMAX™ solution requires a single supply voltage, simplifying as ILIMIT = CLF/RSET. CLF is the current lim input power requirements where a dual supply may not be available. To minimize potential environmental the PEF4268TV1.14/45, the continuous outpu noise issues and ease the integration of the amplifier into a variety of applications, features such as a balanced/differential audio input and a high power supply rejection ratio help reduce the effects of noise from the audio signal or power supply. Description via an RF or an infrared transmission medium upon receipt of a trigger signal. The capability to select a TE trigger on the HT12E or a DATA trigger on the HT12 further enhances the ap- plication flexibility of the 212 series of encoders. The HT12A additionally provides a 38kHz car- rier for infrared systems. Applications Features (UART or clock synchronous) x 3 Clock synchronous 10 bits x (8 + 8 + 8 + 2) inputs 8 bits x 2 channels PEF4268TV1.25985-01-178-4406 PEF4268T CRC-CCITT 2 channels (trigger: 23 sources) 2 channels, 2.0B active 15 bits x 1 (with prescaler) 29 PEF4268TV1.25895-01-389-9497 PEF4268T internal and 9 external sources, 4 software sources, 7 priority levels PEF4268TV1.245895-01-394-6080 PEF4268 PEF4268TV1.25985-01-457-7382 PEF4268T Description Programmable undervoltage and overvoltage detectors disconnect the load whenever the input supply exceeds the desired operating range. The LTC4252s supply input is shunt regulated, allowing safe operation with very high supply voltages. A multifunction timer delays initial start- up and controls the circuit breakers response time. The circuit breakers response time is accelerated by sensing excessive MOSFET drain voltage, keeping the MOSFET within its safe operating area (SOA). A programmable soft-start circuit controls MOSFET inrush current at start- up. A power good status output can enable a power module a start-up or disable it if the circuit breaker trips. Applications Features In addition to ISR capability, a new feature called bus-hold has been added to all FLASH370i I/Os and Xilinx offers a TotalCMOS CPLD, both in proc dedicated input pins. Bus-hold, which is an improved version of the popular internal pull-up resistor, is a cascade of CMOS gates to implement its sum weak latch connected to the pin that does not degrade the devices performance. As a latch, bus-hold This CMOS gate imple- mentation allows Xilin recalls the last state of a pin when it is three-stated, thus reducing system noise in bus-interface power, breaking the paradigm that to have low applications. Bus-hold additionally allows unused device pins to remain unconnected on the board, which and Table 1 showing the ICC vs. Frequency o is particularly useful during prototyping as designers can route new signals to the device without cutting up/down, loadable 16-bit counters at 3.3V, 25 trace connections to VCC or GND.