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MC145170D2 Folha de dados(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC145170D2 Folha de dados(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 32 page © Freescale Semiconductor, Inc., 2005. All rights reserved. Freescale Semiconductor Technical Data Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products. MC145170-2/D Rev. 5, 1/2005 MC145170-2 SCALE 2:1 Package Information D Suffix Plastic DIP Package Case 751B Package Information DT Suffix TSSOP Package Case 948C Package Information P Suffix SOG Package Case 648 Ordering Information Device Operating Temperature Range Package MC145170P2 TA = -40 to 85°C Plastic DIP MC145170D2 SOG-16 MC145170DT2 TSSOP-16 1 Introduction The new MC145170-2 is pin-for-pin compatible with the MC145170-1. A comparison of the two parts is shown in Table 1 on page 2. The MC145170-2 is recommended for new designs and has a more robust power-on reset (POR) circuit that is more responsive to momentary power supply interruptions. The two devices are actually the same chip with mask options for the POR circuit. The more robust POR circuit draws approximately 20 µA additional supply current. Note that the maximum specification of 100 µA quiescent supply current has not changed. The MC145170-2 is a single-chip synthesizer capable of direct usage in the MF, HF, and VHF bands. A special architecture makes this PLL easy to program. Either a bit- or byte-oriented format may be used. Due to the patented BitGrabber ™ registers, no address/steering bits are required for random access of the three registers. Thus, tuning can be accomplished via a 2-byte serial transfer to the 16-bit N register. MC145170-2 PLL Frequency Synthesizer with Serial Interface Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Electrical Characteristics . . . . . . . . . . . . . . . 3 3 Pin Connections . . . . . . . . . . . . . . . . . . . . . . . 9 4 Design Considerations . . . . . . . . . . . . . . . . 18 5 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 |
Nº de peça semelhante - MC145170D2 |
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Descrição semelhante - MC145170D2 |
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