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CDCU877ZQL Datasheet(PDF) 3 Page - Texas Instruments |
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CDCU877ZQL Datasheet(HTML) 3 Page - Texas Instruments |
3 / 17 page CDCU877/CDCU877A 1.8V PHASE LOCK LOOP CLOCK DRIVER SCAS688A − JUNE 2003 − REVISED JANUARY 2004 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Table 1. Terminal Functions NAME BGA MLF I/O DESCRIPTION AGND G1 7 Analog ground AVDD H1 8 Analog power CK E1 4 I Clock input with a (10 k Ω to 100 kΩ) pulldown resistor CK F1 5 I Complementary clock input with a (10 k Ω to 100 kΩ) pulldown resistor FBIN E6 27 I Feedback clock input FBIN F6 26 I Complementary feedback clock input FBOUT H6 24 O Feedback clock output FBOUT G6 25 O Complementary feedback clock output OE F5 22 I Output enable (asynchronous) OS D5 21 I Output select (tied to GND or VDD) GND B2, B3, B4, B5, C2, C5, H2, H5, J2, J3, J4, J5 10 Ground VDDQ D2, D3, D4, E2, E5, F2, G2, G3, G4, G5 1, 6, 9, 15, 20, 23, 28, 31, 36 Logic and output power Y[0:9] A2, A1, D1, J1, K3, A5, A6, D6, J6, K4 38, 39, 3, 11, 14, 34, 33, 29, 19, 16 O Clock outputs Y[0:9] A3, B1, C1, K1, K2, A4, B6, C6, K6, K5 37, 40, 2, 12, 13, 35, 32, 30, 18, 17 O Complementary clock outputs Table 2. Function Table INPUTS OUTPUTS PLL AVDD OE OS CK CK Y Y FBOUT FBOUT PLL GND H X L H L H L H Bypassed/ Off GND H X H L H L H L Bypassed/ Off GND L H L H LZ LZ L H Bypassed/ Off GND L L H L LZ Y7 Active LZ Y7 Active H L Bypassed/ Off 1.8 V Nominal L H L H LZ LZ L H On 1.8 V Nominal L L H L LZ Y7 Active LZ Y7 Active H L On 1.8 V Nominal H X L H L H L H On 1.8 V Nominal H X H L H L H L On 1.8 V Nominal X X L L LZ LZ LZ LZ Off X X X H H Reserved |
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