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| MC145170-2 |
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FREESCALE |
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6 page
MC145170-2 Technical Data, Rev. 5 6 Freescale Semiconductor Electrical Characteristics 2.1 Switching Waveforms 10% V DD V SS 1/fclk D out CLK 90% 50% 90% 50% 10% t PLH t PHL t TLH t THL t w t w t f t r ENB D out D out 50% V DD V SS 50% t PZH t PZL t PLZ 50% t PHZ 10% 90% V DD V SS High Impedance High Impedance Figure 2. Figure 3. D in CLK 50% Valid 50% t su t h V DD V SS V DD V SS CLK ENB 50% t su t h First CLK Last CLK t rec 50% V DD V SS V DD V SS t w(H) Figure 4. Figure 5. * Includes all probe and fixture capacitance. Test Point Device Under Test CL* Test Point Device Under Test CL* *Includes all probe and fixture capacitance. 7.5 k Ω Connect to V DD when testing t PLZ AND t PZL. Connect to V SS when testing t PHZ and tPZH. Figure 6. Test Circuit Figure 7. Test Circuit |
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