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HCS160K Datasheet(PDF) 2 Page - Intersil Corporation |
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HCS160K Datasheet(HTML) 2 Page - Intersil Corporation |
2 / 9 page 184 HCS160MS Functional Block Diagram TRUTH TABLE OPERATING MODE INPUTS OUTPUTS MR CP PE TE SPE Pn Qn TC Reset (Clear) L XXXXX L L Parallel Load H X X l l L L H X X l h H (Note 1) Count H h h h (Note 3) X Count (Note 1) Inhibit H X l (Note 2) X h (Note 3) X qn (Note 1) H X X l (Note 2) h (Note 3) X qn L H = HIGH Voltage Level L = LOW Voltage Level h = HIGH voltage level one setup time prior to the LOW-to-HIGH clock transition l = LOW voltage level one setup time prior to the LOW-to-HIGH clock transition X = Immaterial q = Lower case letterindicate the state of the referenced output prior to the LOW-to-HIGH clock transition = LOW-to-HIGH clock transition NOTES: 1. The TC output is HIGH when TE is HIGH and the counter is at terminal count (HHHH for 161 and HLLH for 160) 2. The HIGH-to-LOW transition of PE or TE on the 54/74161 and 54/74160 should only occur while CP is high for conventional operation 3. The LOW-to-HIGH transition of SPE on the 54/74161 and 54/74160 should only occur while CP is high for conventional operation SPE MR CP PE TE MR D0 T0 CP P Q0 Q0 Q0 14 15 TC MR D1 T1 CP P Q1 Q1 13 MR D2 T2 CP P Q2 Q0 12 MR D3 T3 CP P Q3 Q1 11 Q0 Q3 Q3 Q3 Q0 Q3 Q0 Q0 Q1 Q2 Q3 Q0 Q3 Q0 Q1 Q2 P3 P2 P1 P0 34 56 GND VCC 16 8 Spec Number 518834 |
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