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ISL45042 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL45042 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 8 page 7 FN6072.8 July 9, 2008 ISL45042 Truth Table The ISL45042 truth table is shown in Table 2. For proper operation, the CE should be disabled (pulled low) before powering the device down to assure that the glitches and transients will not cause unwanted EEPROM overwriting. . TABLE 2. TRUTH TABLE INPUT OUTPUT CTL CE VDD OUT ICC MEMORY Mid to Hi Hi VDD Increment Normal X Mid to Lo Hi VDD Decrement Normal X X Lo VDD No Change Increased Read >4.9V Hi VDD No Change Increased Program CTL VDD/2 CTL LOW CTL HIGH CE 78 79 7A 7B 7A UNDEF. COUNTER OUTPUT CTLILMPW CTLMTC CTLIHRPW CTLILRPW FIGURE 7. ISL45042 TIMING DIAGRAM VCOM CEST IGNORES 1ST PULSE AFTER PROGRAMMING STOP PROGRAMMING AFTER POWER IS 1ST APPLIED, THE VERY 1ST CTL PULSE IS IGNORED. THE TIMING DIAGRAM SHOWS POST POWER-UP TIMING. NOTE: START PROGRAMMING START PROGRAMMING CTLIHMPW ISL45042 |
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