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LS7222 Datasheet(PDF) 3 Page - LSI Computer Systems |
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LS7222 Datasheet(HTML) 3 Page - LSI Computer Systems |
3 / 4 page Quiescent supply current: (100pF capacitor to Vss and 1.5M Ω resistor to VDD, connected to the RC-OSC input) SYMBOL VDD MAX UNIT IDD 5V 15 µA IDD 9V 25 µA IDD 12V 30 µA MAXIMUM RATINGS: (Voltages references to VSS) RATING SYMBOL VALUE UNIT DC supply voltage VDD +4 to +18 V Operating temperature range TA -25 to +70 °C Storage temperature TSTG -65 to +150 °C DC Electrical Characteristics: (Vss = 0V, VDD = +4V to +15V, = 25°C ≤ TA ≤ +70°C unless otherwise specified) PARAMETER CONDITIONS VDD MIN TYP MAX UNIT Output source current Logic 1 Output 5V 1.50 2.50 - mA Lock Display, Arm, Disarm VOUT ≥ VDD - 2V 12V 5.60 8.25 - mA Alarm, Lock 15V 7.25 10.7 - mA Program Mode Outputs Output Sink Current Logic 0 Output 5V .400 .60 - mA Lock Display, Arm, Disarm VOUT ≤ Vss + 0.4V 12V 1.20 1.70 - mA Alarm, Lock 15V 1.50 2.25 - mA Program Mode Outputs Output Source Current Logic 1 Output 5V .25 .400 - mA Tamper Output VOUT ≥ VDD - 2V 12V .90 1.30 - mA 15V 1.10 1.70 - mA Output Sink Current Logic 0 Output 5V .060 .100 - mA Tamper Output VOUT ≤ Vss + 0.4V 12V .200 .290 - mA 15V .250 .370 - mA Input Level Detection VIH = Logic 1 5V 3.5 - VDD V All Inputs 12V 8.0 - VDD V 15V 10.0 - VDD V VIL = Logic 0 5V Vss - 1.6 V 12V Vss - 4.0 V 15V Vss - 5.0 V KEYPAD ENTRY TIME vs. CAPACITOR ON CAP-K INPUT ENTRY TIME IN SECONDS 5.0 4.0 3.0 2.0 1.0 1 0 2 3 4 5 6 7 8 9 10 V DD = 9V VDD = 12V FIGURE 3. LS7222 PULSE WIDTH ON ARM, DISARM AND TAMPER OUTPUTS vs. CAPACITOR ON CAP-M INPUT FIGURE 4. PULSE WIDTH TIME IN SECONDS 10 -6 10 -5 10 -4 10 -3 10 -2 10-1 10 -9 10 -8 10 -7 10 -6 10 -5 10-10 V DD = 5V V DD = 9V 7222-12201-3 |
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