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MAX6316 数据表(PDF) 3 Page - Maxim Integrated Products |
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MAX6316 数据表(HTML) 3 Page - Maxim Integrated Products |
3 / 16 page 5-Pin µP Supervisory Circuits with Watchdog and Manual Reset _______________________________________________________________________________________ 3 Note 3: This is the minimum time RESET must be held low by an external pull-down source to set the active pull-up flip-flop. Note 4: Measured from RESET VOL to (0.8 x VCC), RLOAD = ∞. Note 5: WDI is internally serviced within the watchdog period if WDI is left unconnected. Note 6: The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is designed for a three-stated-output device with a 10µA maximum leakage current and capable of driving a maximum capaci- tive load of 200pF. The three-state device must be able to source and sink at least 200µA when active. µA 1.0 ILKG Open-Drain Reset Output Leakage Current ns 400 tS Transition Flip-Flop Setup Time 333 ns 333 tR RESET Output Rise Time (Note 4) UNITS MIN TYP MAX SYMBOL PARAMETER (Note 3) VCC = 5.0V, CL = 200pF VCC = 3.0V, CL = 120pF CONDITIONS ELECTRICAL CHARACTERISTICS (continued) (VCC = 2.5V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) 666 666 VCC = 5.0V, CL = 400pF VCC = 3.0V, CL = 250pF V 0.4 0.65 VPTH Active Pull-Up Enable Threshold VCC = 5.0V mA 20 RESET Active Pull-Up Current VCC = 5.0V k Ω 4.2 4.7 5.2 RESET Pull-Up Resistance V 0.3 VOL RESET Output Voltage VCC ≥ 1.0V, ISINK = 50µA 0.3 VCC ≥ 1.2V, ISINK = 100µA 0.3 VCC ≥ 2.7V, ISINK = 1.2mA 0.4 VCC ≥ 4.5V, ISINK = 3.2mA ms 4.3 6.3 9.3 tWD Watchdog Timeout Period MAX63_ _ _ W-T 71 102 153 MAX63_ _ _ X-T sec 1.12 1.6 2.4 MAX63_ _ _ Y-T 17.9 25.6 38.4 MAX63_ _ _ Z-T ns 50 tWDI WDI Pulse Width VIL = 0.3 x VCC, VIH = 0.7 x VCC V 0.3 x VCC VIL WDI Input Threshold (Note 5) 0.7 x VCC 120 160 IWDI WDI Input Current (Note 6) WDI = VCC, time average -20 -15 VWDI = 0, time average VIH V 0.8 VIL MR Input Threshold VTH > 4.0V 2.0 VIH 0.3 x VCC VIL VTH < 4.0V 0.7 x VCC VIH µs 1 MR Input Pulse Width ns 100 MR Glitch Rejection k Ω 35 52 75 MR Pull-Up Resistance ns 230 MR to Reset Delay VCC = 5V µA BIDIRECTIONAL RESET OUTPUT (MAX6316M/MAX6318MH/MAX6319MH) OPEN-DRAIN RESET OUTPUT (MAX6320P/MAX6321HP/MAX6322HP) WATCHDOG INPUT (MAX6316/MAX6317H/MAX6318_H/MAX6320P/MAX6321HP) MANUAL-RESET INPUT (MAX6316_/MAX6317H/MAX6319_H/MAX6320P/MAX6322HP) |
类似零件编号 - MAX6316 |
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类似说明 - MAX6316 |
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