поискавой системы для электроныых деталей |
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TC70 датащи(PDF) 3 Page - TelCom Semiconductor, Inc |
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TC70 датащи(HTML) 3 Page - TelCom Semiconductor, Inc |
3 / 7 page 5-9 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 ELECTRICAL CHARACTERISTICS: (Cont.) DC: Battery Backup and Threshold Detector: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified. Symbol Parameter Test Conditions Min Typ Max Unit IOUT1 VCCO Output Current VCC = 4.5V, VCCO = 3.5V 50 100 — mA IOUT2 VCCO Output Current in VCCO = VBATT – 0.3V 500 — — µA Battery Backup Mode VBATT = 2.8V VSW Battery Switchover Threshold — VBATT – 0.01 —V (VCC Falling) VHYST Battery Switchover Hysteresis — 20 — mV VOHCEO CEO Output Voltage in VCC < VBATT – 0.2, VBATT = 2.8V VBATT – 0.2 — — V Battery Backup Mode IOH = 10µA VTDI Threshold Detector Trip Voltage 1.2 — 1.4 V ITDI Threshold Detector Input Current TA = 25°C –25 — +25 nA VTDI (HYST) Threshold Detector Hysteresis — 10 — mV ELECTRICAL CHARACTERISTICS: AC: Power Supply Monitor, EXT. RESET and Watchdog: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified. Symbol Parameter Test Conditions Min Typ Max Unit tPBH PB Hold Time Figure 4 (Note 4) 20 — — msec tRST Reset Active Time Figure 6 500 — 900 msec tST RS STROBE Pulsewidth Figure 3 500 — — nsec tTD Watchdog Timeout Period Figure 3 500 700 900 msec tRPD VCC Detect to RS LOW Figure 6 — — 100 nsec ELECTRICAL CHARACTERISTICS: AC: Battery Backup and Threshold Detector: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified. Symbol Parameter Test Conditions Min Typ Max Unit tPD CE Propagational Delay Figure 7 — — 50 nsec ELECTRICAL CHARACTERISTICS: AC: TA = TMIN to TMAX. Symbol Parameter Test Conditions Min Typ Max Unit tF VCC Fall Time From Figure 5 (Note 1) 10 — — µsec 4.25V to 3.0V tR VCC Rise Time From Figure 5 (Note 1) 0 — — µsec 3.0V to 4.25V NOTES: 1. All voltages referenced to ground. 2. No output load. 3 Measured with VCCO and CEO open. 4. The RS output must be held low for a minimum of 20msec to guarantee a reset. TC70/71 MICROMASTER™ – SYSTEM SUPERVISOR WITH POWER SUPPLY MONITOR, WATCHDOG AND BATTERY BACKUP |
Аналогичный номер детали - TC70 |
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Аналогичное описание - TC70 |
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