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MC14LC5447P 数据表(PDF) 2 Page - Motorola, Inc |
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MC14LC5447P 数据表(HTML) 2 Page - Motorola, Inc |
2 / 12 page MC14LC5447 MOTOROLA 2 ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND, except where noted) Rating Symbol Value Unit DC Supply Voltage VDD – 0.5 to + 6.0 V Input Voltage, All Pins Vin – 0.5 to VDD + 0.5 V DC Current Drain Per Pin I ± 10 mA Power Dissipation PD 20 mW Operating Temperature Range TA 0 to + 70 °C Storage Temperature Range Tstg – 40 to + 150 °C ELECTRICAL CHARACTERISTICS (All polarities referenced to VSS = 0 V, VDD = + 5 V ± 10%, unless otherwise noted, TA = 0 to + 70°C) Parameter Symbol Min Typ Max Unit DC Supply Voltage VDD 3.5 5 6 V Supply Current (All Output Pins Unloaded) (See Figure 1) RT = 0, PWRUP = 1, XTAL = 3.58 MHz IDD — 2.4 3 mA Supply Current (All Output Pins Unloaded) (See Figure 1) PWRUP = 0, RT = Don’t Care, XTAL = 3.58 MHz IDD — 4.0 5.5 mA Standby Current (All Output Pins Unloaded) (See Figure 1) RT = 1, PWRUP = 1 ISTBY — — 1 µA Input Voltage 0 Level (CLKSIN, OSCin) VIL — — VDD x 0.3 V Input Voltage 1 Level (CLKSIN, OSCin) VIH VDD x 0.7 — — V Output Voltage High: VDD = 5 V (DOR, DOC, OSCout) IOH = 40 µA IOH ≤ 1 µA VOH 2.4 4.95 — — V Output Voltage Low: VDD = 5 V (DOR, DOC, OSCout) IOL = 1.6 mA IOL ≤ 1 µA VOL — — 0.4 0.05 V Input Leakage Current (OSCin, CLKSIN, PWRUP, RT, RDI1, and RDI2) Iin — — ± 1 µA Output Voltage Low: VDD = 5 V (RDO, RT, CDO) IOL = 2.0 mA VOL — — 0.4 V Input Threshold Voltage Positive Going: VDD = 5 V (RDI1, RT, PWRUP) (See Figure 3) VT+ 2.5 2.75 3.0 V Input Threshold Voltage Negative Going: VDD = 5 V (RDI1, RT, PWRUP) (See Figure 3) VT– 2.0 2.3 2.6 V RDI2 Threshold RD2VT 1.0 1.1 1.2 V TIP/RING Input dc Resistance Rin — 250 — k Ω ANALOG CHARACTERISTICS (VDD = + 5 V, TA = + 25°C, unless otherwise noted, 0 dBm = 0.7746 Vrms @ 600 Ω) Characteristic Min Typ Max Unit Input Sensitivity: TIP and RING (Pins 1 and 2, VDD = + 5 V) – 40 – 45 — dBm Band–Pass Filter (BPF) Frequency Response (Relative to 1700 Hz @ 0 dBm) 60 Hz 500 Hz 2700 Hz ≥ 3300 Hz — — — — – 64 – 4 – 3 – 34 — — — — dB Carrier Detect Sensitivity — – 48 — dBm This device contains circuitry to protect the inputs against damage due to high static volt- ages or electric fields. However, it is advised that normal precautions be taken to avoid applica- tions of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation it is recommended that Vin and Vout be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic voltage level (e.g., either VSS or VDD). AR CH IVE D B Y F RE ES CA LE SE MI CO ND UC TO R, INC . |
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