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HT9200A Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT9200A Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
4 / 8 page Absolute Maximum Ratings* Supply Voltage ................................. –0.3V to 6V Storage Temperature................. –50 °C to 125°C Input Voltage.................... VSS–0.3 to VDD +0.3V Operating Temperature............... –20 °C to 75°C *Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maxi- mum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Electrical Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage — — 2 — 5.5 V IDD Operating Current 2.5V S/P=VDD,D0~D3=VSS, CE=VSS, No load — 240 2500 µA 5.0V — 950 3000 VIL “Low” Input Voltage — — VSS — 0.2VDD V VIH “High” Input Voltage — — 0.8VDD —VDD V ISTB Standby Current 2.5V S/P=VDD,CE=VDD, No load —— 1 µA 5.0V — — 2 RP Pull-high Resistance 2.5V VOL=0V 120 180 270 k Ω 5.0V 45 68 100 tDE DTMF Output Delay Time (Parallel Mode) 5V — — tUP+6 tUP+8 ms VTDC DTMF Output DC Level 2V~ 5.5V DTMF Output 0.45VDD — 0.75VDD V ITOL DTMF Sink Current 2.5V VDTMF=0.5V –0.1 — — mA VTAC DTMF Output AC Level 2.5V Row group, RL=5k Ω 0.12 0.15 0.18 Vrms ACR Column Pre-emphasis 2.5V Row group=0dB 1 2 3 dB RL DTMF Output Load 2.5V tHD ≤ –23dB 5 — — k Ω tHD Tone Signal Distortion 2.5V RL=5k Ω —–30 –23 dB fCLK Clock Input Rate (Serial Mode) — — — 100 500 kHz tUP Oscillator Starting Time (When CE is low) 5.0V The time from CE falling edge to normal oscillator operation —— 10 ms fOSC System Frequency — Crystal=3.5795MHz 3.5759 3.5795 3.5831 MHz HT9200A/B 4 21st Aug ’98 |
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