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DS89C450-ENL+ Datasheet(PDF) 2 Page - Dallas Semiconductor |
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DS89C450-ENL+ Datasheet(HTML) 2 Page - Dallas Semiconductor |
2 / 48 page DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers 2 of 48 ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground………………………………………………………………………-0.3V to (VCC + 0.5V) Voltage Range on VCC Relative to Ground…………………………………………………………………………………..-0.3V to +6.0V Ambient Temperature Range (under bias)…………………………………………………………………………………-40°C to +85°C Storage Temperature Range……………………………………………………………………………………………….-55°C to +125°C Soldering Temperature…………………………………………………………………………………………See IPC/JEDEC J-STD-020 Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (VCC = 4.5V to 5.5V, TO = -40°C to +85°C.) (Note 1) PARAMETER SYMBOL MIN TYP MAX UNITS Supply Voltage (Notes 2, 3) VCC 4.5 5.0 5.5 V Power-Fail Warning (Notes 2, 4) VPFW 4.2 4.375 4.6 V Reset Trip Point (Min Operating Voltage) (Notes 2, 3, 4) VRST 3.95 4.125 4.35 V Supply Current, Active Mode (Note 5) ICC 75 110 mA Supply Current, Idle Mode at 33MHz (Note 6) IIDLE 40 50 mA Supply Current, Stop Mode, Bandgap Disabled (Note 7) ISTOP 1 100 mA Supply Current, Stop Mode, Bandgap Enabled (Note 7) ISPBG 150 300 mA Input Low Level (Note 2) VIL -0.3 +0.8 V Input High Level (Note 2) VIH 2.0 VCC + 0.3 V Input High Level XTAL and RST (Note 2) VIH2 3.5 VCC + 0.3 V Output Low Voltage, Port 1 and 3 at IOL = 1.6mA (Note 2) VOL1 0.15 0.45 V Output Low Voltage, Port 0 and 2, ALE, PSEN at IOL = 3.2mA (Note 2) VOL2 0.15 0.45 V Output High Voltage, Port 1, 2, and 3, at IOH = -50 mA (Notes 2, 8) VOH1 2.4 V Output High Voltage, Port 1, 2, and 3 at IOH = -1.5mA (Notes 2, 9) VOH2 2.4 V Output High Voltage, Port 0, 1, 2, ALE, PSEN, RD, WR in Bus Mode at IOH = -8mA (Notes 2, 10) VOH3 2.4 V Output High Voltage, RST at IOL = -0.4mA (Note 2, 11) VOH4 2.4 V Input Low Current, Port 1, 2, and 3 at 0.4V IIL -50 mA Transition Current from 1 to 0, Port 1, 2, and 3 at 2V (Note 12) ITL -650 mA Input Leakage Current, Port 0 in I/O Mode and EA (Note 13) IL -10 +10 mA Input Current, Port 0 in Bus Mode (Note 14) IL -300 +300 mA RST Pulldown Resistance (Note 13) RRST 50 120 200 k W |
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