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HT48C10 Datasheet(PDF) 11 Page - Holtek Semiconductor Inc |
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HT48C10 Datasheet(HTML) 11 Page - Holtek Semiconductor Inc |
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11 / 59 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VIL Input Low Voltage for I/O ports 3V — 0 — 0.9 V 5V — 0 — 1.5 VIH Input High Voltage for I/O Ports 3V — 2.1 — 3 V 5V — 3.5 — 5 VIL1 Input Low Voltage (TMR, TMR0, TMR1, INT) 3V — 0 — 0.7 V 5V — 0 — 1.3 VIH1 Input High Voltage (TMR, TMR0, TMR1, INT) 3V — 2.3 — 3 V 5V — 3.8 — 5 VIL2 Input Low Voltage (RES) 3V — — 1.5 — V 5V — — 2.5 — VIH2 Input High Voltage (RES) 3V — — 2.4 — V 5V — — 4.0 — IOL I/O Ports Sink Current 3V VOL=0.3V 1.5 4 — mA 5V VOL=0.5V 4 10 — IOH I/O Ports Source Current 3V VOH=2.7V –1 –2 — mA 5V VOH=4.5V –2 –4.5 — RPH Pull-high Resistance of I/O Ports and INT 3V — 40 60 80 k Ω 5V — 10 30 50 HT48CXX/HT48RXX 11 25th May ’99 |
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