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ST52T400 데이터시트(PDF) 80 Page - STMicroelectronics |
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ST52T400 데이터시트(HTML) 80 Page - STMicroelectronics |
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80 / 94 page ![]() ST52T400/T440/E440/T441 80/94 11.9 Port Pin Characteristics 11.9.1 General Characteristics. Subject to general operating condition for VDD,fosc, and TA, unless otherwise specified. Notes: 1. Unless otherwise specified, typical data is based on TA=25 °C and VDD=5 V 2. Hysteresis voltage between Schmitt trigger switching level. Based on characterization results, not tested in production. Symbol Parameter Condition Min Typ1) Max Unit VIL CMOS type low level input voltage. Port B pins. (See Fig 11.13) 1.5 V TTL type Schmitt trigger low level input voltage. Port A and Port C pins. (See Fig. 11.12) 0.8 VIH CMOS type high level input voltage. Port B pins. (See Fig 11.13) 3.3 TTL type Schmitt trigger high level input voltage. Port A and Port C pins. (See Fig. 11.12) 2.2 Vhys Schmitt trigger voltage hysteresis 2) 1 IL Input leakage current VSS≤VIN≤VDD ±1 µA IS Static current consumption3) Floating input mode 200 |
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