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ST52T400 数据表(PDF) 82 Page - STMicroelectronics |
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ST52T400 数据表(HTML) 82 Page - STMicroelectronics |
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82 / 94 page  ST52T400/T440/E440/T441 82/94 Subject to general operating condition for VDD,fosc, and TA, unless otherwise specified. Figure 11.12 Port A and Port C pin Equivalent Circuit (ST52T400 and ST52X440) Figure 11.13 Port B Pin Equivalent Circuit (ST52T400 and ST52X440) 11.10 Table 11.12 Output Driving Current Symbol Parameter Test Conditions Min Typ Max Unit RS Input protection resistor All input Pins 1 k Ω CS Pin Capacitance All input Pins 5 pF Rpu Pull-up resistor (*) All input Pins 22 k Ω (*) ST52T400 and ST52X440 only V V Device V V R DD SS IN OUT S CS Input/Output RPU V SS VDD V Input/Output Device SS V CS V SS S R OUT VIN VDD VDD PU R When the triac-driver is configured in burst-mode or phase partialization the pull-up in main1 and main2 pins are disabled. When the Port B pin is configured as analog input the pull-up is disabled. |
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