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ST8004 Fiches technique(PDF) 11 Page - STMicroelectronics |
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ST8004 Fiches technique(HTML) 11 Page - STMicroelectronics |
11 / 26 page ST8004 Electrical characteristics 11/26 Note: 1 To meet these specifications VCC should be decoupled to CGND using two ceramic multiplier capacitors of low ESR with values of 100nF. 2 The transition time and duty cycle factor are shown in Figure 9.; d = t1/(t1+t2). 3 PRES and CMDVCC are active Low; RSTIN and PRES are active High 4 Referred to the paragraph "CLOCK CIRCUITRY" 5 See paragraph "FAULT DETECTION". Table 14. Logic inputs (pins CLKDIV1, CLKDIV2, PRES, PRES, CMDVCC, RSTIN and 5V/3V, VTHSEL (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to Ta = 25°C) (Note 3) Symbol Parameter Test Conditions Min. Typ. Max. Unit VIL Low Level Input Voltage 0 0.3 VDD V VIH High Level Input Voltage 0.7 VDD VDD V |ILIH| Input Leakage Current when high VIL = 0 to VDD 5µA |ILIL| Input Leakage Current when low VIH = 0 to VDD 5 µA Table 15. OFF outputs (pin OFF is an open drain with an internal 20 k Ω Pull-up resistor to VDD); (see note 5) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VOL Low Level Output Voltage IOL = 2 mA 0.4 V VOH High Level Output Voltage IOH = -15 µA 0.75 VDD V Table 16. Protection (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit TSD Shut down temperature 135 °C ICC(SD) Shut down current at VCC 150 mA Table 17. Timing (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted. Typical values are to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit tACT Activation sequence duration (See Figure 5.)180 220 µs tDE Deactivation sequence duration (See Figure 6.)60 80 100 µs t3 Start of the windows to send CLK to card (See Figure 5.)130 µs t5 End of the windows to send CLK to card (See Figure 5.)140 µs |
Numéro de pièce similaire - ST8004_07 |
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Description similaire - ST8004_07 |
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