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ST8034HC Datasheet(PDF) 18 Page - STMicroelectronics

Part # ST8034HC
Description  24-pin smartcard interfaces
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST8034HC Datasheet(HTML) 18 Page - STMicroelectronics

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Electrical characteristics
ST8034HN, ST8034HC
18/31
DocID024511 Rev 2
Figure 5. Definition of duty cycle and input and output rise/fall times
Duty cycle (DC) = t1 / (t1 + t2).
Table 11. Timing characteristics
Symbol
Parameter
Test conditions(1)
Min.
Typ.
Max.
Unit
tACT
Activation time
See Figure 10 on
page 24
2090
4160
µs
tDEACT
Deactivation time
See Figure 11 on
page 25
35
90
250
µs
tD(START),
tD(END)
Delay time, CLK sent to card using an
external clock
tD(START) = t3,
see Figure 10 on
page 24
2090
4112
µs
tD(END) = t5,
see Figure 10 on
page 24
2120
4160
tDEB
Debounce time
PRES pin
3.2
4.5
6.4
ms
1. TA = 25 °C, VDD = 3.3 V, VDDP = 5 V, VDD(INTF) = 3.3 V, fXTAL = 10 MHz, unless otherwise noted.



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