ST8004 Ver la hoja de datos (PDF) - STMicroelectronics
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ST8004 Datasheet PDF : 26 Pages
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Electrical characteristics
ST8004
Table 10.
Symbol
Data lines (pins I/OUC, AUX1UC AND AUX2UC with 10 kΩ Pull-up resistor connected
to VDD internally (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted.Typical
values are to TA = 25°C)
Parameter
Test Conditions
Min. Typ. Max. Unit
tT(DI)
tT(DO)
CI
Input transition times
Output transition times
Input capacitance
From VIL max to VIH min
CO = 30 pF, no DC load; 10% to
90% from 0 to VDD
1
µs
0.1
µs
10
pF
Table 11.
Symbol
Internal oscillator (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless otherwise noted.Typical
values are to TA = 25°C)
Parameter
Test Conditions
Min. Typ. Max. Unit
fOSC(INT) Frequency of internal oscillator
2.2
3.2 MHz
Table 12.
Symbol
Reset output to the card (pin RST) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless
otherwise noted. Typical values are to Ta = 25°C)
Parameter
Test Conditions
Min. Typ. Max. Unit
VO(INACTIVE)
Output Voltage in Inactive
Mode
IO = 1 mA
No Load
0
0.3
V
0
0.1
tD(RSTIN-RST)
Delay between pins RSTN
and RST
RST Enable
2
µs
VOL
VOH
tR, tF
Low Level Output Voltage
High Level Output Voltage
Rise and fall time
(10% to 90% of VCC)
IOL = 200 µA
IOH = -200 µA
CO = 250 pF
0
0.9 VCC
0.2
V
VCC
V
0.1
µs
Table 13.
Symbol
Clock output to the card (pin CLK) (VDD = 3.3V, VDDP = 5V, fXTAL = 10MHz, unless
otherwise noted. Typical values are to TA = 25°C)
Parameter
Test Conditions
Min. Typ. Max. Unit
IO = 1 mA
VO(INACTIVE) Output Voltage in Inactive Mode No Load
0
0.3
V
0
0.1
VOL
VOH
tR, tF
d
SR
Low Level Output Voltage
High Level Output Voltage
Rise and fall time
(10% to 90% of VCC)
Duty cycle factor (except for
fXTALS) (See Note 4)
Slew Rate (rise and fall edge)
IOL = 200 µA
IOH = -200 µA
CO = 35 pF (Note 2)
CO = 35 pF (Note 2)
CO = 35 pF
0
0.9 VCC
45
0.2
0.3
V
VCC
V
8
ns
55
%
V/ns
10/26
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