DS_8024RN_020 73S8024RN Data Sheet
Rev. 2 19
Symbol Parameter Condition Min Typ Max Unit
Reset and Clock for card interface, RST, CLK
V
INACT
Output voltage when outside
of session
Output current limit, RST
Output current limit, CLK
t
R
, t
F
Output rise time, fall time
L
= 35pF for CLK,
10% to 90%
8 ns
L
= 200pF for RST,
10% to 90%
100 ns
δ
Duty cycle for CLK
L
45 55 %
12.5 Characteristics: Digital Signals
Digital I/O Except for OSC I/O
R
OUT
Pull-up resistor, OFF 16 21 24
kΩ
Oscillator (XTALIN) I/O Parameters
Input Low Voltage - XTALIN
Input High Voltage - XTALIN
I
ILXTAL
GND < V
IN
< V
DD
-30 30 μA
f
MAX
Max freq. Osc or external
clock
27 MHz
δin
External input duty cycle limit
R/F
IN
48 52 %
