UM_8024C_061
73S8024C Demo Board User Manual
Rev. 1.3
9
3.2 Recommended Operating Conditions and Absolute Maximum Ratings
Table 2 lists the recommended operating conditions and Table 3 lists the absolute maximum ratings.
Operation outside these rating limits may cause permanent damage to the device.
Table 2: Recommended Operating Conditions
Parameter
Rating
Supply Voltage V
DD
2.7 to 3.6 VDC
Supply Voltage V
PC
2.7 to 3.6 VDC
Ambient Operating Temperature
-40 °C to +85 °C
Input Voltage for Digital Inputs
0 V to V
DD
+ 0.3 V
Table 3: Absolute Maximum Ratings
Parameter
Rating
Supply Voltage V
DD
-0.5 to 4.0 VDC
Supply Voltage V
PC
-0.5 to 4.0 VDC
Input Voltage for Digital Inputs
-0.3 to (VDD+0.5) VDC
Storage Temperature
-60 °C to 150 °C
Pin Voltage
-0.3 to (VDD+0.5) VDC
Pin Current
±100 mA
ESD Tolerance – Card interface pins
+/- 6 kV
ESD Tolerance – Other pins
+/- 2 kV
ESD testing on Card pins is HBM condition, 3 pulses, each polarity referenced to ground.
3.3 73S8024C Pin Description
Table 4: 73S8024C Card Interface Pins
Name
Pin #
Description
I/O
11
Card I/O: Data signal to/from card. Includes a pull-up resistor to V
CC.
AUX1
13
AUX1: Auxiliary data signal to/from card. Includes a pull-up resistor to V
CC.
AUX2
12
AUX2: Auxiliary data signal to/from card. Includes a pull-up resistor to V
CC.
RST
14
Card reset: provides reset (RST) signal to card.
CLK
15
Card clock: provides clock signal (CLK) to card. The rate of this clock is
determined by crystal oscillator frequency or external clock input and
CLKDIV selections.
PRES
10
Card Presence switch: active high indicates card is present. Should be tied
to GND when not used, but it includes a high-impedance pull-down resistor.
PRES
9
Card Presence switch: active low indicates card is present. Should be tied
to V
DD
when not used, but it includes a high-impedance pull-up resistor.
VCC
17
Card power supply: logically controlled by sequencer output of LDO
regulator. Requires an external filter capacitor to the card GND.
GND
14
Card ground.
