STEVAL-IPT002V1 STMicroelectronics, STEVAL-IPT002V1 Datasheet - Page 15

• Manufacturer Part Number: STEVAL-IPT002V1
• Description: BOARD EVAL SMART CARD
• Manufacturer: STMicroelectronics

Specifications of STEVAL-IPT002V1

• Main Purpose: Memory, Smart Card
• Embedded: No
• Utilized Ic / Part: ST8024
• Primary Attributes: New Digital Systems (NDS) Compatible
• Secondary Attributes: Short-Circuit & Thermal Protection
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: ST8024
• Kit Application Type: Interface
• Application Sub Type: Smart Card Interface
• Kit Contents: Board CD Docs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8939

Table 20.
Note:
t
Symbol
debounce
t
ACT
t
DE
t
t
3
5
1
2
3
4
5
6
Activation time
Deactivation time
Start of the windows for sending
CLK to card
End of the windows for sending
CLK to card
Debounce time pins PRES and
PRES
V
T
Timing
range. When a parameter is specified as a function of V
at the moment of measurement.
To meet these specifications, pin V
multilayer capacitors of low ESR both with values of 100 nF and 100 nF (see
Permitted capacitor values are 100 + 100 nF, or 220 nF.
Transition time and duty factor definitions are shown in
Pin CMDVCC is active LOW; pin RSTIN is active HIGH; for CLKDIV1 and CLKDIV2
functions see
Pin PRES is active LOW; pin PRES is active HIGH see
integrated 1.25 µA current source to GND. (PRES to V
at least one of the inputs PRES or PRES is active.
Figure 3.
All parameters remain within limits but are tested only statistically for the temperature
A
DD
= 25 °C.
= 3.3 V, V
Parameter
Definition of output and input transition times
Table 20
DDP
= 5 V, f
XTAL
(See
(See
(See
(See
(See
= 10 MHz, unless otherwise noted. Typical values are to
Figure
Figure
Figure
Figure
Figure
Test conditions
CC
should be decoupled to CGND using two ceramic
5)
7)
6)
6)
8)
DD
DD
Figure 8
Figure
); the card is considered present if
Min.
or V
140
140
60
CC
3; δ = t
and
it means their actual value
Typ.
180
Figure
80
1
/(t
1
+ t
9; PRES has an
2
Max.
).
220
100
130
Figure
10).
Unit
µs
µs
µs
µs
µs
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