DEMOKITCRX14 STMicroelectronics, DEMOKITCRX14 Datasheet - Page 31

• Manufacturer Part Number: DEMOKITCRX14
• Description: RFID EVALUATION KIT ISO14443-B
• Manufacturer: STMicroelectronics
• Type: Development kitr

Specifications of DEMOKITCRX14

• Contents: CD-ROM, CRX14 Board, USB Transceiver, Samples and Documentation
• Processor To Be Evaluated: CRX14
• Interface Type: I2C
• Operating Supply Voltage: 5 V
• For Use With/related Products: CRX14
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3704

DC AND AC PARAMETERS
This section summarizes the operating and mea-
surement conditions, and the DC and AC charac-
teristics of the device. The parameters in the DC
and AC Characteristic tables that follow are de-
rived from tests performed under the Measure-
Table 9. I²C AC Measurement Conditions
Figure 34. I²C AC Testing I/O Waveform
Table 10. I²C Input Parameters
Note: 1. Sampled only, not 100% tested.
V
Ambient Operating Temperature (T
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Reference Voltages
0.2V CC
0.8V CC
Symbol
CC
C
C
t
Supply Voltage
NS
2. T
IN
IN
A
= 25 °C, f = 400kHz.
Input Capacitance (SDA)
Input Capacitance (SCL, E0, E1, E2))
Low Pass Filter Input Time Constant (SCL & SDA Inputs)
Parameter
A
)
(1,2)
Parameter
0.3V CC
0.7V CC
AI09235
ment Conditions summarized in the relevant
tables. Designers should check that the operating
conditions in their circuit match the measurement
conditions when relying on the quoted parame-
ters.
0.2V
0.3V
Min.
4.5
20
CC
CC
Test Condition
0.8V
0.7V
Max.
5.5
85
50
Min.
100
CC
CC
Max.
400
8
6
Unit
CRX14
°C
ns
V
V
V
Unit
31/40
pF
pF
ns