CR14_10 STMICROELECTRONICS [STMicroelectronics], CR14_10 Datasheet - Page 36

• Manufacturer Part Number: CR14_10
• Description: ISO14443 type-B contactless coupler chip with anti-collision and CRC management
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

DC and AC parameters
9
36/47
DC and AC parameters
This section summarizes the operating and measurement conditions, and the DC and AC
characteristics of the device. The parameters in the DC and AC Characteristic tables that
follow are derived from tests performed under the Measurement 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 parameters.
Table 9.
Figure 33. I²C AC testing I/O waveform
Table 10.
Table 11.
V
Ambient Operating Temperature (T
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Reference Voltages
Symbol
Symbol
CC
I
C
C
t
I
LO
LI
NS
Supply Voltage
IN
IN
Input Leakage Current
(SCL, SDA, E0, E1, E2)
Output Leakage Current
(SCL, SDA, E0, E1, E2)
1. Sampled only, not 100% tested.
2. T
Input Capacitance (SDA)
Input Capacitance (SCL, E0, E1, E2))
Low Pass Filter Input Time Constant (SCL & SDA Inputs)
I²C AC measurement conditions
I²C Input Parameters
I²C DC characteristics
A
= 25 °C, f = 400kHz.
Parameter
Parameter
0.2V CC
0.8V CC
Doc ID 11922 Rev 2
A
)
Parameter
(1,2)
0V  V
OUT
Test condition
0V V
 V
IN
CC
0.2V
0.3V
 V
Min.
–20
,
4.5
SDA in Hi-Z
CC
CC
CC
0.3V CC
0.7V CC
AI09235
0.8V
0.7V
Max.
5.5
Min.
85
50
Min.
100
CC
CC
Max.
400
Max.
8
6
±2
±2
Unit
°C
ns
V
V
V
Unit
CR14
pF
pF
Unit
ns
µA
µA