CR14_10 STMICROELECTRONICS [STMicroelectronics], CR14_10 Datasheet - Page 38

• 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
38/47
Table 12.
1. Sampled only, not 100% tested.
2. For a reSTART condition, or following a write cycle.
t
t
t
t
Symbol
CL1CL2
DH1DH2
DL1DL2
t
CHDX
CH1CH2
t
t
t
t
t
t
t
t
t
DXCX
CHDH
CHCL
CLDX
CLCH
DHDL
CLQV
CLQX
DLCL
(1)
f
C
)
(2)
(1)
(1)
(1
t
t
t
t
t
HD:DAT
SU:STO
SU:STA
HD:STA
SU:DAT
I²C AC characteristics
t
t
t
f
HIGH
Alt.
LOW
t
BUF
t
SCL
t
t
DH
t
t
AA
R
R
F
F
Clock Rise Time
Clock Fall Time
SDA Rise Time
SDA Fall Time
Clock High to Input Transition
Clock Pulse Width High
Input Low to Clock Low (START)
Clock Low to Input Transition
Clock Pulse Width Low
Input Transition to Clock Transition
Clock High to Input High (STOP)
Input High to Input Low (Bus Free)
Clock Low to Data Out Valid
Data Out Hold Time After Clock Low
Clock Frequency
Doc ID 11922 Rev 2
Parameter
Min
600
600
600
100
600
200
1.3
1.3
20
20
0
400 kHz
Fast I²C
1000
Max
300
300
300
300
400
4700
4000
4000
4000
Min
250
200
4.7
4.7
20
20
0
100 kHz
I²C
1000
1000
3500
Max
300
300
100
CR14
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
µs
ns