CR14 STMicroelectronics, CR14 Datasheet - Page 39

• Manufacturer Part Number: CR14
• Description: Low Cost Iso14443 Type-b Contactless Coupler Chip With Anti-collision And Crc Management
• Manufacturer: STMicroelectronics

CR14
Table 12.
1. Sampled only, not 100% tested.
2. For a reSTART condition, or following a write cycle.
t
t
t
t
CH1CH2
DH1DH2
CL1CL2
DL1DL2
t
Symbol
CHDX
t
t
t
t
t
t
t
t
t
CHDH
CHCL
CLCH
DXCX
DHDL
CLQV
CLQX
DLCL
CLDX
f
C
(2)
(1)
(1)
(1)
(1)
I²C AC Characteristics
t
t
t
t
t
SU:STO
SU:STA
HD:STA
HD:DAT
SU:DAT
t
t
t
f
HIGH
Alt.
LOW
t
BUF
t
SCL
t
t
t
t
AA
DH
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
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
9 DC and AC parameters
4700
4000
4000
4000
Min
250
200
4.7
4.7
20
20
0
100 kHz
I²C
1000
1000
3500
Max
300
300
100
Unit
kHz
39/46
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
µs
ns
ns