at88rf1354 ATMEL Corporation, at88rf1354 Datasheet - Page 18

• Manufacturer Part Number: at88rf1354
• Description: 13.56 Mhz Type B Rf Reader Specification
• Manufacturer: ATMEL Corporation

18
13.56 MHz Type B RF Reader
Symbol
Symbol
TWI Mode Timing
Tc = -40° to +85° C (unless otherwise noted)
t
t
t
t
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
SPI Mode Timing
Tc = -40° to +85° C (unless otherwise noted)
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
t
t
t
t
SU;DAT
HD;DAT
SU;STA
HD;STA
SU;STO
t
t
t
SETUP
VALID
SSBW
SSBO
C
HOLD
TRIO
t
t
t
t
t
t
t
t
HIGH
HIGH
LOW
LOW
r
f
r
f
b
2. Production test is performed with 50% duty cycle clock at 1 MHz.
3. Timing limits for clock frequencies less than 1 MHz are scaled with the clock frequency.
All values are preliminary and will be updated after characterization.
2. Production test is performed with 50% duty cycle clock at 1 MHz.
All values are preliminary and will be updated after characterization.
SCK High pulse width
SCK Low pulse width
Setup time, Data
Hold time, Data
Setup time, Start condition
Hold time, Start condition
Setup time, Stop Condition
Rise Time of SCK and SDA
Fall time of SCK and SDA
Bus Capacitance for each bus line
SCK High pulse width
SCK Low pulse width
MOSI (SDI) Setup to SCK High
MOSI (SDI) Hold after SCK High
SCK Low to MISO (SDO) Valid
SCK Low to SSB High
SSB Low to MISO (SDO) Out
Rise time of all signals
Fall time of all signals
SSB High to MISO (SDO) Tristate
Parameter
Parameter
(1)
(1)
See 13 in Figure 5.
See 11 in
See 11 in Figure 5.
See 14 in Figure 5.
See 15 in Figure 5.
See 16 in Figure 5.
See 9 in Figure 5.
See 12 in Figure 5.
See 12 in Figure 5.
See 17 in Figure 5.
Condition
Condition
Figure 5.
250
300
250
250
100
Min
Min
4.0
4.7
4.7
4.0
4.0
10
20
100 kHz Operation
V
CC
= 3.0 to 3.6 V
Typical
Typical
15
15
10
1000
1600
1600
Max
300
400
Max
250
250
100
Min
Min
0.4
0.5
0.5
0.4
0.4
25
30
20
20
1 MHz Operation
V
CC
= 4.5 to 5.5 V
Typical
Typical
15
15
10
1600
1600
Max
Max
8547A−RFID−10/08
100
100
30
Unit
Unit
uS
uS
nS
nS
uS
uS
uS
nS
nS
pF
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
s
s