at88rf1354 ATMEL Corporation, at88rf1354 Datasheet - Page 17

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

8.3.
8547A−RFID−10/08
Symbol
Symbol
t
t
R
R
RF_OFF
t
V
V
R
R
t
RF_ON
V
f
t
Digital I/O Characteristics
Tc = -40° to +85° C (unless otherwise noted)
V
V
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
AC Characteristics
System and Reset Timing
Tc = -40° to +85° C (unless otherwise noted)
CLKO
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
OSC
I
I
SCK
RST
OL1
IH
SDA
RST
OH
IL
OL
PU
PD
IH
IL
Serial Interface Clock Frequency
Minimum pulse width on ResetB Pin
Crystal Oscillator start-up time
RF Enable time
RF Disable time
CLKO start-up time
2. Optimum pull-up resistance is dependent on the total capacitance of the TWI serial interface bus.
All Values are preliminary and will be updated after characterization.
2. RF performance is dependent on the reader circuit design, PCB layout, and component specifications.
All values are preliminary and will be updated after characterization.
Input Low Voltage
Input High Voltage
Output Low Voltage
(except SDI pin in TWI mode)
Output High Voltage
(except SDI pin in TWI mode)
Output Low Voltage
(SDI pin TWI mode only)
Input Low Leakage Current
Input High Leakage Current
I/O pin Pull-up Resistor
ResetB Pull-up Resistor
Input Pull-up Resistor
Input Pull-down Resistor
RF timing values in table are measured on an Atmel reference design.
Parameter
Parameter
(2)
(2)
(2)
V
I
V
I
V
I
V
V
TWI mode, SCK = 100kHz
TWI mode, SCK = 1 MHz
Unused input pin
Unused input pin
OL
OH
OL
CC
CC
CC
CC
CC
= max
= mA
= max
= mA
= max
= 3
= max, pin low
= max, pin high
TWI mode
SPI mode
At power-up
From end of command to RF 90% power
From end of command to RF 10% power
At power-up
Condition
(1)
mA
(1)
Condition
0.7V
-0.5
Min
1.0
1.0
0
0
CC
V
13.56 MHz Type B RF Reader
CC
= 3.0 to 3.6 V
Typical
500
Min
V
V
CC
0.3V
CC
Max
0.4
4.0
2.0
= 3.0 to 3.6 V
+0.5
Typical
1000
CC
4.5
1.7
0.7V
Max
1.0
2.0
-0.5
Min
1.7
1.7
0
0
V
CC
CC
500
Min
= 4.5 to 5.5 V
V
CC
Typ
ical
= 4.5 to 5.5 V
Typical
1000
1.8
1.7
V
0.3V
CC
Max
0.4
8.0
3.3
+0.5
Max
1.0
2.0
CC
kOhm
kOhm
kOhm
kOhm
kOhm
Units
Units
MHz
MHz
uA
uA
uS
uS
uS
uS
uS
V
V
V
V
V
17