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CC2420 Datasheet, PDF (12/87 Pages) List of Unclassifed Manufacturers – 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver
SmartRF ® CC2420
Parameter
Logic "0" output voltage
Logic "1" output voltage
Logic "0" input current
Logic "1" input current
FIFO setup time
FIFO hold time
Min.
0
Typ.
Max. Unit
0.4
V
2.5
VDD V
NA
−1
µA
NA
1
µA
20
ns
10
ns
Condition / Note
Output current −8 mA,
3.3 V supply voltage
Output current 8 mA,
3.3 V supply voltage
Input signal equals GND
Input signal equals VDD
TX un-buffered mode, minimum
time FIFO must be ready before
the positive edge of FIFOP
TX un-buffered mode, minimum
time FIFO must be held after the
positive edge of FIFOP
Serial interface pins (SCLK, SI, SO
and CSn) timing specification
See Table 4 on page 26
Voltage Regulator
Input Voltage
2.1
3.0
3.6
V
Note that the internal voltage
regulator can only supply
CC2420 and no external circuitry.
On the VREG_IN pin
Output Voltage
1.7
1.8
1.9
V
On the VREG_OUT pin
Quiescent current
Startup time
13
20
29
µA
No current drawn from the
VREG_OUT pin. Min and max
numbers include 2.1 through 3.6
V input voltage
0.3
0.6
ms
Battery Monitor
Current consumption
6
30
90
µA
When enabled
Startup time
100
µs
Voltage regulator already enabled
Settling time
2
µs
New toggle voltage programmed
Step size
50
mV
Hysteresis
10
mV
Absolute accuracy
-80
80
mV
May be software calibrated for
known reference voltage
Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.2), 2004-06-09
Page 12 of 87