Dc Characteristics; Power-On Reset; Pin Configuration - Texas Instruments CC1101 Manual

4.8

DC Characteristics

T = 25C if nothing else stated.
A
Digital Inputs/Outputs
Logic "0" input voltage
Logic "1" input voltage
Logic "0" output voltage
Logic "1" output voltage
Logic "0" input current
Logic "1" input current
4.9

Power-On Reset

For proper Power-On-Reset functionality the power supply should comply with the requirements in
Table 18 below. Otherwise, the chip should be assumed to have unknown state until transmitting an
SRES strobe over the SPI interface. See Section 19.1 on page 50 for further details.
Parameter
Power-up ramp-up time
Power off time
5

Pin Configuration

CC1101
The pin-out is shown in Figure 8 and Table 19. See Section 26 for details on the I/O
configuration.
.
Note: The exposed die attach pad must be connected to a solid ground plane as this is the main
ground connection for the chip
Min Max
0
VDD-0.7
0
VDD-0.3
N/A
N/A
Table 17: DC Characteristics
Min Typ Max Unit
5 ms
1 ms
Table 18: Power-On Reset Requirements
20 19 18 17 16
SCLK 1
SO (GDO1) 2
GDO2 3
DVDD 4
DCOUPL 5
6
Figure 8: Pinout Top View
SWRS061H
Unit Condition
0.7 V
VDD V
0.5 V For up to 4 mA output current
VDD V For up to 4 mA output current
–50
nA Input equals 0V
50 nA Input equals VDD
Condition/Note
From 0V until reaching 1.8V
Minimum time between power-on and power-off
15 AVDD
14 AVDD
13 RF_N
12 RF_P
11 AVDD
GND
7 8 9 10
Exposed die
attach pad
CC1101
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