SI4021-A1-FT Silicon Laboratories Inc, SI4021-A1-FT Datasheet - Page 18

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SI4021-A1-FT

Manufacturer Part Number
SI4021-A1-FT
Description
IC TX FSK 915MHZ 5.4V 16-TSSOP
Manufacturer
Silicon Laboratories Inc
Datasheet

Specifications of SI4021-A1-FT

Package / Case
16-TSSOP
Frequency
433MHz, 868MHz, 915MHz
Modulation Or Protocol
FSK, OOK
Data Rate - Maximum
512kbps
Power - Output
8dBm
Current - Transmitting
24mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.2 V ~ 5.4 V
Operating Temperature
-40°C ~ 85°C
Operating Frequency
433 MHz to 915 MHz
Mounting Style
SMD/SMT
Operating Supply Voltage
2.2 V to 5.4 V
Supply Current
1.5 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Applications
-
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1622-5

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI4021-A1-FTR
Manufacturer:
SILICON
Quantity:
5 000
Simultaneously Pressed Push-Button Detect by Microcontroller
Simplified Block Diagram of Push-Button 1–4 Inputs
Push button
Push button
(internal)
nIRQ
input 1
input 2
Push-button1,2,3
SPI
POR
Vdd
Microcontroller mode
Push-button4
p4
Status rd
Push-button1
Push-button2
POR
With internal weak pull-up
VDD
ENABLE/DISABLE
WEAK PULL-UP
CLK
blocker signal
PB_nIRQdly*
Push-button1
Push-button2
Status rd
Internal
and
to
PB1
Digital glitch
CLR for P.B1,2
bc
Status rd
filter
PB1
VDD
To Digital glitch filter for
Status rd
Push-button4
PB2
POR, LBD, WAKE UP TIMER,
P. BUTTONS EVENT FLAGS
Status rd
D
CLR
PB1
Q
Status rd
PB2
Note:
*PB_nIRQdly is equal with the
debounce time
Status rd
Note:
STAT. REG. READ Command **
** In uC controlled mode
PB1
* In EEprom mode
Notice:
Only one EVENT is
serviced simultaneously
the others are pending.
SLEEP Command *
COUNT/SINGLE
EVENT FLAG
b1, b2, b3
Si4021
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