XR20M1172IL32-F Exar Corporation, XR20M1172IL32-F Datasheet - Page 45
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XR20M1172IL32-F
Manufacturer Part Number
XR20M1172IL32-F
Description
IC UART FIFO I2C/SPI 64B 32QFN
Manufacturer
Exar Corporation
Datasheet
1.XR20M1172IG28-F.pdf
(58 pages)
Specifications of XR20M1172IL32-F
Number Of Channels
2, DUART
Package / Case
32-VFQFN Exposed Pad
Features
*
Fifo's
64 Byte
Protocol
RS485
Voltage - Supply
1.62 V ~ 3.63 V
With Auto Flow Control
Yes
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Data Rate
16 Mbps
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.62 V
Supply Current
250 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
No. Of Channels
2
Uart Features
Tx/Rx FIFO Counters
Supply Voltage Range
1.62V To 3.63V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
QFN
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
XR20M1172IL32-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
REV. 1.0.1
AC ELECTRICAL CHARACTERISTICS - I2C-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40
S
T
T
T
T
T
T
T
VD;ACK
T
YMBOL
HD;STA
SU;STA
HD;DAT
VD;DAT
SU;DAT
T
T
f
T
T
T
T
T
T
T
T
T
HIGH
SCL
LOW
T
BUF
T
D15
SP
D1
D2
D3
D4
D5
D6
D7
D8
F
R
Operating frequency
Bus free time between STOP and START
START condition hold time
START condition setup time
Data hold time
Data valid acknowledge
SCL LOW to data out valid
Data setup time
Clock LOW period
Clock HIGH period
Clock/data fall time
Clock/data rise time
Pulse width of spikes tolerance
I
I
I
I
I
I
I
I
SCL delay after reset
2
2
2
2
2
2
2
2
C-bus GPIO output valid
C-bus modem input interrupt valid
C-bus modem input interrupt clear
C input pin interrupt valid
C input pin interrupt clear
C-bus receive interrupt valid
C-bus receive interrupt clear
C-bus transmit interrupt clear
o
to +85
P
ARAMETER
o
C, Vcc=1.62 - 3.63V
45
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
S
M
TANDARD
250
4.7
4.0
4.7
4.7
4.0
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
IN
0
0
3
I2C-B
US
1000
M
100
300
M
0.6
0.6
ODE
AX
M
150
1.3
0.6
0.6
1.3
0.6
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.5
F
IN
0
0
3
AST
I2C-B
XR20M1172
M
US
ODE
400
300
300
M
0.6
0.6
AX
U
kHz
µ s
µ s
µ s
ns
µ s
ns
ns
µ s
µ s
ns
ns
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
NIT