Unless otherwise noted: TA=-40o
參數(shù)資料
型號: XR20V2172L64-0A-EB
廠商: Exar Corporation
文件頁數(shù): 37/51頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR20V2170 64QFN
標(biāo)準(zhǔn)包裝: 1
系列: *
AC ELECTRICAL CHARACTERISTICS - I2C-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40o to +85oC, Vcc=3.3 - 5.5V
SYMBOL
PARAMETER
STANDARD MODE
I2C-BUS
MIN
MAX
FAST MODE
I2C-BUS
MIN
MAX
UNIT
fSCL
Operating frequency
0
100
0
400
kHz
TBUF
Bus free time between STOP and START
4.7
1.3
s
THD;STA
START condition hold time
4.0
0.6
s
TSU;STA
START condition setup time
4.7
0.6
s
THD;DAT
Data hold time
0
ns
TVD;ACK
Data valid acknowledge
0.6
s
TVD;DAT
SCL LOW to data out valid
0.6
ns
TSU;DAT
Data setup time
250
150
ns
TLOW
Clock LOW period
4.7
1.3
s
THIGH
Clock HIGH period
4.0
0.6
s
TF
Clock/data fall time
300
ns
TR
Clock/data rise time
1000
300
ns
TSP
Pulse width of spikes tolerance
0.5
s
TD1
I2C-bus GPIO output valid
0.2
s
TD2
I2C-bus modem input interrupt valid
0.2
s
TD3
I2C-bus modem input interrupt clear
0.2
s
TD4
I2C input pin interrupt valid
0.2
s
TD5
I2C input pin interrupt clear
0.2
s
TD6
I2C-bus receive interrupt valid
0.2
s
TD7
I2C-bus receive interrupt clear
0.2
s
TD8
I2C-bus transmit interrupt clear
1.0
0.5
s
TD15
SCL delay after reset
3
s
XR20V2172
42
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
REV. 1.0.2
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