XR20M1170G16-0B Datasheet, PDF (47/56 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO

REV. 1.1.0
XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS - SPI-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40^o to +85^oC, Vcc=1.62 - 3.63V
SYMBOL
PARAMETER
f_SCL
T_TR
T_CSS
T_CSH
T_DO
T_DS
T_DH
T_CP
T_CH
T_CL
T_CSW
T_D9
T_D10
T_D11
T_D12
T_D13
T_D14
SPI clock frequency
CS# HIGH to SO three-state time
CS# to SCL setup time
CS# to SCL hold time
SCL fall to SO valid time
SI to SCL setup time
SI to SCL hold time
SCL period time
SCL HIGH time
SCL LOW time
CS# HIGH pulse width
SPI output data valid
SPI modem output data valid
SPI transmit interrupt clear
SPI modem input interrupt clear
SPI input pin interrupt clear
SPI receive interrupt clear
LIMITS
1.8V ± 10%
MIN
MAX
8
100
100
20
30
30
10
125
62
62
200
200
200
200
200
200
200
LIMITS
2.5V ± 10%
MIN
MAX
16
100
100
20
20
20
10
63
31
31
200
200
200
200
200
200
200
LIMITS
3.3V ± 10%
MIN
MAX
18
100
100
20
15
15
10
55
27
27
200
200
200
200
200
200
200
UNIT CONDITIONS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C_L = 70 pF
C_L = 70 pF
T_CH + T_CL
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