参数资料
型号: XRA1207IL24-F
厂商: Exar Corporation
文件页数: 5/17页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24QFN
标准包装: 490
接口: I²C,SM 总线
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 1.65 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: 24-QFN(4x4)
包装: 托盘
其它名称: 1016-1720
XRA1207
13
REV. 1.0.0
16-BIT I2C/SMBUS GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
5. For IRQ# signal;
Test 1: SCL frequency is 400 KHz with internal pull-ups disabled. All GPIOs are configured as inputs. All inputs are steady
at VCC or GND. Outputs are floating or in the tri-state mode.
Test 2: SCL frequency is 400 KHz with internal pull-ups enabled. All GPIOs are configured as inputs. All inputs are steady
at VCC or GND. Outputs are floating or in the tri-state mode.
Test 3: All inputs are steady at VCC or GND to minimize standby current. If internal pull-up is enabled, input voltage level
should be the same as VCC. All GPIOs are configured as inputs. SCL and SDA are at VCC. Outputs are left floating or in
tri-state mode.
AC ELECTRICAL CHARACTERISTICS
Unless otherwise noted: TA=-40o to +85oC, Vcc=1.65V - 3.6V
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
50
ns
TD1
I2C-bus GPIO output valid
0.2
s
TD4
I2C input pin interrupt valid
4
s
TD5
I2C input pin interrupt clear
4
s
TD15
SCL delay after reset
3
s
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