參數(shù)資料
型號: XRA1206IG16-F
廠商: Exar Corporation
文件頁數(shù): 1/15頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
標(biāo)準(zhǔn)包裝: 95
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 1.65 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 管件
其它名稱: 1016-1717-5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XRA1206
8-BIT I2C/SMBUS GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
SEPTEMBER 2011
REV. 1.0.0
GENERAL DESCRIPTION
The XRA1206 is an 8-bit GPIO expander with an I2C/
SMBus interface. After power-up, the XRA1206 has
internal 100K ohm pull-up resistors on each I/O pin
that can be individually enabled.
In addition, the GPIOs on the XRA1206 can
individually be controlled and configured. As outputs,
the GPIOs can be outputs that are high, low or in
three-state mode. The three-state mode feature is
useful for applications where the power is removed
from the remote devices, but they may still be
connected to the GPIO expander.
As inputs, the internal pull-up resistors can be
enabled or disabled and the input polarity can be
inverted.
The interrupt can be programmed for
different
behaviors.
The
interrupts
can
be
programmed to generate an interrupt on the rising
edge, falling edge or on both edges. The interrupt
can be cleared if the input changes back to its original
state or by reading the current state of the inputs.
The XRA1206 is an enhanced version of the
TCA6408. The XRA1206 is pin and software
compatible with the TCA6408.
The XRA1206 is available in 16-pin QFN and 16-pin
TSSOP packages.
FEATURES
1.65V to 3.6V operating voltage
Integrated level shifters
8 General Purpose I/Os (GPIOs)
5V tolerant inputs
Maximum stand-by current of 1uA at +1.8V
I2C/SMBus bus interface
I
2C clock frequency up to 400kHz
Noise filter on SDA and SCL inputs
Up to 4 I
2C Slave Addresses
Individually programmable inputs
Internal pull-up resistors
Polarity inversion
Individual interrupt enable
Rising edge and/or Falling edge interrupt
Input filter
Individually programmable outputs
Output Level Control
Output Three-State Control
Open-drain active low interrupt output
Active-low reset input
Pin and software compatible with TCA6408
3kV HBM ESD protection per JESD22-A114F
200mA latch-up performance per JESD78B
APPLICATIONS
Personal Digital Assistants (PDA)
Cellular Phones/Data Devices
Battery-Operated Devices
Global Positioning System (GPS)
Bluetooth
相關(guān)PDF資料
PDF描述
307-220-068 LOOSE CARD GUIDE
XRA1200PIG16-F IC I/O EXPANDER I2C 8B 16TSSOP
XRA1202IG16-F IC I/O EXPANDER I2C 8B 16TSSOP
616-220-306 UNI GUIDE
XRA1200IG16-F IC I/O EXPANDER I2C 8B 16TSSOP
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