REV. 1.0.0 8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS PIN DESCRIPTIONS Pin Description N
參數(shù)資料
型號: XRA1404IL16-F
廠商: Exar Corporation
文件頁數(shù): 8/14頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER SPI 8B 16QFN
標(biāo)準(zhǔn)包裝: 490
接口: SPI
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時鐘: 26MHz
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-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-QFN(3x3)
包裝: 散裝
其它名稱: 1016-1726
XRA1404
3
REV. 1.0.0
8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
PIN DESCRIPTIONS
Pin Description
NAME
PIN#
TYPE
DESCRIPTION
SPI INTERFACE
SO
13
15
O
SPI serial data output.
SCL
12
14
I
SPI serial input clock.
IRQ#
11
13
OD
Interrupt output (open-drain, active LOW).
CS#
16
2
I
SPI bus chip select.
SI
1
3
I
SPI serial data input.
GPIOs
P0
P1
P2
P3
P4
P5
P6
P7
2
3
4
5
7
8
9
10
4
5
6
7
9
10
11
12
I/O
General purpose I/Os P0-P7. All GPIOs are configured as inputs upon power-
up or after a reset.
ANCILLARY SIGNALS
VCCP
14
16
Pwr
1.65V to 3.6V VCC supply voltage for GPIOs.
VCC
15
1
Pwr
1.65V to 3.6V VCC supply voltage for SPI bus interface.
GND
6
8
Pwr
Power supply common, ground.
GND
Center
Pad
-
Pwr
The exposed pad at the bottom surface of the package is designed for thermal
performance. Use of a center pad on the PCB is strongly recommended for ther-
mal conductivity as well as to provide mechanical stability of the package on the
PCB. The center pad is recommended to be solder masked defined with open-
ing size less than or equal to the exposed thermal pad on the package bottom to
prevent solder bridging to the outer leads of the device. Thermal vias must be
connected to GND plane as the thermal pad of package is at GND potential.
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
QFN-16 TSSOP-16
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