REV. 1.0.0 16-BIT I2C/SMBUS GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS PIN DESCRIPTIONS Pin Description N
參數(shù)資料
型號(hào): XRA1207IG24-F
廠(chǎng)商: Exar Corporation
文件頁(yè)數(shù): 11/17頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
標(biāo)準(zhǔn)包裝: 62
接口: I²C,SM 總線(xiàn)
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.65 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 管件
其它名稱(chēng): 1016-1719-5
XRA1207
3
REV. 1.0.0
16-BIT I2C/SMBUS GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
PIN DESCRIPTIONS
Pin Description
NAME
PIN#
TYPE
DESCRIPTION
I2C INTERFACE
SDA
20
23
I/O
I2C-bus data input/output (open-drain).
SCL
19
22
I
I2C-bus serial input clock.
IRQ#
22
1
OD
Interrupt output (open-drain, active LOW).
A0
18
21
I
These pins select the I2C slave address. See
RESET#
24
3
I
Reset (active LOW) - A longer than 40 ns LOW pulse on this pin will reset the
internal registers and all GPIOs will be configured as inputs.
GPIOs
P0
P1
P2
P3
P4
P5
P6
P7
1
2
3
4
5
6
7
8
4
5
6
7
8
9
10
11
I/O
General purpose I/Os P0-P7. All GPIOs are configured as inputs upon power-
up or after a reset.
P8
P9
P10
P11
P12
P13
P14
P15
10
11
12
13
14
15
16
17
13
14
15
16
17
18
19
20
I/O
General purpose I/O P8-P15. All GPIOs are configured as inputs upon power-
up or after a reset.
ANCILLARY SIGNALS
VCCP
21
24
Pwr
1.65V to 3.6V VCC supply voltage for GPIOs.
VCC
23
2
Pwr
1.65V to 3.6V VCC supply voltage for I2C-bus interface.
GND
9
12
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-24 TSSOP-24
相關(guān)PDF資料
PDF描述
423-023-521-102 CONN PLUG 23POS .200X.300 GOLD
XRA1201PIG24-F IC I/O EXPANDER I2C 16B 24TSSOP
423-023-520-102 CONN PLUG 23POS .200X.300 GOLD
XRA1203IG24-F IC I/O EXPANDER I2C 16B 24TSSOP
423-017-521-102 CONN PLUG 17POS .200X.300 GOLD
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