參數(shù)資料
型號: CAT9554AYI-GT2
廠商: ON Semiconductor
文件頁數(shù): 11/14頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16TSSOP
標(biāo)準(zhǔn)包裝: 1
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: 2.3 V ~ 5.5 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: 標(biāo)準(zhǔn)包裝
包括: POR
產(chǎn)品目錄頁面: 806 (CN2011-ZH PDF)
其它名稱: CAT9554AYI-GT2DKR
CAT9554, CAT9554A
http://onsemi.com
6
INT: Interrupt Output
The opendrain interrupt output is activated when one of
the port pins configured as an input changes state (differs
from the corresponding input port register bit state). The
interrupt is deactivated when the input returns to its previous
state or the input port register is read. Changing an I/O from
an output to an input may cause a false interrupt if the state
of the pin does not match the contents of the input port
register.
Output Port
Register Data
Input Port
Register Data
Polarity
Register Data
Polarity
Inversion Register
Write
Polarity
Register
Data from
Shift Register
Read Pulse
Write Pulse
Write
Configuration
Data from
Shift Register
Data from
Shift Register
Configuration
Register
D
Q
FF
D
Q
FF
D
Q
LATCH
D
Q
FF
Q1
Q2
Output Port
Register
Input Port
Register
Figure 5. Simplified Schematic of I/O0 to I/O7
Pulse
Q
CK
Q
CK
Q
CK
To INT
VSS
VCC
I/O0 to I/O7
100 kW
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