MAX1661 データシートの表示（PDF） - Maxim Integrated
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MAX1661 Datasheet PDF : 16 Pages
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Serial-to-Parallel/Parallel-to-Serial Converters and
Load-Switch Controllers with SMBus Interface
______________________________________________________________Pin Description
PIN
NAME
FUNCTION
1
VCC
Supply Voltage Input, 2.7V to 5.5V.
2
I/O1
Input 1 or Output 1 (open drain). This pin can tolerate up to 28V.
3
I/O2
Input 2 or Output 2 (open drain). This pin can tolerate up to 28V.
4
I/O3
Input 3 or Output 3 (open drain). This pin can tolerate up to 28V.
5
GND
Ground
6
ADD
SMBus Address Select Pin (see Table 1 for details).
7
SMBSUS
SMBus Suspend-Mode Control Input. Drive low to select the suspend-mode register. Drive high to select
the normal-mode register. (See Detailed Description.)
8
SMBDATA SMBus Serial-Data Input/Output (open drain)
9
SMBCLK SMBus Serial Clock Input
10
ALERT
Interrupt Output, active low, open drain
TRANSITION
DETECTORS
I/01
SMBCLK
SMBDATA
SMB
8
INPUT
REGISTER
I/02
MAX1661/
MAX1662/
I/03
MAX1663
ADD
ADDRESS
DECODER
7
NORMAL
DATA
REGISTER
NORMAL
MUX
O1
SUSPEND
CONTROL
ALERT
RESPONSE
REGISTER
NORMAL
MUX
O2
SUSPEND
CONTROL
ALERT
R
FAULT S
LATCH
Figure 1. Functional Diagram
THERMAL
SHUTDOWN
SUSPEND-
MODE
DATA
REGISTER
NORMAL
MUX
O3
SUSPEND
CONTROL
SMBSUS
_______________________________________________________________________________________ 5
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