Pin description – Rainbow Electronics LM77 User Manual
Page 2

Simplified Block Diagram
Connection Diagram
Ordering Information
Order Number
Supply Voltage
Package
Supplied In
LM77CIM-3
3.3V
SOP8, M08A
Rail
LM77CIMX-3
3.3V
SOP8, M08A
2500 Units on Tape and Reel
LM77CIM-5
5V
SOP8, M08A
Rail
LM77CIMX-5
5V
SOP8, M08A
2500 Units on Tape and Reel
LM77CIMM-3
3.3V
MSOP8,
MUA08A
Rail
LM77CIMMX-3
3.3V
MSOP8,
MUA08A
3500 Units on Tape and Reel
LM77CIMM-5
5V
MSOP8,
MUA08A
Rail
LM77CIMMX-5
5V
MSOP8,
MUA08A
3500 Units on Tape and Reel
Pin Description
Label
Pin #
Function
Typical Connection
SDA
1
Serial Bi-Directional Data Line. Open Drain Output
From Controller
SCL
2
Serial Bus Clock Input
From Controller
T_CRIT_A
3
Critical Temperature Alarm Open Drain Output
Pull Up Resistor, Controller Interrupt Line
or System Hardware Shutdown
GND
4
Power Supply Ground
Ground
INT
5
Interrupt Open Drain Output
Pull Up Resistor, Controller Interrupt Line
+V
S
8
Positive Supply Voltage Input
DC Voltage from 3V to 5.5V
A0–A1
7,6
User-Set Address Inputs
Ground (Low, “0”) or +V
S
(High, “1”)
DS100136-1
SOP8 or MSOP
DS100136-2
LM77 See NS Package Number M08A or MM08A
LM77
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