MAX6652 MAXIM [Maxim Integrated Products], MAX6652 Datasheet - Page 12

• Manufacturer Part Number: MAX6652
• Description: Temperature Sensor and System Monitor in a 10-Pin UMAX
• Manufacturer: MAXIM [Maxim Integrated Products]

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2001 Maxim Integrated Products
Temperature Sensor and System Monitor
in a 10-Pin µMAX
Figure 4. I
SMBCLK
SMBDATA
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
TO 12V
TO 2.5V
TO 3.3V
CPU
3.3V
2
C/SMBus Read Timing Diagram
t
SU:STA
12V
2.5V
3.3V
N.C.
GND
Typical Application Circuit
A
IN
IN
IN
t
MAX6652
HD:STA
t
LOW
ALERT
SDA
ADD
SCL
V
CC
B
t
HIGH
0.1µF
t
SU:DAT
C
Printed USA
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO MASTER
H = LSB OF DATA CLOCKED INTO MASTER
I = MASTER PULLS DATA LINE LOW
10kΩ
CONTROLLER
I
2
C/SMBus
D
V
CC
E
F
12V
2.5V
3.3V
t
HD:DAT
IN
IN
IN
is a registered trademark of Maxim Integrated Products.
G
MAX6652
INPUT VOLTAGE
SCALING AND
MULTIPLEXER
TEMPERATURE
SENSOR
H
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
REFERENCE
Functional Diagram
VOLTAGE
ADC
V
CC
I
J
K
COMPATIBLE
DATA AND
I
CONTROL
INTERFACE
2
C/SMBus-
LOGIC
t
SU:STO
L
t
BUF
SDA
SCL
ALERT
ADD
M