EMC2303-1-KP-TR Standard Microsystems (SMSC), EMC2303-1-KP-TR Datasheet - Page 7

• Manufacturer Part Number: EMC2303-1-KP-TR
• Manufacturer: Standard Microsystems (SMSC)

Specifications of EMC2303-1-KP-TR

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 12
• Lead Free Status / RoHS Status: Compliant

Multiple RPM-Based PWM Fan Controller for Three Fans
Datasheet
Chapter 1 Pin Description
SMSC EMC2303
PIN NUMBER
1
2
3
4
5
SMDATA
SMCLK
VDD
ADDR_SEL
PIN NAME
SMDATA
SMCLK
PWM1
Figure 1.1 EMC2303 Pin Diagram (12-Pin QFN)
VDD
Table 1.1 Pin Description for EMC2303
1
2
3
DATASHEET
Address selection input - requires pull-up
Open Drain PWM output driver for Fan 1
EMC2303
Push-Pull PWM output driver for Fan 1
12-QFN
SMBus clock input - requires external
SMBus data input/output - requires
7
external pull-up resistor
PIN FUNCTION
pull-up resistor
Power Supply
resistor
9
8
7
CLK
TACH2
PWM2
Revision 1.2 (03-22-10)
DIOD (5V)
PIN TYPE
OD (5V)
DI (5V)
Power
AIO
DO