MCP3909 Microchip Technology, MCP3909 Datasheet - Page 7

• Manufacturer Part Number: MCP3909
• Description: Energy Metering IC with SPI Interface and Active Power Pulse Output
• Manufacturer: Microchip Technology

FIGURE 1-3:
© 2006 Microchip Technology Inc.
SPI Output Pin Loading Circuit During SPI Testing.
SPI Data
Output
Pin
180 pF
V
DD
R
R
=
=
(
-------------- -
(
------------------------------ -
V
V
I
OH
DD
OH
I
)
OL
–
V
OL
)
MCP3909
DS22025A-page 7