Datasheet

© 2009 Microchip Technology Inc. DS22152B-page 29
MCP40D17/18/19
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
Additional descriptions of the device pins follow.
TABLE 3-1: PINOUT DESCRIPTION FOR THE MCP40D17/18/19
Pin
Name
Pin Number
Pin
Type
Buffer
Type
Function
MCP40D17
(SC70-6)
MCP40D18
(SC70-6)
MCP40D19
(SC70-5)
V
DD
1 1 1 P — Positive Power Supply Input
V
SS
2 2 2 P — Ground
SCL333I/OST (OD)I
2
C Serial Clock pin
SDA444I/OST (OD)I
2
C Serial Data pin
B 5 — — I/O A Potentiometer Terminal B
W 6 5 5 I/O A Potentiometer Wiper Terminal
A — 6 — I/O A Potentiometer Terminal A
Legend: A = Analog input ST (OD) = Schmitt Trigger with Open Drain
I = Input O = Output I/O = Input/Output P = Power