CY8C20121-SX1I Cypress Semiconductor Corp, CY8C20121-SX1I Datasheet - Page 3

• Manufacturer Part Number: CY8C20121-SX1I
• Description: CY8C20121-SX1I
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense Express™ CY8C20xxxr

Specifications of CY8C20121-SX1I

• Controller Type: Capacitive Sensing Controller
• Interface: I²C
• Voltage - Supply: 2.4 V ~ 5.25 V
• Current - Supply: 1.5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Processor Series: CY8C201xx
• Core: M8C
• Program Memory Type: Flash
• Interface Type: I2C
• Operating Supply Voltage: 2.4 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: CY3218-CAPEXP1
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4. Pinouts
Table 1. Pin Definitions – 8 SOIC- 1 Button
Table 2. Pin Definitions – 8 SOIC- 2 Button
Document Number: 001-53516 Rev. *E
Pin No
Pin No
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
I2C SDA
I2C SCL
I2C SDA
I2C SCL
Name
DIG0
Name
CS0
DIG0
DIG1
V
V
CS0
CS1
NC
NC
V
V
SS
DD
SS
DD
Ground
I
I
CapSense Input
No Connect
Digital Output
No Connect
Supply Voltage
Ground
I
I
CapSense Input
CapSense Input
Digital Output
Digital Output
Supply Voltage
2
2
2
2
C Clock
C Data
C Clock
C Data
Figure 2. CY8C20121 Pin Diagram – 8 SOIC- 2 Button
Figure 1. CY8C20111 Pin Diagram - 8 SOIC - 1 Button
Description
Description
CY8C20111, CY8C20121
Page 3 of 43
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