MCP4021-202E/SN Microchip Technology, MCP4021-202E/SN Datasheet - Page 40

• Manufacturer Part Number: MCP4021-202E/SN
• Description: IC DGTL POT 2.1K 1CH 8SOIC
• Manufacturer: Microchip Technology

Specifications of MCP4021-202E/SN

• Memory Type: Non-Volatile
• Taps: 64
• Resistance (ohms): 2.1K
• Number Of Circuits: 1
• Temperature Coefficient: 150 ppm/°C Typical
• Interface: Up/Down
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Resistance In Ohms: 2.10K
• End To End Resistance: 2.1kohm
• Resistance Tolerance: ± 20%
• No. Of Steps: 64
• Supply Voltage Range: 2.7V To 5.5V
• Control Interface: Serial
• No. Of Pots: Single
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP4XXXDM-DB - BOARD DAUGHTER DIGIPOT MCP4XXXMCP402XEV - BOARD EVAL FOR MCP402X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP4021/2/3/4
5.2.11
This mode is achieved by initializing the U/D and CS
pins to a high state (V
to V
prior to forcing the CS pin to V
begins a write cycle and enables the WiperLock
Technology feature (See
FIGURE 5-11:
DS21945E-page 40
IHH
WiperLock™ Technology
(from V
WRITE WIPER SETTING TO
EEPROM AND ENABLE WiperLock
TECHNOLOGY
IH
). Set the U/D pin to a low state (V
IH
EEPROM
Write Wiper Setting to EEPROM and Enable WiperLock™ Technology.
) prior to the CS pin being driven
Figure
Wiper
U/D
CS
5-11).
IH
V
V
(from V
IH
IH
X
X+4
V
IHH
IHH
). This
IL
)
To ensure that “unexpected” transitions on the U/D pin
do not cause the wiper setting to increment, force the
CS pin to V
specifications) after the U/D pin is forced to V
After the CS pin is driven to V
serial commands are ignored until the EEPROM write
cycle (t
WC
) completes.
IH
t
WC
WiperLock Technology Enable
WiperLock Technology Disable
as soon as possible (within device
X+4
V
V
IH
IL
© 2006 Microchip Technology Inc.
IH
(from V
IHH
), all other
IL
.