MCP4021T-202E/OT View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4021T-202E/OT

Low-Cost NV Digital POT with WiperLock™ Technology

Microchip Technology 

MCP4021/2/3/4

CS

U/D

tLUC

W

tCSLO

tLCUF

tLO

1/fUD

tLCUR

tHI

tS

tCSHI

tLUC tLCUF

tS

FIGURE 1-1:

Increment Timing Waveform.

SERIAL TIMING CHARACTERISTICS

Electrical Specifications: Unless otherwise noted, all parameters apply across the specified operating ranges.

Extended (E): VDD = +2.7V to 5.5V, TA = -40°C to +125°C.

Parameters

Sym Min Typ Max Units

Conditions

CS Low Time

CS High Time

U/D to CS Hold Time

CS to U/D Low Setup Time

CS to U/D High Setup Time

U/D High Time

U/D Low Time

Up/Down Toggle Frequency

Wiper Settling Time

tCSLO

5

—

tCSHI

500

—

tLUC

500

—

tLCUF

500

—

tLCUR

3

—

tHI

500

—

tLO

500

—

fUD

—

—

tS

0.5

—

1

—

2

—

10

5

Wiper Response on Power-up

tPU

Internal EEPROM Write Time

twc

—

200

—

—

—

—

—

µs

—

ns

—

ns

—

ns

—

µs

—

ns

—

ns

1

MHz

—

µs 2.1 kΩ, CL = 100 pF

—

µs 5 kΩ, CL = 100 pF

—

µs 10 kΩ, CL = 100 pF

—

µs 50 kΩ, CL = 100 pF

—

ns

5

ms @25°C

10

ms -40°C to +125°C

DS21945E-page 6

© 2006 Microchip Technology Inc.

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