MCP4011/2/3/4
CS
tLUC
U/D
tLCUR
W
tCSLO
1/fUD
tHI
tLO
tS
tCSHI
tLUC
tLCUF
tS
FIGURE 1-2:
Decrement Timing Waveform.
SERIAL TIMING CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, all parameters apply across the specified operating ranges.
Extended (E): VDD = +1.8V to 5.5V, TA = -40°C to +125°C.
Parameters
Sym Min Typ Max Units
Conditions
CS Low Time
CS High Time
tCSLO
5
—
tCSHI
500
—
—
—
U/D to CS Hold Time
tLUC
500
—
750
—
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
tLCUF
500
—
tLCUR
3
—
tHI
500
—
tLO
500
—
fUD
—
—
tS
0.5
—
1
—
2
—
10
5
Wiper Response on Power-up
tPU
—
200
—
µs
—
ns 2.7V ≤ VDD ≤ 5.5V
—
ns 1.8V ≤ VDD < 2.7V
—
ns 2.7V ≤ VDD ≤ 5.5V
—
ns 1.8V ≤ VDD < 2.7V
—
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
© 2006 Microchip Technology Inc.
DS21978C-page 7