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MCP4021 データシート(PDF) 9 Page - Microchip Technology

部品番号 MCP4021
部品情報  Low-Cost NV Digital POT with WiperLock??Technology
PDF  64 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP4021 データシート(HTML) 9 Page - Microchip Technology

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© 2006 Microchip Technology Inc.
DS21945E-page 9
MCP4021/2/3/4
FIGURE 1-4:
High-Voltage Decrement Timing Waveform.
CS
U/D
tHCUR
tHI
tLO
W
tS
tCSLO
tHUC
tCSHI
tHUC
tHCUF
tS
5V
12V
1/fUD
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
tCSLO
5—
µs
CS High Time
tCSHI
500
ns
U/D High Time
tHI
500
ns
U/D Low Time
tLO
500
ns
Up/Down Toggle Frequency
fUD
——
1
MHz
HV U/D to CS Hold Time
tHUC
1.5
µs
HV CS to U/D Low Setup Time
tHCUF
8—
µs
HV CS to U/D High Setup Time
tHCUR
4.5
µs
Wiper Settling Time
tS
0.5
µs
2.1 k
Ω, CL = 100 pF
1—
µs
5 k
Ω, CL = 100 pF
2—
µs
10 k
Ω, CL = 100 pF
10
5
µs
50 k
Ω, CL = 100 pF
Wiper Response on Power-up
tPU
—200
ns
Internal EEPROM Write Time
twc
5
ms
@25°C
10
ms
-40°C to +125°C



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