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CAT5251 Fiches technique(PDF) 5 Page - Catalyst Semiconductor

No de pièce CAT5251
Description  Quad Digitally Programmable Potentiometer (DPP™) with 256 Taps and SPI Interface
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Fabricant  CATALYST [Catalyst Semiconductor]
Site Internet  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT5251 Fiches technique(HTML) 5 Page - Catalyst Semiconductor

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CAT5251
© Catalyst Semiconductor, Inc.
5
Doc. No. MD-2017 Rev. F
Characteristics subject to change without notice
PIN CAPACITANCE
(1)
Applicable over recommended operating range from TA = 25ºC, f = 1.0MHz, VCC = +5.0V (unless otherwise noted).
Symbol Parameter
Test Conditions
Min
Typ
Max
Units
COUT
Output Capacitance (SO)
VOUT = 0V
8
pF
CIN
Input Capacitance (CS
¯¯¯, SCK, SI, WP
¯¯¯, HOLD
¯¯¯¯¯, A0, A1)
VIN = 0V
6
pF
A.C. CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Test Conditions
Min
Typ
Max
Units
tSU
Data Setup Time
50
ns
tH
Data Hold Time
50
ns
tWH
SCK High Time
125
ns
tWL
SCK Low Time
125
ns
fSCK
Clock Frequency
DC
3
MHz
tLZ
HOLD
¯¯¯¯¯ to Output Low Z
50
ns
tRI
(1)
Input Rise Time
2
µs
tFI
(1)
Input Fall Time
2
µs
tHD
HOLD
¯¯¯¯¯ Setup Time
100
ns
tCD
HOLD
¯¯¯¯¯ Hold Time
100
ns
tV
Output Valid from Clock Low
200
ns
tHO
Output Hold Time
0
ns
tDIS
Output Disable Time
250
ns
tHZ
HOLD
¯¯¯¯¯ to Output High Z
100
ns
tCS
CS
¯¯¯ High Time
250
ns
tCSS
CS
¯¯¯ Setup Time
250
ns
tCSH
CS
¯¯¯ Hold Time
CL = 50pF
250
ns
POWER UP TIMING
(1)(2)
Over recommended operating conditions unless otherwise stated.
Symbol
Parameter
Min
Typ
Max
Units
tPUR
Power-up to Read Operation
1
ms
tPUW
Power-up to Write Operation
1
ms
XDCP TIMING
Symbol Parameter
Min Max Units
tWRPO
Wiper Response Time After Power Supply Stable
5
10
µs
tWRL
Wiper Response Time After Instruction Issued
5
10
µs
Notes:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated.


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Numéro de composants électroniques

No de pièceDescriptionHtml ViewFabricant
CAT525_0711 Quad Digitally Programmable Potentiometer DPP™ with 256 Taps and Microwire Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT524_07 Quad Digitally Programmable Potentiometer DPP™ with 256 Taps and Microwire Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT523_07 Dual Digitally Programmable Potentiometer DPP™ with 256 Taps and Microwire Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5401_07 Quad Digitally Programmable Potentiometers DPP™ with 64 Taps and SPI Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5241_08 Quad Digitally Programmable Potentiometer DPP™ with 64 Taps and I²C Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5132_08 16 Volt Digitally Programmable Potentiometer DPP™ with 128 Taps and I2C Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5269_07 Dual Digitally Programmable Potentiometers DPP™ with 256 Taps and 2-wire Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5221_08 Dual Digitally Programmable Potentiometer DPP™ with 64 Taps and I2C Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5133_08 16 Volt Digitally Programmable Potentiometer DPPTM with 128 Taps and an Increment Decrement Interface 1  2  3  4  5  More Catalyst Semiconductor
CAT5419_07 Dual Digitally Programmable Potentiometers DPP™ with 64 Taps and 2-wire Interface 1  2  3  4  5  More Catalyst Semiconductor

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