MCP4131 MICROCHIP [Microchip Technology], MCP4131 Datasheet - Page 11

• Manufacturer Part Number: MCP4131
• Description: 7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
• Manufacturer: MICROCHIP [Microchip Technology]

1.1
FIGURE 1-1:
TABLE 1-1:
© 2008 Microchip Technology Inc.
Note 1:
70
71
72
73
74
77
80
83
84
#
SDO
SDI
CS
SCK
SCK Input Frequency
CS Active (V
SCK input high time
SCK input low time
Setup time of SDI input to SCK↑ edge
Hold time of SDI input from SCK↑ edge
CS Inactive (V
SDO data output valid after SCK↓ edge
CS Inactive (V
Hold time of CS Inactive (V
CS Active (V
SPI Mode Timing Waveforms and Requirements
This specification by design.
V
IH
SPI REQUIREMENTS (MODE = 11)
IL
IL
IH
IH
or V
or V
SPI Timing Waveform (Mode = 11).
) to SDO output hi-impedance
) after SCK↑ edge
Characteristic
IHH
IHH
70
) to SCK↑ input
)
80
71
IH
73
) to
MSb IN
MSb
74
72
V
V
75, 76
MCP413X/415X/423X/425X
IL
IHH
BIT6 - - - -1
BIT6 - - - - - -1
TcsH2
TcsA2scH
TscL2
T
TscH2
TscH2csI
TcsA2csI
Symbol
DI
F
TscH
TscL
V2scH
SCK
DO
DO
DI
L
V
Z
79
Min
500
500
100
60
45
45
10
20
50
—
—
—
—
1
LSb
78
LSb IN
Max Units
170
10
50
70
—
—
—
—
—
—
—
—
—
1
83
MHz V
MHz V
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
77
V
84
IH
V
V
V
V
Note 1
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DS22060B-page 11
= 2.7V to 5.5V
= 1.8V to 2.7V
= 2.7V to 5.5V
= 1.8V to 2.7V
= 2.7V to 5.5V
= 1.8V to 2.7V
= 2.7V to 5.5V
= 1.8V to 2.7V
= 2.7V to 5.5V
= 1.8V to 2.7V
Conditions