MCP4262T-503E/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4262T-503E/ML

7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

Microchip Technology 

MCP413X/415X/423X/425X

1.1 SPI Mode Timing Waveforms and Requirements

VIH

CS

SCK

VIHH

VIL

70

72

71

80

VIH

84

83

79

78

SDO

MSb

BIT6 - - - - - -1

LSb

75, 76

77

SDI

MSb IN

BIT6 - - - -1

LSb IN

74

73

FIGURE 1-1:

SPI Timing Waveform (Mode = 11).

TABLE 1-1: SPI REQUIREMENTS (MODE = 11)

#

Characteristic

SCK Input Frequency

70 CS Active (VIL or VIHH) to SCK↑ input

71 SCK input high time

72 SCK input low time

73 Setup time of SDI input to SCK↑ edge

74 Hold time of SDI input from SCK↑ edge

77 CS Inactive (VIH) to SDO output hi-impedance

80 SDO data output valid after SCK↓ edge

83 CS Inactive (VIH) after SCK↑ edge

84 Hold time of CS Inactive (VIH) to

CS Active (VIL or VIHH)

Note 1: This specification by design.

Symbol

FSCK

TcsA2scH

TscH

TscL

TDIV2scH

TscH2DIL

TcsH2DOZ

TscL2DOV

TscH2csI

TcsA2csI

Min Max Units

Conditions

—

10 MHz VDD = 2.7V to 5.5V

—

1 MHz VDD = 1.8V to 2.7V

60

— ns

45

— ns VDD = 2.7V to 5.5V

500

— ns VDD = 1.8V to 2.7V

45

— ns VDD = 2.7V to 5.5V

500

— ns VDD = 1.8V to 2.7V

10

— ns

20

— ns

—

50 ns Note 1

—

70 ns VDD = 2.7V to 5.5V

170 ns VDD = 1.8V to 2.7V

100

— ns VDD = 2.7V to 5.5V

1

ms VDD = 1.8V to 2.7V

50

— ns

© 2008 Microchip Technology Inc.

DS22060B-page 11

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