LM98501CCVBH datasheet(20/24 Pages) NSC

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Serial Interface Timing Specifications

The following specifications apply AV+ = DV+ = DV + I/O = +3.0V, C

L = 10 pF, and fCLK = 27 MHz unless otherwise noted.

Boldface limits apply for T

A = TMIN to TMAX: all other limits TA = 25˚C (Note 7).

Symbol

Parameter

Conditions

Min

(Note 9)

Typical

(Note 8)

Max

(Note 9)

Units

MIN

SCLK Period

SCLK Duty Cycle

40/60

50/50

60/40

SCLK Rise/Fall Time

4ns

Input Hold Time

Input Setup Time

CESC

SCLK Start Time after CE Low

SCCE

CE Low after Last SCLK Rising

Edge

5ns

CEW

CE Pulse Width

MCLK must be active during serial

interface commands.

CLK

DCE

Input Data to CE Rising Edge

MIN

Output Delay Time

Serial Interface Timing

DS101292-12

1Serial output enable must be set in software control 0 for SO DATA output. Please see Register Data section for more information.

FIGURE 13. Serial Interface Read Command Timing

DS101292-13

1Serial output enable must be set in software control 0 for SO DATA output. Please see Register Data section for more information.

FIGURE 14. Serial Interface Write Command Timing

LM98501CCVBH Datasheet(PDF) 20 Page - National Semiconductor (TI)

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