Datasheet

DS1722
TIMING DIAGRAM: 3-WIRE WRITE DATA TRANSFER Figure 10
*I/O is SDI and SDO tied together.
AC ELECTRICAL CHARACTERISTICS: SPI Interface
≤ 5.5V)
(-55°C to +120°C, 2.65V ≤ V
DD
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Data to SCLK Setup t 35 ns 5, 6
DC
SCLK to Data Hold t 35 ns 5, 6
CDH
SCLK to Data Valid t 80 ns 5, 6, 7
CDD
SCLK Low Time t 100 ns 6
CL
SCLK High Time t 100 ns 6
CH
SCLK Frequency t DC 5.0 MHz 6
CLK
SCLK Rise and Fall t
12 of 14
R
, t 200 ns
F
CE to SCLK Setup t 400 ns 6
CC
SCLK to CE Hold t 100 ns 6
CCH
CE Inactive Time t 400 ns 6
CWH
CE to Output High Z t 40 ns 5, 6
CDZ
TIMING DIAGRAM: SPI READ DATA TRANSFER Figure 11