Datasheet

XTR108
17
SBOS187C
www.ti.com
FIGURE 6. Timing Diagram for Writing to and Reading From the XTR108 with EEPROM Readback Disabled. (See Table
XIV for timing key.)
CS1
SCLK
t
1
t
2
t
2
t
3
t
4
t
6
t
5
t
7
DIO
FIGURE 7. Writing to and Reading From the EEPROM Device From External Controller. (See Table XIV for timing key.)
Instruction to XTR108 Data to/from EEPROM
CS2
SCLK
t
14
DIO
01111111
CS1
SPEC DESCRIPTION MIN TYP MAX UNITS
t
1
CS1 LOW to SCLK Rising Setup Time 2.0 ns
t
2
SCLK Pulse Width HIGH and LOW 100 ns
t
3
DIO to SCLK Rising Setup Time 20 ns
t
4
DIO to SCLK Rising Hold Time 20 ns
t
5
CS1 to Last SCLK Rising Hold Time 20 ns
t
6
SCLK Falling to DIO Driven Valid by XTR108 0 50 ns
t
7
CS1 to DIO Tri-State 0 20 ns
t
8
SCLK Pulse Width During EEPROM Readback 5 us
t
9
CS2 HIGH Between Successive EEPROM Readbacks 10 us
t
10
SCLK Driven LOW Before CS1 LOW When Interrupting XTR108 Readback from EEPROM 20 ns
t
11
CS1 LOW to SCLK Rising Setup Time When Interrupting XTR108 EEPROM Readback 40 us
t
12
CS1 Falling to CS2 HIGH 0 50 ns
t
13
CS1 Falling to DIO Tri-State 0 20 ns
t
14
CS1 Rising to CS2 HIGH 0 20 ns
XTR108 EEPROM Update Rate in Continuous Readback Mode 0.9 kHz
TABLE XIV. Timing Diagram Key.