CY23FS08

Document Number: 38-07518 Rev. *F

Page 5 of 15

Figure 3. Fail#/Safe Timing Formula

Figure 4. FailSafe Timing Diagram: Input Reference Slowly Drifting Out of FailSafe Capture Range

Table 3. Failsafe Timing Table

Parameter

Description

Conditions

Min

Max

Unit

Fail#/Safe Assert Delay

Measured at 80% to 20%, Load = 15 pF

See Figure 3

ns

Fail#/Safe Deassert Delay

Measured at 80% to 20%, Load = 15 pF

See Figure 3

ns

Reference + 300 ppm

Reference - 300 ppm

Reference

Output + 300 ppm

Output - 300 ppm

Output

Fail#/Safe

t

FSH

Reference Off

t

FSL

Time

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