3.3V, 8-Bit, Programmable Timing Element

4

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AC ELECTRICAL CHARACTERISTICS (DS1123L-25)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Reference Delay

(Notes 3, 4)

18

22

ns

Delay Step Size

0

0.25

1.75

ns

Step-Zero Delay with Respect

to IN

(Notes 4, 5)

16.5

22

ns

Step-Zero Delay with Respect

to REF

(Notes 6, 7)

-2.5

-1.5

0

ns

Maximum Delay with Respect

to IN

(Notes 4, 8)

80

ns

Delay with Respect to REF

Position FO (Notes 7, 9)

60

ns

Delay with Respect to REF

Tolerance

(Notes 7, 9)

-0.75

+0.75

%

Voltage Delay Variation

(Notes 7, 9)

-1

+1

%

Temperature Delay Variation

-2.5

+2.5

%

Integral Nonlinearity (Deviation

from Straight Line)

(Note 10)

-2

0

+2

ns

OUT Delta Delay

(Note 11)

0

1

2.5

ns

IN High to PWM High

(Notes 4, 12)

16.5

22

ns

Minimum PWM Output Pulse

Width

(Note 13)

5

ns

Minimum Input Pulse Width

(Note 14)

40

ns

Minimum Input Period

(Note 15)

80

ns

Input Rise and Fall Times

(Note 16)

0

1

µs

Δt

t

DREF

DREF

Δt

t

DV

DREF

Δt

t

DT

DREF