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Rainbow Electronics DS2153Q User Manual

Page 46

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DS2153Q

022697 46/48

AC CHARACTERISTICS – TRANSMIT SIDE

(0

°

C to 70

°

C; V

DD

=5V + 5%)

(–40

°

C to +85

°

C; V

DD

=5V +5%/–4% for DS2153QN)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

TCLK Period

t

P

488

ns

TCLK Pulse Width

t

CH

t

CL

75
75

ns
ns

TSER, TLINK Set Up to TCLK
Falling

t

SU

25

ns

1

TSER, TLINK Hold from TCLK
Falling

t

HD

25

ns

1

TSYNC Setup to TCLK Falling

t

HD

25

t

CH

–5

ns

TSYNC Pulse Width

t

PW

25

ns

TCLK Rise/Fall Times

t

R

, t

F

25

ns

Delay TCLK to TCHCLK

t

D1

50

ns

Delay TCLK to TCHBLK

t

D2

50

ns

Delay TCLK to TSYNC

t

D3

50

ns

Delay TCLK to TLCLK

t

D4

50

ns

NOTES:

1. If the transmit side elastic store is enabled,then TSER is sampled on the falling edge of SYSCLK and the

parameters t

SU

and t

HD

still apply.