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Layer one port ac timing diagram figure 12a – Rainbow Electronics DS3134 User Manual

Page 191

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DS3134

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LAYER ONE PORT AC TIMING DIAGRAM Figure 12A

Note:
TC and RC are independent from each other. In the above timing diagram, all the signals started with “T”
are reference to the transmit clock TC and all the signals started with “R” are reference to the receive
clock RC.

AC CHARACTERISTICS - LOCAL BUS IN BRIDGE MODE (LMS = 0)

(0

°

C TO +70

°

C; VDD = 3.0V TO 3.6V)

Parameter

Symbol

Min

Typ

Max

Units

Notes

Delay Time from the Rising Edge of
LCLK to Output Valid from Tri-State

t1

2

10

ns

Delay Time from the Rising Edge of
LCLK to Tri-State from Output Valid

t2

2

15

ns

Delay Time from the Rising Edge of
LCLK to Output Valid from an
Already Active Drive State

t3

2

10

ns

LD[15:0] Set Up Time to the Rising
Edge of LCLK

t4

5

ns

LD[15:0] Hold Time from the Rising
Edge of LCLK

t5

2

ns

Input Set Up Time to the Rising Edge
of LCLK

t6

10

ns

Input Hold Time from the Rising
Edge of LCLK

t7

15

ns

RC[n] / TC[n]
Normal Mode

RD[n] / RS[n] /
TS[n]

TD[n]

t4

t5

t6

t1

t2

t3

RC[n] / TC[n]
Inverted Mode

l1 ac