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Rainbow Electronics DS2152 User Manual

Page 69

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DS2152

031897 69/79

AC CHARACTERISTICS – RECEIVE SIDE

(0

°

C to 70

°

C; V

DD

=5V

±

5% for DS2152L;

–40

°

C to +

85

°

C; V

DD

=5V

±

5% for DS2152LN)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

RCLKO Period

t

LP

648

ns

RCLKO Pulse Width

t

LH

t

LL

250
250

324
324

ns
ns

1
1

RCLKO Pulse Width

t

LH

t

CL

200
200

324
324

ns
ns

2
2

RCLKI Period

t

CP

648

ns

RCLKI Pulse Width

t

CH

t

CL

75
75

ns
ns

RSYSCLK Period

t

SP

t

SP

122
122

648
488

ns
ns

3
4

RSYSCLK Pulse Width

t

SH

t

SL

50
50

ns
ns

RSYNC Set Up to RSYSCLK
Falling

t

SU

20

t

SH

–5

ns

RSYNC Pulse Width

t

PW

50

ns

RPOSI/RNEGI Set UP to RCLKI
Falling

t

SU

20

ns

RPOSI/RNEGI Hold From RCLKI
Falling

t

HD

20

ns

RSYSCLK/RCLKI Rise and Fall
Times

t

R

, t

F

25

ns

Delay RCLKO to RPOSO,
RNEGO Valid

t

DD

50

ns

Delay RCLK to RSER, RDATA,
RSIG, RLINK Valid

t

D1

50

ns

Delay RCLK to RCHCLK,
RSYNC, RCHBLK, RFSYNC,
RLCLK

t

D2

50

ns

Delay RSYSCLK to RSER,
RSIG Valid

t

D3

50

ns

Delay RSYSCLK to RCHCLK,
RCHBLK, RMSYNC, RSYNC

t

D4

50

ns

See Figures 16–4 to 16–6 for details.

NOTES:

1. Jitter attenuator enabled in the receive path.

2. Jitter attenuator disabled or enabled in the transmit path.

3. RSYSCLK=1.544 MHz.

4. RSYSCLK=2.048 MHz.