DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

13.9 AC Characteristics: Receive-Side

Table 13-14. AC Characteristics: Receive Side

(VDD = 3.3V ±5%, TA = -40°C to +85°C.) (Note 1, Figure 13-3, Figure 13-14, and Figure 13-15)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

 

 

 

 

 

 

 

RDCLKO Period

tLP

 

 

488 (E1)

 

ns

 

 

 

 

 

 

648 (T1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RDCLKO Pulse Width

tLH

(Note 2)

200

0.5 tLP

 

ns

tLL

(Note 2)

200

0.5 tLP

 

 

 

 

RDCLKO Pulse Width

tLH

(Note 3)

150

0.5 tLP

 

ns

tLL

(Note 3)

150

0.5 tLP

 

 

 

 

RDCLKI Period

tCP

 

 

488 (E1)

 

ns

 

 

648 (T1)

 

 

 

 

 

 

 

RDCLKI Pulse Width

tCH

 

20

0.5 tCP

 

ns

tCL

 

20

0.5 tCP

 

 

 

 

 

RSYSCLK Period

tSP

(Note 4)

 

648

 

 

 

 

 

 

 

(Note 5)

 

488

 

ns

 

 

 

 

RSYSCLK Pulse Width

tSH

 

20

0.5 tSP

 

ns

tSL

 

20

0.5 tSP

 

ns

 

 

 

RSYNC Setup to RSYSCLK Falling

tSU

 

20

 

 

ns

 

 

 

 

 

 

 

RSYNC Pulse Width

tPW

 

50

 

 

ns

 

 

 

 

 

 

 

RPOSI/RNEGI Setup to RDCLKI Falling

tSU

 

20

 

 

ns

RPOSI/RNEGI Hold from RDCLKI Falling

tHD

 

20

 

 

ns

RSYSCLK, RDCLKI Rise and Fall Times

tR, tF

 

 

 

22

ns

Delay RDCLKO to RPOSO, RNEGO

tDD

 

 

 

50

ns

Valid

 

 

 

 

 

 

 

 

 

Delay RCLKO to RSERO, RDATA, RSIG

tD1

 

 

 

50

ns

Valid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delay RCLKO to RCHCLK, RSYNC,

tD2

 

 

 

50

ns

RCHBLK, RFSYNC

 

 

 

 

 

 

 

 

 

Delay RSYSCLK to RSERO, RSIG Valid

tD3

 

 

 

22

ns

 

 

 

 

 

 

 

Delay RSYSCLK to RCHCLK, RCHBLK,

tD4

 

 

 

22

ns

RMSYNC, RSYNC

 

 

 

 

 

 

 

 

 

Note 1: Timing parameters in this table are guaranteed by design (GBD).

 

 

 

 

Note 2: Jitter attenuator enabled in the receive path.

 

 

 

 

 

 

Note 3: Jitter attenuator disabled or enabled in the transmit path.

 

 

 

 

 

Note 4: RSYSCLK = 1.544MHz.

 

 

 

 

 

 

Note 5: RSYSCLK = 2.048MHz.

 

 

 

 

 

 

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Maxim DS33R11 specifications RCHBLK, Rfsync, RMSYNC, Rsync