Rainbow Electronics DS2154 - Manual (Page 60)

DS2154
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AC CHARACTERISTICS – RECEIVE SIDE (0 ° C to 70 ° C; V
DD
=5V ± 5% for DS2154L;
–40
°
C to + 85
°
C; V
DD
=5V
±
5% for DS2154LN)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
RCLKO Period t
LP
488 ns
RCLKO Pulse Width t
LH
t
LL
200
200 244
244 ns
ns 1
1
RCLKO Pulse Width t
LH
t
CL
150
150 244
244 ns
ns 2
2
RCLKI Period t
CP
488 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 14–4 to 14–6 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.