Manual

DS2154
031197 60/69
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.