DS2154 Dallas Semiconducotr, DS2154 Datasheet - Page 78

• Manufacturer Part Number: DS2154
• Description: Enhanced E1 Single Chip Transceiver
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS -
RECEIVE SIDE
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.
PARAMETER
RCLKO Period
RCLKO Pulse Width
RCLKO Pulse Width
RCLKI Period
RCLKI Pulse Width
RSYSCLK Period
RSYSCLK Pulse Width
RSYNC Set Up to RSYSCLK Falling
RSYNC Pulse Width
RPOSI/RNEGI Set Up to RCLKI
Falling
RPOSI/RNEGI Hold From RCLKI
Falling
RSYSCLK/RCLKI Rise and Fall Times
Delay RCLKO to RPOSO, RNEGO
Valid
Delay RCLK to RSER, RDATA, RSIG,
RLINK Valid
Delay RCLK to RCHCLK, RSYNC,
RCHBLK, RFSYNC, RLCLK
Delay RSYSCLK to RSER, RSIG Valid
Delay RSYSCLK to RCHCLK,
RCHBLK, RMSYNC, RSYNC
SYMBOL
-40 C to +85 C; V
t
t
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CH
PW
HD
DD
LH
LH
CL
CP
CL
SH
SU
SU
D1
D2
D3
D4
78 of 87
LP
LL
SP
SP
SL
, t
(0 C to 70 C; V
F
MIN
200
200
150
150
122
122
75
75
50
50
20
50
20
20
TYP
488
244
244
244
244
488
648
488
DD
DD
=5V =5% for DS2154LN)
=5V =5% for DS2154L;
MAX
t
SH
25
50
50
50
50
50
-5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
DS2154
1
1
2
2
3
4