Rainbow Electronics DS2151Q User Manual
Page 42

DS2151Q
022697 42/46
AC CHARACTERISTICS – RECEIVE SIDE
(0
°
C to 70
°
C; V
DD
=5V
±
5%)
(–40
°
C to +85
°
C for DS2151QN)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
ACLKI/RCLK Period
t
CP
648
ns
RCLK Pulse Width
t
CH
t
CL
230
230
324
324
ns
ns
1
RCLK Pulse Width
t
CH
t
CL
115
115
ns
ns
2
SYSCLK Period
t
SP
t
SP
648
488
ns
ns
3
4
SYSCLK Pulse Width
t
SH
t
SL
75
75
ns
RSYNC Set Up to SYSCLK Fal-
ling
t
SU
25
t
SH
–5
ns
RSYNC Pulse Width
t
PW
50
ns
SYSCLK Rise/Fall Times
t
R
, t
F
25
ns
Delay RCLK or SYSCLK to RSER
Valid
t
DD
10
80
ns
Delay RCLK or SYSCLK to
RCHCLK
t
D1
10
90
ns
Delay RCLK or SYSCLK to
RCHBLK
t
D2
10
90
ns
Delay RCLK or SYSCLK to
RSYNC
t
D3
10
80
ns
Delay RCLK to RLCLK
t
D4
10
80
ns
Delay RCLK to RLINK Valid
t
D5
10
110
ns
NOTES:
1. Jitter attenuator enabled in the receive side path.
2. Jitter attenuator disabled or enabled in the transmit path.
3. SYSCLK=1.544 MHz
4. SYSCLK=2.048 MHz