Datasheet

DS26518 8-Port T1/E1/J1 Transceiver
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Table 13-3. Receiver AC Characteristics
(V
DD
= 3.3V ±5%, T
A
= -40°C to +85°C.) (See Figure 13-6 and Figure 13-7.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
(Note 1) 648
RCLKn Period t
CP
(Note 2) 488
ns
t
CH
125
RCLKn Pulse Width
t
CL
125
ns
(Note 3) 60
RSYSCLKn Period t
SP
(Note 4) 60
ns
t
SH
30
RSYSCLKn Pulse Width
t
SL
30
ns
RSYNCn Setup to RSYSCLKn Falling t
SU
10 ns
RSYNCn Pulse Width t
PW
50 ns
Delay RCLKn to RSERn, RSIGn Valid t
D1
10 ns
Delay RCLKn to RCHCLKn,
RSYNCn, RCHBLKn, RFSYNCn
t
D2
20 ns
Delay RSYSCLKn to RSERn, RSIGn
Valid
t
D3
20 ns
Delay RSYSCLKn to RCHCLKn,
RCHBLKn, RMSYNCn, RSYNCn
t
D4
20 ns
Note 1: T1 Mode.
Note 2: E1 Mode.
Note 3: RSYSCLKn = 1.544MHz.
Note 4: RSYSCLKn = 2.048MHz.