PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
17.7 Alarm Interface (Figure 41)
(T = -40°C to +85°C V
= 3.3V ±5%, V
DD1V8
= 1.8V ±5%)
A
DDall33
Table 55 – Alarm Interface
Symbol
Description
XCLK to LOS, LOS_L1 Output Prop. Time
Min
Max
Units
T
-50
50
ns
P
LOS
Figure 41 – Alarm Interface Timing
XCLK
tP
LOS
LOS
LOS_L1
17.8 Ingress Clk/Data Interface (Figure 42)
Table 56 – Ingress Clk/Data Interface
Symbol
Description
Min
Max
Units
ICLK_IN Frequency (1.544MHz
±200ppm or 2.048MHz ±200 ppm)
1.544 –
200ppm
2.048
+200ppm
MHz
ICLK_IN Duty Cycle
35
20
20
-20
65
%
tS
IDATA[8:1], IFP_IN Set-up Time
IDATA[8:1], IFP_IN Hold Time
ns
ns
ns
INGRESS
tH
tP
INGRESS
ICLK_OUT to IFP_OUT Propagation
Delay
50
INGRESS
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
228
PMC [ PMC-SIERRA, INC ]
