STANDARD PRODUCT
PM4328 TECT3
DATASHEET
PMC-2011596
ISSUE 1
HIGH DENSITY T1/E1 FRAMER
AND M13 MULTIPLEXER
Table 40: Egress Interface Timing - Clock Slave: EFP Enabled Mode (Figure
90)
Symbol
Description
Min
Max
Units
Common Egress Clock
1.5
2.1
MHz
1,2
Frequency (Typically 1.544 MHz ±
130 ppm or 2.048 MHz ± 130 ppm for
T1 modes and 2.048 MHz ±50ppm
for E1 modes)
2,4
t1
167
167
145
145
ns
ns
ns
ns
Common Egress High Pulse Width
(XCLK = 37.056 MHz)
CECLK
2,4
t0
Common Egress Low Pulse Width
(XCLK = 37.056 MHz)
CECLK
2,4
t1
Common Egress High Pulse Width
(XCLK = 49.152 MHz)
CECLK
2,4
t0
Common Egress Low Pulse Width
CECLK
(XCLK = 49.152 MHz)
7,9
tS
20
20
5
ns
ns
ns
CECLK to Input Set-up Time
CECLK
8,9
tH
CECLK to Input Hold Time
CECLK
tP
CECLK to EFP[x] Propagation
100
EFP1
delay9,10,11
Figure 90: Egress Interface Timing - Clock Slave: EFP Enabled Mode
CEFP
Valid
tSCECLK
ED[x]
tHCECLK
t0 CECLK
CECLK
EFP[x]
t1 CECLK
Valid
tP
EFP1
PROPRIETARY AND CONFIDENTIAL
221
PMC [ PMC-SIERRA, INC ]
