PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Figure 44
- RSTB Timing
tV
RSTB
RSTB
16.2 Synchronous I/O Timing
Figure 45
- Synchronous I/O Timing
CLK
Ts
Th
Input
Tp
Tz
Tzb
Output
Table 43
Symbol
SYSCLK and REFCLK Timing
Description
Min
20
Max
55
Units
f
Frequency, SYSCLK
Duty Cycle, SYSCLK
Frequency, REFCLK
Duty Cycle, REFCLK
MHz
%
SYSCLK
D
40
60
SYSCLK
REFCLK
f
33
MHz
%
D
40
60
SYSCLK
Table 44
Cell Buffer SDRAM Interface
Symbol
Description
Min
2.5
Max
Units
Ts
Input Set-up time to SYSCLK
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
307