參數(shù)資料
型號: MT90500AL
廠商: Mitel Networks Corporation
英文描述: Multi-Channel ATM AAL1 SAR
中文描述: 多通道自動柜員機(jī)AAL1特區(qū)
文件頁數(shù): 132/159頁
文件大?。?/td> 514K
代理商: MT90500AL
MT90500
132
Table 93 - Primary UTOPIA Interface Parameters - Receive
Characteristic
Sym
Min
Typ
Max
Units
Test Conditions
PRXCLK Period
t
PRXP
40
ns
PRXCLK = 25 MHz
PRXCLK Pulse Width (HIGH / LOW)
t
PRXH/L
16
20
24
ns
Input Setup
PRXEN,
PRXDATA[7:0] VALID) to PRXCLK
rising
Time
- (PRXCLAV,
PRXSOC
asserted
and
t
PRXIS
10
ns
Input Hold Time
- PRXCLK rising to
(PRXDATA[7:0]
PRXSOC, PRXCLAV, and PRXEN de-
asserted)
INVALID
and
t
PRXIH
1
ns
Note 1:
The MT90500 operates with the UTOPIA cell-level handshake.
Note 2:
The relative timing of PRXCLAV, PRXEN and PRSOC must be as shown, or as given in UTOPIA Level 1 Version 2.01 Figure 6. The
timing shown is also valid for applications where PRXEN is permanently asserted.
V
TT
PRXSOC
PRXCLK
t
PRXH
t
PRXL
t
PRXP
Figure 58 - Primary UTOPIA Bus - Receive Timing
V
TT
PRXEN
PRXDATA[7:0]
X
X
H1
H2
P47
P48
V
TT
V
TT
V
TT
PRXCLAV
t
PRXIS
t
PRXIH
X
t
PRXIH
t
PRXIH
H1
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