參數(shù)資料
型號: PM7351
廠商: PMC-Sierra, Inc.
英文描述: OCTAL SERIAL LINK MULTIPLEXER
中文描述: 八路串行連接復(fù)用器
文件頁數(shù): 163/174頁
文件大?。?/td> 1790K
代理商: PM7351
RELEASED
PM7351 S/UNI-VORTEX
DATA SHEET
PMC-1980582
ISSUE 5
OCTAL SERIAL LINK MULTIPLEXER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
153
Fig. 14 Microprocessor Interface Read Timing
tZ
RD
Valid Data
D[7:0]
tP
RD
tS
AR
tH
AR
(CSB+RDB)
A[8:0]
Valid Address
ALE
tV
L
tS
ALR
tS
LR
tH
ALR
tH
LR
tZ
INTH
Notes on Microprocessor Interface Read Timing:
1. Output propagation delay time is the time in nanoseconds from the 1.4 Volt
point.
2. Maximum output propagation delays are measured with a 100 pF load on the
Microprocessor Interface data bus, (D[7:0]).
3. A valid read cycle is defined as a logical OR of the CSB and the RDB signals.
4. In non-multiplexed address/data bus architectures, ALE should be held high so
parameters tS
ALR
, tH
ALR
, tV
L
, and tS
LR
are not applicable.
5. Parameter tH
AR
is not applicable if address latching is used.
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