参数资料
型号: PM7351-BI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: OCTAL SERIAL LINK MULTIPLEXER
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PBGA304
封装: 31 X 31 MM, 1.51 MM HEIGHT, 1.27 MM PITCH, SBGA-304
文件页数: 163/174页
文件大小: 1790K
代理商: PM7351-BI
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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