參數(shù)資料
型號: PM5945
廠商: PMC-SIERRA INC
元件分類: 數(shù)字傳輸電路
英文描述: CONN
中文描述: ATM NETWORK INTERFACE, XFO
文件頁數(shù): 31/84頁
文件大?。?/td> 1666K
代理商: PM5945
S
TANDARD
P
RODUCT
PMC-Sierra, Inc.
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
______________________________________________________________________________________________
APP_SAPI_UTP5
______________________________________________________________________________________________
27
Figure 5: Microprocessor Interface Read Timing
(CSB+RDB)
INTB
tP
INTL
tS
AR
tH
AR
Valid Address
Valid Data
D[7:0]
tP
RD
tZ
RD
A[8:0]
Notes on Microprocessor Interface Read Timing:
1. Output propagation delay time is the time in nanoseconds from the 50% point of
the reference signal to the 30% or 70% point of the output.
2. A valid read cycle is defined as a logical OR of the CSB and the RDB signals.
3. When a set-up time is specified between an input and a clock, the set-up time is
the time in nanoseconds from the 1.4 Volt point of the input to the 1.4 Volt point of
the clock.
4.
the time in nanoseconds from the 1.4 Volt point of the input to the 1.4 Volt point of
the clock.
When a hold time is specified between an input and a clock, the hold time is
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