參數(shù)資料
型號(hào): MT90401AB1
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 數(shù)字傳輸電路
英文描述: SONET/SDH System Synchronizer
中文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026BEC, LQFP-80
文件頁數(shù): 30/38頁
文件大?。?/td> 650K
代理商: MT90401AB1
MT90401
Data Sheet
30
Zarlink Semiconductor Inc.
* Voltages are with respect to ground (V
) unless otherwise stated.
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
* Timing for input and output signals is based on the worst case
Figure 14 - Timing Parameter Measurement Voltage Levels
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels*
Characteristics
Sym.
CMOS
Units
1
Threshold Voltage
V
T
V
HM
V
LM
0.5V
DD
0.7V
DD
0.3V
DD
V
2
Rise and Fall Threshold Voltage High
V
3
Rise and Fall Threshold Voltage Low
V
AC Electrical Characteristics - Microprocessor Timing*
Characteristics
Sym.
Min.
Max.
Units
Test Conditions
1
DS low
t
DSL
30
ns
2
DS High
t
DSH
30
ns
3
CS Setup
t
CSS
0
ns
4
R/W Setup
t
RWS
18
ns
5
Address Setup
t
ADS
0
ns
6
CS Hold
t
CSH
0
ns
7
R/W Hold
t
RWH
4
ns
8
Address Hold
t
ADH
10
ns
9
Data Delay Read
t
DDR
50
ns
C
L
=150 pF
10
Data Hold Read
t
DHR
30
ns
11
Data Setup Write
t
DSW
0
ns
12
Data Hold Write
t
DHW
10
ns
t
IR,
t
OR
Timing Reference Points
ALL SIGNALS
V
HM
V
T
V
LM
t
IF,
t
OF
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