參數(shù)資料
型號: ICS2694M
英文描述: Motherboard Clock Generator
中文描述: 主板時鐘發(fā)生器
文件頁數(shù): 5/8頁
文件大?。?/td> 254K
代理商: ICS2694M
AC Timing Characteristics
The following notes apply to all parameters presented in this section:
1. Xtal Frequency = 14.31818 MHz
2. All units are in nanoseconds (ns).
3. Rise and fall time is between 0.8 and 2.0 VDC.
4. Output pin loading = 15pF
5. Duty cycle is measured at 1.4V.
6. Supply Voltage Range = 4.5 to 5.5 volts
7. Temperature Range = 0
°
C to 70
°
C
SYMBOL
PARAMETER
MIN
MAX
NOTES
STROBE TIMING
Tpw
Tsu
Thd
Strobe Pulse Width
Setup Time Data to Strobe
Hold Time Data to Strobe
20
10
10
-
-
-
FOUT TIMING
Tr
Tf
-
-
Rise Time
Fall Time
Frequency Error
Maximum Frequency
-
-
3
3
0.5
135
Duty Cycle 40% min. to 60% max.
at 80 MHz
%
MHz
Note
:
Pattern -004 has rising edges of CPUCLK and CPUCLK/2 matched to
±
2 ns.
STROBE
CPUSEL (0-3)
Tpw
Tsu
Thd
ICS2694
5
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