參數(shù)資料
型號(hào): MAX9492
廠商: Maxim Integrated Products, Inc.
英文描述: Multiple-Output Clock Generator with Spread Spectrum
中文描述: 多輸出時(shí)鐘發(fā)生器,帶有擴(kuò)頻功能
文件頁數(shù): 4/11頁
文件大?。?/td> 276K
代理商: MAX9492
M
Multiple-Output Clock Generator
with Spread Spectrum
4
_______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25
°
C, unless otherwise noted.)
M
FALL TIME vs. TEMPERATURE
(ALL OUTPUTS SET TO 133MHz)
TEMPERATURE (
°
C)
F
-40
-15
10
35
60
85
1.0
1.2
1.4
1.6
1.8
2.0
M
SUPPLY CURRENT vs. TEMPERATURE
(ALL OUTPUTS SET TO 133MHz)
TEMPERATURE (
°
C)
S
-40
-15
10
35
60
85
58.0
58.4
58.8
59.2
59.6
60.0
60.4
60.8
61.2
61.6
62.0
M
RISE TIME vs. TEMPERATURE
(ALL OUTPUTS SET TO 133MHz)
TEMPERATURE (
°
C)
R
-40
-15
10
35
60
85
1.5
1.7
1.9
2.1
2.3
2.5
Note 1:
All DC parameters tested at T
A
= +25
°
C. Specifications over temperature are guaranteed by design.
Note 2:
Guaranteed by design.
Note 3:
No high output level is specified but only the output resistance to the bus. For I
2
C, the high-level voltage is provided by
pullup resistors on the bus.
Note 4:
The device provides a hold time of at least 300ns for the SDA signal (referred to V
IL
of the SCL signal) to bridge the unde-
fined region of SCL
s falling edge.
Note 5:
C
B
= total capacitance of one bus line in pF. t
R
and t
F
measured between 0.3 x V
DD
and 0.7 x V
DD
.
Note 6:
Bus sink current is less than 6mA. C
B
is the total capacitance of one bus line in pF. t
R
and t
F
are measured between 0.3 x
V
DD
and 0.7 x V
DD
.
Note 7:
Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fall Time of SDA, Transmitting
t
F,TX
(Notes 2, 6)
20 +
0.1C
B
0
250
ns
Pulse Width of Spike Suppressed
t
SP
(Notes 2, 7)
50
ns
Capacitive Load for Each Bus
Line
C
B
(Note 2)
400
pF
SERIAL INTERFACE TIMING (continued)
(V
DD
= V
DDA
= +3.3V, T
A
= -40
°
C to +85
°
C.) (Note 1, Figure 1)
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