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參數(shù)資料
| 型號(hào)： | MAX7384C |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Replaced by SN54197 : 50/30/100-Mhz Presettable Decade OR Binary Counters/Latches 14-CFP -55 to 125 |
| 中文描述： | 硅振蕩器的低功耗高頻開(kāi)關(guān)和復(fù)位輸出 |
| 文件頁(yè)數(shù)： | 7/9頁(yè) |
| 文件大?。?/td> | 732K |
| 代理商： | MAX7384C |
20s with a 12GHz oscilloscope. Jitter measurements
are approximately proportional to the output period of
the device. Thus, a 10MHz device has approximately
twice the jitter value of a 20MHz device. The jitter per-
formance of all clock sources degrades in the pres-
ence of mechanical and electrical interference. The
MAX7384 is relatively immune to vibration, shock, and
EMI influences and thus provides a considerably more
robust clock source than crystal or ceramic resonator-
based oscillator circuits.
Initial Power-Up and Operation
An internal power-up reset asserts RST until the supply
voltage has risen above the power-on-reset threshold
(V
TH+
).
RST holds the microcontroller in a reset condition until
120μs after V
CC
has risen above V
TH+
. This reset delay
ensures that the clock output and the microcontroller’s
internal clock circuits have stabilized before the system
is allowed to start. Typical microcontroller reset delay
ranges from 1ms to 250ms to allow a slow crystal oscil-
lator circuit to start up. The MAX7384 has a fast startup,
eliminating the need for such a long reset delay.
Extended Temperature Operation
The MAX7384 was tested to +135
°
C during product char-
acterization and shown to function normally at this tem-
perature (see the
Typical Operating Characteristics
).
However, production test and qualification is only per-
formed from -40
°
C to +125
°
C at this time. Contact the fac-
tory if operation outside this range is required.
Power-Supply Considerations
The MAX7384 operates with a 2.7V and 5.5V power-
supply voltage. V
CC
provides power to the the internal
circuitry and V
L
supplies power to the clock and reset
outputs. Good power-supply decoupling is needed to
maintain the power-supply rejection performance of the
MAX7384. Bypass both V
CC
and V
L
to GND with a
0.1μF surface-mount ceramic capacitor. Mount the
bypassing capacitors as close to the device as possi-
ble. Use a larger value bypass capacitor if the MAX7384
is to operate with a large capacitive load. Use a bypass
capacitor value of at least 1000 times that of the output
load capacitance.
M
Silicon Oscillator with Low-Power Frequency
Switching and Reset Output
_______________________________________________________________________________________
7
PART
RESET
OUTPUT
TYPE
RESET
THRESHOLD
(V)
FREQUENCY
(MHz)
MAX7384CRUK
MAX7384CRUT
MAX7384CRVB
MAX7384CRVT
MAX7384CRWB
MAX7384CMUK
MAX7384CMUT
MAX7384CMVB
MAX7384CMVT
MAX7384CMWB Open drain
Open drain
Open drain
Open drain
Open drain
Open drain
Open drain
Open drain
Open drain
Open drain
2.89
2.89
2.89
2.89
2.89
4.38
4.38
4.38
4.38
4.38
10
11.0592
12
14.7456
16
10
11.0592
12
14.7456
16
Table 3. Standard Part Numbers
SUFFIX
X
V
R
Q
P
N
J
M
RESET THRESHOLD (V)
2.50
2.71
2.89
3.13
3.34
3.44
3.96
4.38
Standard value
Standard value
Table 1. Standard Reset Threshold
Levels
SUFFIX
UK
UT
VB
VT
WB
STANDARD FREQUENCY (MHz)
10
11.0592
12
14.7456
16
Table 2. Standard Frequencies
Contact factory for nonstandard reset threshold options.
For all other frequency options, contact factory.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7384CMUK-T | 制造商:Maxim Integrated Products 功能描述:SILICON OSCILLATOR W. LOW-PWR FREQUENCY SWITC - Tape and Reel |
| MAX7384CMUT | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX7384CMUT-T | 制造商:Maxim Integrated Products 功能描述:SILICON OSCILLATOR W. LOW-PWR FREQUENCY SWITC - Tape and Reel |
| MAX7384CMVB | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX7384CMVB-T | 制造商:Maxim Integrated Products 功能描述:SILICON OSCILLATOR W. LOW-PWR FREQUENCY SWITC - Tape and Reel |
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