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Maxim > Solutions > Programmable Logic Controllers (PLCs)
Clock
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| Display |
Title/Parts |
Key Advantages |
| QV PDF |
Factory-Programmable, Single PLL Clock Generator
MAX9491
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| QV PDF |
Extremely Accurate I²C-Integrated RTC/TCXO/Crystal
DS3231
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| QV PDF |
Multiple Output Clock Generators with Dual PLLs and OTP
MAX9471, MAX9472
| Bidirectional Composite Video Signal, Single-Supply Operation, Two Composite Inputs and Outputs |
| QV PDF |
SPI-Compatible RTC in a TDFN
MAX6902
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| QV PDF |
I²C-Compatible RTC in a TDFN
MAX6900
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| Key Specifications: Clock Generators |
| Part Number |
Applications |
fIN
(MHz) |
fIN
(MHz) |
fOUT
(MHz) |
fOUT
(MHz) |
Fixed or Continuous Frequency |
Output Levels |
Out-
puts |
PLLs |
Program-
mability |
Spread Spectrum |
Output Jitter
(ps) |
VSUPPLY
(V) |
Package/Pins |
| min |
max |
min |
max |
RMS |
| MAX9471 |
General Purpose |
5 |
50 |
4 |
200 |
Continuous |
LVCMOS |
4 |
2 |
Factory One-Time Programmable (OTP) |
No |
14 |
3.3 |
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| MAX9472 |
General Purpose |
Continuous |
3 |
2 |
14 |
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| MAX9491 |
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Fixed |
1 |
1 |
4 |
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See All Clock Generators (27)
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| Key Specifications: Oscillator Modules |
| Part Number |
Freq. |
Osc. Type |
Tuning Adjustment Type |
Freq. Output Type |
Frequency Stability
(±ppm/yr) |
Frequency Stability
(±ppm/yr) |
Frequency Stability
(±ppm/yr) |
Frequency Stability
(±ppm) |
VSUPPLY
(V) |
| 0 to +40°C |
-40 to 0°C/ +40 to +85°C |
vs. VCC |
vs. Aging |
| DS3231 |
32.768kHz |
TCXO |
Digital |
CMOS Open-Drain |
2 |
3.5 |
1 (typ) |
5 (0-10 Years) |
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See All Oscillator Modules (28)
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| Key Specifications: Timekeeping & Real-Time Clocks |
| Part Number |
Date/ Time Format |
Interface |
VSUPPLY
(V) |
Time Keeping Current
(nA) |
Memory Type |
Time of Day Alarms |
| hh = sec/100 |
typ |
| DS3231 |
YY-MM-DD/ HH:MM:SS |
I2C |
|
840 |
None |
2 |
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See All Timekeeping & Real-Time Clocks (80)
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