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Maxim > Solutions > Set-Top Boxes
Memory
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Accurate I²C RTC with Integrated TCXO/Crystal/FRAM
DS32B35, DS32C35
| Nonvolatile Memory Has No Backup Supply and No Write Cycle Limits |
| QV PDF |
3.3V Single-Piece 1Mb Nonvolatile SRAM with Clock
DS3045W
| DS3045W 3.3V Single Piece 1M Nonvolatile SRAM with Integrated RTC |
| QV PDF |
3.3V Single-Piece 4Mb Nonvolatile SRAM with Clock
DS3050W
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| QV PDF |
3.3V Single-Piece 8Mb Nonvolatile SRAM
DS2065W
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| QV PDF |
3.3V Single-Piece 4Mb Nonvolatile SRAM
DS2050W
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| QV PDF |
3.3V Single-Piece 1Mb Nonvolatile SRAM
DS2045W
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| Key Specifications:
Memory (EPROM, EEPROM, ROM, NV SRAM) |
| Part Number |
Memory Type |
Memory Size |
Bus Type |
Real-Time Clock |
DIP with Internal Battery |
PowerCap Package |
Battery Monitor |
With GPIO |
Single Piece Module |
Features |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
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DS3045W
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NV SRAM
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128K x 8
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Parallel
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Yes
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No
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No
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No
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No
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Yes
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3
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3.6
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DS3050W
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NV SRAM
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512K x 8
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Parallel
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Yes
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No
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No
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No
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No
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Yes
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3
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3.6
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DS2050W
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NV SRAM
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512K x 8
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Parallel
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No
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No
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No
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No
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No
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Yes
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3
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3.6
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DS2065W
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NV SRAM
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1M x 8
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Parallel
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No
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No
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No
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No
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No
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Yes
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3
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3.6
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DS2045W
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NV SRAM
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128K x 8
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Parallel
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No
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No
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No
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No
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No
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Yes
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3
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3.6
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| See All Memory (EPROM, EEPROM, ROM, NV SRAM) (69) |
| Key Specifications:
Oscillator Modules |
| Part Number |
Frequency |
Oscillator Type |
Tuning Adjustment Type |
Frequency Output Type |
Freq. Stability vs. Temp. @0 to +40°C (±ppm) |
Freq. Stab. vs.Temp. @-40 to 0/ +40 to 85°C (±ppm) |
Frequency Stability vs. Supply Voltage (±ppm/V) |
Frequency Stability vs. Aging (±ppm) |
Supply Voltage (V) |
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DS32B35
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32.768kHz
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TCXO
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Digital
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CMOS Open-Drain
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2
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3.5
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1 (typ)
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5 (0-10 Years)
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2.7 to 3.63
3.3
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DS32C35
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32.768kHz
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TCXO
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Digital
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CMOS Open-Drain
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2
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3.5
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1 (typ)
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5 (0-10 Years)
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2.7 to 3.63
3.3
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| See All Oscillator Modules (26) |
| Key Specifications:
Timekeeping & Real-Time Clocks |
| Part Number |
Functions |
Time Format (hh = sec/100) |
Date Format |
Interface |
Supply Voltage (V) |
Time- keeping Current (typ) (nA) |
Memory Type |
Memory Size (Bytes) |
Number of Time of Day Alarms |
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DS3045W
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HH:MM:SS
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YYYY-MM-DD
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Bytewide
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3.3
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-
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NV SRAM
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128K
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1
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DS3050W
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HH:MM:SS
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YYYY-MM-DD
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Bytewide
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3.3
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-
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NV SRAM
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512K
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1
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DS32B35
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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2.7 to 3.63
3.3
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840
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FRAM
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2K
8K
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-
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DS32C35
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-
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HH:MM:SS
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YY-MM-DD
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I2C
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2.7 to 3.63
3.3
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840
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FRAM
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2K
8K
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-
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| See All Timekeeping & Real-Time Clocks (86) |
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