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DS1375
I²C Digital Input RTC with Alarm
Industry's Lowest Cost RTC Operates from 50Hz/60Hz Line Frequency
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Status
Description
The DS1375 digital real-time clock (RTC) is a low-power clock/calendar that does not require a crystal. The device operates from a digital clock input pin at one of four frequencies: 32.768kHz, 8.192kHz, 60Hz, or 50Hz. It maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of-day/date alarms, a programmable square-wave output, and 16 bytes of SRAM are provided. Address and data are transferred serially through an I²C bidirectional bus.
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Data Sheet
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Key Features
- RTC Counts Seconds, Minutes, Hours, Day, Date,Month, and Year with Leap-Year Compensation Valid Up to 2100
- Two Programmable Alarms
- Programmable Square-Wave Output
- Operates from a 32.768kHz, 8.192kHz, 60Hz, or 50Hz Digital Clock Signal
- 16 Bytes of SRAM
- Fast (400kHz) I²C Interface
- 1.7V to 5.5V Operation
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Applications/Uses
- Appliances
- Automotive
- Consumer Electronics
- RTC Complement to the DS32kHz TCXO
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Key Specifications:
| Timekeeping & Real-Time Clocks |
| Part Number |
Date/ Time Format |
Interface |
VSUPPLY
(V) |
Memory Type |
Time of Day Alarms |
Integrated XTAL |
Budgetary Price |
| hh = sec/100 |
See Notes |
| DS1375 |
YY-MM-DD/ HH:MM:SS |
I2C |
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None |
2 |
No |
$0.50 @1k |
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See All Timekeeping & Real-Time Clocks (86)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Application Notes
Product Guides
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Recommended Replacement |
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| DS1375T
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N/A |
No Longer Available |
DS1375T
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TDFN-EP;6 pin;9.6 mm²
Land Pattern: Not Available
Use pkgcode/variation: T633-1*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| DS1375T+
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Active |
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TDFN-EP;6 pin;9.6 mm²
Outline Drawing:21-0137 (PDF)
Land Pattern: 90-0058 (PDF)
Use pkgcode/variation: T633+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| DS1375T+T&R
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Active |
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TDFN-EP;6 pin;9.6 mm²
Outline Drawing:21-0137 (PDF)
Land Pattern: 90-0058 (PDF)
Use pkgcode/variation: T633+2*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| DS1375T/T&R
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N/A |
No Longer Available |
DS1375T+T&R
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TDFN-EP;6 pin;9.6 mm²
Land Pattern: Not Available
Use pkgcode/variation: T633-1*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Information Index
Rev 2;
2008-10-16
This page last modified: 2009-10-13
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