DS1511Y+ by Analog Devices

Y2K-Compliant Watchdog Real-Time Clocks

Status: Active
Series: DS1511
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The DS1501/DS1511 are full-function, year 2000-compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV SRAM, and a 32.768kHz output. User access to all registers within the DS1501/DS1511 is accomplished with a byte-wide interface, as shown in Figure 8. The RTC registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour binary-coded decimal (BCD) format. Corrections for day of month and leap year are made automatically.

Prices starting from US$12.86


Distributor Starting From Stock
Logo for element14 element14 US$12.86
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Logo for Newark Electronics Newark Electronics -
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Features

BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year 2100
Programmable Watchdog Timer and RTC Alarm
Century Register; Y2K-Compliant RTC
+3.3 (W) or +5V (Y) Operation
Precision Power-On Reset
Power-Control Circuitry Support System Power-On from Date/Day/Time Alarm or Key Closure/Modem-Detect Signal
256 Bytes Battery-Backed SRAM
Auxiliary Battery Input
Accuracy of DS1511 Better than ±1 Minute/Month at +25°C
Day-of-Week/Date Alarm Register
Crystal Select Bit Allow RTC to Operate with 6pF or 12.6pF Crystal (DS1501)
Battery Voltage-Level Indicator Flags
Available as Chip (DS1501) or Stand-Alone Encapsulated DIP Module with Embedded Battery and Crystal (DS1511)

Specifications

Interface Bytewide parallel
VSUPPLY (V) 3 to 5.5
Date/ Time Format (hh = sec/100) YYYY-MM-DD/ HH:MM:SS
Time Keeping Current (nA) (typ) 270
Memory Type NV SRAM
Memory Size (Bytes) 256
Time of Day Alarms 1
Package/Pins MOD/28
BudgetaryPrice (See Notes) 12.71


DS1511Y+ Semiconductors - ICs by Analog Devices

RTC W/ NVSRAM 2MB HH:MM:SS EDIP-28

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Date Format Day
Clock Format HH
Clock IC Type RTC
Supply Voltage Min 4.5V
Supply Voltage Max 5.5V
Clock IC Case Style EDIP
No. of Pins 28Pins
IC Interface Type Bytewide
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC 1 2-dimethoxyethane ethylene glycol dimethyl ether (EGDME) (15-Jan-2018)

Alternative Descriptions

RTC W/ NVSRAM, 2MB, HH: MM: SS, EDIP-28 | Farnell
Rtc W/ Nvsram, 2Mb, Hh:Mm:Ss, Edip-28 | Newark Electronics

Frequently Asked Questions

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Is the DS1511Y+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1511Y+ have stock available?

Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for DS1511Y+ .

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