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DS1307N 其他数据使用手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
实时时钟芯片
封装:
PDIP-8
描述:
64 ×8 ，串行， I²C实时时钟 64 x 8, Serial, I2C Real-Time Clock
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DS1307N数据手册
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REV: 071405
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata
.
GENERAL DESCRIPTION
The DS1307 serial real-time clock (RTC) is a
low-power, full binary-coded decimal (BCD)
clock/calendar plus 56 bytes of NV SRAM.
Address and data are transferred serially through
an I
2
C*, bidirectional bus. The clock/calendar
provides seconds, minutes, hours, day, date,
month, and year information. The end of the
month date 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 AM/PM indicator.
The DS1307 has a built-in power-sense circuit
that detects power failures and automatically
switches to the battery supply.
* I
2
C is a trademark of Philips Corp. Purchase of I
2
C components of
Maxim Integrated Products, Inc., or one of its sublicensed
Associated Companies, conveys a license under the Philips I
2
C
Patent Rights to use these components in an I
2
C system, provided
that the system conforms to the I
2
C Standard Specification as
defined by Philips Corp.
FEATURES
§ Real-Time Clock (RTC) Counts Seconds,
Minutes, Hours, Date of the Month, Month,
Day of the week, and Year with Leap-Year
Compensation Valid Up to 2100
§ 56-Byte, Battery-Backed, Nonvolatile (NV)
RAM for Data Storage
§ I
2
C Serial Interface
§ Programmable Square-Wave Output Signal
§ Automatic Power-Fail Detect and Switch
Circuitry
§ Consumes Less than 500nA in Battery-
Backup Mode with Oscillator Running
§ Optional Industrial Temperature Range:
-40°C to +85°C
§ Available in 8-Pin Plastic DIP or SO
§ Underwriters Laboratory (UL) Recognized
Typical Operating Circuit and Pin Configurations appear
at end of data sheet.
ORDERING INFORMATION
PART TEMP RANGE
VOLTAGE
(V)
PIN-PACKAGE TOP MARK*
DS1307 0°C to +70°C 5.0 8 PDIP (300 mils) DS1307
DS1307+ 0°C to +70°C 5.0 8 PDIP (300 mils) DS1307
DS1307N -40°C to +85°C 5.0 8 PDIP (300 mils) DS1307
DS1307Z 0°C to +70°C 5.0 8 SO (150 mils) DS1307
DS1307Z+ 0°C to +70°C 5.0 8 SO (150 mils) DS1307
DS1307ZN -40°C to +85°C 5.0 8 SO (150 mils) DS1307N
DS1307ZN+ -40°C to +85°C 5.0 8 SO (150 mils) DS1307N
DS1307Z/T&R 0°C to +70°C 5.0 8 SO (150 mils) Tape and Reel DS1307
DS1307Z+T&R 0°C to +70°C 5.0 8 SO (150 mils) Tape and Reel DS1307
DS1307ZN/T&R -40°C to +85°C 5.0 8 SO (150 mils) Tape and Reel DS1307N
DS1307ZN+T&R -40°C to +85°C 5.0 8 SO (150 mils) Tape and Reel DS1307N
+ Denotes a lead-free/RoHS-compliant device.
* A “+” anywhere on the top mark indicates a lead-free device. An “N” on the lower left corner of the top mark indicates an industrial
temperature grade device.
DS1307
64 x 8, Serial, I
2
C Real-Time Clock
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