Analog Devices Inc./Maxim IntegratedUnited States

DS1307ZN+T&R

IC RTC CLK/CALENDAR I2C 8SOIC

DS1307ZN+T&R is an I²C interface real-time clock with 56 bytes of NV SRAM, battery backup support, industrial temperature range -40°C to +85°C, in an 8-pin SO package.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

21 items

Parameter	Value and test conditions	Source
Package	8 SO (150 mils) Tape and Reel
Operating Temperature Range	-40°C to +85°C
Grade	Industrial
RoHS	Compliant (+Denotes a lead-free/RoHS-compliant package)
Supply Voltage	Min: 4.5V, Typ: 5.0V, Max: 5.5V
VBAT Battery Voltage	Min: 2.0V, Typ: 3V, Max: 3.5V
Voltage Range on Any Pin Relative to Ground	-0.5V to +7.0V
Storage Temperature Range	-55°C to +125°C
SCL Clock Frequency	Max: 100kHz
Active Supply Current	Max: 1.5mA (fSCL = 100kHz)
Standby Current	Max: 200μA
VBAT Current (OSC ON); SQW/OUT OFF	Typ: 300nA, Max: 500nA
VBAT Data-Retention Current (Oscillator Off)	Typ: 10nA, Max: 100nA
Logic 0 Output	Max: 0.4V (IOL = 5mA)
Logic 1 Input	Min: 2.2V, Max: VCC + 0.3V
Logic 0 Input	Min: -0.3V, Max: +0.8V
Input Leakage (SCL)	Min: -1μA, Max: 1μA
I/O Leakage (SDA, SQW/OUT)	Min: -1μA, Max: 1μA
VBAT Leakage Current	Typ: 5nA, Max: 50nA
Power-Fail Voltage	Min: 1.216 x VBAT, Typ: 1.25 x VBAT, Max: 1.284 x VBAT (VBAT = 3.0V)
Certification	Underwriters Laboratories® (UL) Recognized

All parameters (19)ExpandCollapse

Power
Current - Timekeeping (Max)	200µA @ 5V
Voltage - Supply	4.5V ~ 5.5V
Voltage - Supply, Battery	2V ~ 3.5V
Environment and package
Memory Size	56B
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Package	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Other
Base Product Number	DS1307
Date Format	YY-MM-DD-dd
DigiKey Programmable	Not Verified
Features	Leap Year, NVSRAM, Square Wave Output
Interface	I²C, 2-Wire Serial
Mfr	Analog Devices Inc./Maxim Integrated
Product Status	Active
Series	-
Time Format	HH:MM:SS (12/24 hr)
Type	Clock/Calendar

Pinout and package

PIN CONFIGURATIONS — Package: **8 SO (150 mils) Tape and Reel**

Pin	Name	Function	Source
gnd		Ground
scl		I²C Serial Clock Input
sda		I²C Serial Data Input/Output, Open Drain
sqw/out		Square Wave/Output Driver, Open Drain, selectable 1Hz/4kHz/8kHz/32kHz
vbat		Backup Supply Input for Any Standard 3V Lithium Cell
vcc		Primary Power Supply
x1		Input for Standard 32.768kHz Quartz Crystal connection
x2		Output for Standard 32.768kHz Quartz Crystal connection

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