DS1615 Maxim Integrated Products, DS1615 Datasheet - Page 3

• Manufacturer Part Number: DS1615
• Description: IC RECORDER TEMP 5V 16-DIP
• Manufacturer: Maxim Integrated Products
• Type: Temperature Recorderr

Specifications of DS1615

• Memory Size: 32B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: 3-Wire Serial
• Voltage - Supply: 4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS1615 BLOCK DIAGRAM Figure 1
SIGNAL DESCRIPTIONS
The following paragraphs describe the function of each pin.
V
connected to a +5-volts supply.
V
exception of the serial interface circuitry are powered by V
by V
directly to GND.
GND - Ground
COMSEL (Communication Select Input) - This pin determines whether serial communication is
asynchronous or synchronous. When pulled high to V
place via the SCLK, I/O, and
utilizing the TX and RX pins is selected. If this pin is floated, the DS1615 will operate in the
asynchronous communications mode since the COMSEL pin has a weak internal pulldown resistor.
Tx (Transmit Output) - Transmit output of the asynchronous serial interface. Tx is tri-stated whenever
V
Rx (Receive Input) - Receive input of the asynchronous serial interface.
SCLK (3-wire Serial Clock Input) - The SCLK pin is the serial clock input for the 3-wire synchronous
communications channel.
CC
bat
CC
- V
- Battery input for standard lithium cell or other energy source. All functions of the DS1615 with the
< V
CC
CC
when V
bat
is a +5-volts input supply. Communication with the DS1615 can take place only when V
.
CC
> V
bat
. If a battery or other energy source is not used the V
RST
pins. When COMSEL is tied to ground, asynchronous communication
3 of 24
CC
, communication is synchronous and will take
bat
when V
CC
< V
bat
. All functions are powered
bat
pin should be connected
CC
is