PT7C4307WEX Pericom Semiconductor, PT7C4307WEX Datasheet - Page 2

• Manufacturer Part Number: PT7C4307WEX
• Description: IC REAL TIME CLK/CALENDAR 8-SOIC
• Manufacturer: Pericom Semiconductor
• Type: Clock/Calendarr

Specifications of PT7C4307WEX

• Memory Size: 56B
• Time Format: Binary
• Date Format: Binary
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PT7C4307WEXTR

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Pin Assignment
Pin Description
PT0206(08/09)
Pin no.
1
2
6
5
7
8
3
4
SQW/OUT
VBAT
GND
SDA
VCC
SCL
Pin
X1
X2
Type
I/O
O
O
P
P
P
I
I
Oscillator Circuit Input. Together with X2, 32.768kHz crystal is connected between them.
Oscillator Circuit Output. Together with X1, 32.768kHz crystal is connected between them.
When 32.768kHz external input, X2 must be float.
Serial Clock Input. SCL is used to synchronize data movement on the I
Serial Data Input/Output. SDA is the input/output pin for the 2-wire serial interface. The
SDA pin is open-drain output and requires an external pull-up resistor.
Square Wave/Output Driver. Open drain. Four frequencies selectable: 32.768k, 8.192k,
4.096k, 1Hz when SQWE bit is set to 1.
Power. Primary power for PT7C4307.
+3V Battery Power.
Ground.
1
2
3
4
X1
X2
VBAT
GND
PT7C4307
2
SQW/OUT
VCC
SDA
SCL
Description
8
7
6
5
Real-time Clock Module (I
2
C serial interface.
Data Sheet
PT7C4307
2
C Bus)
Ver: 3