HT1381-8SOPLF HOLTEK, HT1381-8SOPLF Datasheet - Page 2

• Manufacturer Part Number: HT1381-8SOPLF
• Description: IC, TIMEKEEPER, SERIAL, SMD, SOP8
• Manufacturer: HOLTEK

Specifications of HT1381-8SOPLF

• Clock Format: HH
• Clock Ic Type: Timekeeper
• Supply Voltage Range: 2V To 5.5V
• Digital Ic Case Style: SOP
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +70°C
• Date Format: DD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pad Assignment
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Description
Absolute Maximum Ratings
Supply Voltage..............................-0.3V to 5.5V
Input Voltage .................V
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-
Pad No. Pad Name I/O
1
2
3
4
5
6
7
mum Ratings² may cause substantial damage to the device. Functional operation of this de-
vice at other conditions beyond those listed in the specification is not implied and prolonged
exposure to extreme conditions may affect device reliability.
Chip size: 2010 ´ 1920 (mm)
X1
X2
VSS
REST
I/O
SCLK
VDD
I/O
¾
¾
O
SS
I
I
I
-0.3V to V
Connection
Internal
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
DD
2
+0.3V
32768Hz crystal input pad
Oscillator output pad
Negative power supply, ground
Reset pin with serial transmission
Data input/output pin with serial transmission
Serial clock pulse pin with serial transmission
Positive power supply
2
Pad Coordinates
Storage Temperature.................-50°C to 125°C
Operating Temperature ..................0°C to 70°C
Pad No.
1
2
3
4
5
6
7
Description
-851.40
-851.40
-844.40
845.90
848.40
845.90
844.40
X
HT1380/HT1381
September 18, 2000
-203.90
-618.30
775.00
494.60
332.60
572.60
-4.30
Unit: mm
Y