HT1380/HT1381
Pad Assignment
Pad Coordinates
Unit: mm
X
1
1
Pad No.
X
Y
7
V
D
D
1
2
3
4
5
6
7
775.00
494.60
-203.90
-618.30
-4.30
-851.40
-851.40
-844.40
845.90
848.40
845.90
844.40
X
2
2
6
S
C
L
K
(
0
,
0
)
5
I
/
O
V
S
S
3
332.60
572.60
4
R
E
S
T
Chip size: 2010 ´ 1920 (mm)2
* The IC substrate should be connected to VSS in the PCB layout artwork.
Pad Description
Internal
Connection
Pad No. Pad Name I/O
Description
32768Hz crystal input pad
1
2
3
4
5
6
7
X1
I
O
¾
I
CMOS
X2
CMOS
Oscillator output pad
VSS
REST
I/O
CMOS
Negative power supply, ground
Reset pin with serial transmission
CMOS
I/O
I
CMOS
Data input/output pin with serial transmission
Serial clock pulse pin with serial transmission
Positive power supply
SCLK
VDD
CMOS
CMOS
¾
Absolute Maximum Ratings
Supply Voltage..............................-0.3V to 5.5V
Input Voltage.................VSS-0.3V to VDD+0.3V
Storage Temperature.................-50°C to 125°C
Operating Temperature ..................0°C to 70°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-
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.
2
September 18, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
