HT1380A HOLTEK [Holtek Semiconductor Inc], HT1380A Datasheet - Page 2

• Manufacturer Part Number: HT1380A
• Description: Serial Timekeeper Chip
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Pad Assignment
Pad Coordinates
Pad Description
Rev. 1.00
Pin Name
REST
SCLK
VSS
VDD
X1
X2
I/O
Pad No.
10
11
1
2
3
4
5
6
7
8
9
I/O
I/O
�
O
�
I
I
I
* The IC substrate should be connected to VSS in the PCB layout artwork.
V S S
V S S
N C
N C
N C
X 1
X 2
Internal Connection
5
6
7
1
2
3
4
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Chip size: 1136 × 900 (μm)
Negative power supply, ground
32768Hz crystal input pad
Oscillator output pad
Reset pin with serial transmission
Data Input/Output pin with serial transmission
Serial Clock pulse pin with serial transmission
Positive power supply
-456.985
-456.985
-456.985
-455.590
-466.000
-466.000
-466.000
465.966
465.966
465.966
465.966
2
X
( 0 , 0 )
2
Description
1 1
1 0
9
8
R E S T
V D D
S C L K
I / O
HT1380A/HT1381A
-154.955
-249.955
-344.955
-309.630
-214.630
-119.630
333.025
264.025
195.025
109.935
-24.630
Y
June 15, 2012
Unit: μm