HT1382_1105 HOLTEK [Holtek Semiconductor Inc], HT1382_1105 Datasheet - Page 3

• Manufacturer Part Number: HT1382_1105
• Description: I2C/3-Wire Real Time Clock
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

HT1382
I
Pad Assignment
Pad Coordinates
Pad Description
Rev. 1.40
2
C/3-Wire Real Time Clock
Pad No.
10
Pad No.
1
2
3
4
5
6
7
8
9
1
2
3
4
5
Pad Name
SCL/SCLK
IRQ/FOUT
SDA/I/O
VBAT
VDD
VSS
IFS
CE
X1
X2
* The IC substrate should be connected to VSS in the PCB layout artwork.
520.005
520.005
520.005
520.005
520.005
X
I/O
I/O
I/O
O
O
I
I
I
32768Hz crystal input pin
32768Hz crystal output pin
Battery power supply
Negative power supply, ground
Interface selection pin.
I
when IFS is connected to VSS.
Chip Enable for 3-wire interface
Not used for I
Serial Data Input/Output for I
Serial Clock Input for I
Interrupt/Frequency Output, this pin is open drain output
Positive power supply
2
C interface is selected when IFS is unconnected, 3-wire interface is selected
Chip size: 1245
161.460
256.460
360.130
455.130
550.130
Y
2
C interface
3
2
1520 ( m)
C and 3-wire interfaces
Pad No.
10
6
7
8
9
2
C and 3-wire interfaces
Description
2
521.000
521.000
521.000
516.450
520.005
X
May 27, 2011
646.610
625.000
530.000
425.300
288.400
Y
Unit: m