HT1330 Holtek Semiconductor Inc, HT1330 Datasheet - Page 2

• Manufacturer Part Number: HT1330
• Description: 3 1/2 Digit Timer + Watch
• Manufacturer: Holtek Semiconductor Inc

Pad Assignment
* The IC substrate should be connected to VDD in the PCB layout artwork.
Operational Sequence
Note: S1 for Hour setting
S2 for Minute setting
S3 to Start/Stop the timer
S3>5 seconds into the real time setting mode
S1/S2 to reset the timer to the initial state (0:00)
S1/S2/S3 to return to the real time mode
Chip size: 119 ´ 112 (mil)
2
2
Pad Coordinates
Pad
No.
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
-62.7 58.7
-62.7 48.7
-62.7 30.1
-62.7 17.2
-62.7
-62.7 -18.7
-62.7 -58.7
-52.7 -58.7
-42.7 -58.7
-32.7 -58.7
-22.7 -58.7
-12.7 -58.7
-2.7 -58.7
17.3 -58.7
7.3
X
-58.7
7.3
Y
Pad
No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
August 10, 2000
-38.6 58.7
-48.6 58.7
27.3 -58.7
37.3 -58.7
47.3 -58.7
58.3 -58.7
62.7 -38.8
62.7 -23.7
62.7
62.7
43.8
33.8
-4.3
5.8
X
HT1330
Unit: mil
48.6
58.7
58.7
58.7
58.7
58.7
Y