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SB3298 Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – SB3298 | |||
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SB3298
P. 1
å ï¤ è² æ§ å¶ IC
â åè½ï¥¯æ
1. å·¥ä½é»å£ :
2. è² é³ :
3. BZ1, BZ2 :
:
:
4. KEY
:
5. Rosc
:
6. LAMP :
7. LED
:
1.35V â 5.00VDC
åï¤ Bi Bi ï¦çºè²
åï¤è² 輸åºç«¯
a. BZ1 -- duty = 1/3
b. BZ2 -- duty = 1/6
LEVEL HOLD æ¹å¼, æ¥ VDD
å¤æ¥é»é»èª¿æ´éï¨
æ£è¼¸åº-æ¥ NPN 8050 é»æ¶é«, é¨ Bi Bi è²ï¥·æ»
è² è¼¸åº-æ¥ NPN 8050 é»æ¶é«, é¨ Bi Bi è²ï¥·æ»
â åï¤è²æ ç¨ ç· ï¤·
3VDC
{
LED
{
1 BZ1
VDD 8
2 LAMP VSS 7
3 LED OSCO 6
4 KEY
OSCI 5
Rosc
SB3298A 390K
{{{
BZ
8050
8050
IC PIN ASSIGNMENT
LED LAMP
BZ2
KEY
OSCI
SB3298
BZ1
VDD
OSCO VSS TEST
1210 X 1280μM
IC åºåº§æ¥ VDD
8 PIN DIP
BZ1 1
LAMP 2
LED 3
KEY 4
8 VDD
7 VSS
6 OSCO
5 OSCI
TOP MARK: 3298A
BZ1 1
LAMP 2
--- 3
KEY 4
8 VDD
7 VSS
6 OSCO
5 OSCI
TOP MARK: 3298B
BZ1 1
--- 2
--- 3
KEY 4
8 VDD
7 VSS
6 OSCO
5 OSCI
TOP MARK: 3298C
1
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