전자부품 데이터시트 검색엔진
  Korean  ▼
ALLDATASHEET.CO.KR

X  

Preview PDF HTML

LS7220 데이터시트(PDF) 3 Page - LSI Computer Systems

부품명 LS7220
상세설명  DIGITAL LOCK FOR AUTOMOTIVE IGNITIONS
PDF  4 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
제조업체  LSI [LSI Computer Systems]
홈페이지  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS7220 데이터시트(HTML) 3 Page - LSI Computer Systems

  LS7220 Datasheet HTML 1Page - LSI Computer Systems LS7220 Datasheet HTML 2Page - LSI Computer Systems LS7220 Datasheet HTML 3Page - LSI Computer Systems LS7220 Datasheet HTML 4Page - LSI Computer Systems  
Zoom Inzoom in Zoom Outzoom out
 3 / 4 page
background image
SENSE Input
I1
I2
LOCK
LOCK STATUS
SAVE Input
SAVE STATUS
LOCK Input
FIGURE 3.
LS7220 TIMING DIAGRAM
TPW
T PW
TPW
TPW
TCE
TSE
TSE
TSE
TSE
TSD
T SD
I3
I4
6
5
4
3
2
13
12
UNSELECTED
KEYS (RESET)
SEQUENTIAL
DETECTOR
INCORRECT
SEQUENCE
CORRECT
SEQUENCE
SEQUENTIAL
MEMORY
POWER
ON
RESET
SAVE
MEMORY
LOGIC "1"
LEVEL
RESTORE
LOCK
LOCK STATUS
8
10
SAVE STATUS
CONVENIENCE DELAY
-
+
V SS
C
SELECTED KEYS (IN SEQUENCE)
I 1
I 2
I3
I4
1
14
9
V SS
V DD
(+V)
(-V)
V SS
V SS
V SS
V SS
V DD
11
7
R
S
Q
R
S
Q
Q
SAVE
INPUT
LOCK
INPUT
Capacitor
Discharge
Current
FIGURE 4. LS7220 BLOCK DIAGRAM
SENSE
INPUT
(ENABLE)
R
External Capacitor
FIGURE 2. CONVENIENCE DELAY TIME vs POWER SUPPLY
(with External Capacitor C, Pin 12)
Typical Curve for C = 5µF
TA = 25
°C
(V SS-V DD), Volts
5
10
15
18
8
4
6
2
14
0
12
10
7220-012703-3



Html Pages

1 2 3 4


데이터시트 다운로드

Go To PDF Page


링크 URL



ALLDATASHEET 가 귀하에 도움이 되셨나요?  [ DONATE ] 

Alldatasheet는?   |   광고문의   |   운영자에게 연락하기   |   개인정보취급방침   |   링크 투 데이터시트    |   링크교환   |   제조사별 검색
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com