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부품번호 | JT9673-AS 기능 |
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기능 | LCD Display Stopwatch LSI | ||
제조업체 | Toshiba Semiconductor | ||
로고 | |||
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TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
JT9673-AS
LCD Display Stopwatch LSI
JT9673-AS
This product is a single-chip CMOS LSI for stopwatches capable of directly driving a 7-digit LCD with four signs.
Applications
· Stopwatches
Features
· 32.768 kHz crystal oscillator
· Displays hour, minute, second, and hundredths of seconds
· Four-sign, 7-digit display, 1/3-duty LCD drive
· 5 display modes (RESET, RUN, STOP, LAP, LAP STOP) and optional display modes (NORMAL LAP,
SECTION LAP) are selectable by bonding option.
· Counting by 9 hours, 59 minutes, 59 seconds, 99 hundredths of second (units: 1/100 second)
· Power supply: 1.55 V-single power supply
· Built-in voltage doubler circuit
· Low current consumption (Isup = 3.0 µA max)
Block Diagram
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Function Specifications
1. LCD Segment Pattern
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SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
COM1
Lap
Stop
7d
7p
¾
6d
6p
¾
5d
5p
Section 2
COM2
Section 1
7e
7g
7c
6e
6g
6c
5e
5g
5c
4e
COM3
Standard 1
SEG12
7f SEG13
7a SEG14
7b SEG15
6f SEG16
6a SEG17
6b SEG18
5f SEG19
Da5taaSheet4U.cSoEmG20
5b SEG21
4f SEG22
2. LCD Drive Waveform
COM1
4d
4p
¾
3d
3p
Standard 2
2d
2p
¾
1d
1p
COM2
4g
4c
3e
3g
3c
2e
2g
2c
1e
1g
1c
COM3
4a
4b
3f
3a
3b
2f
2a
2b
1f
1a
1b
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(4) F type
STANDARD LAP mode
SECTION LAP mode
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· S3 toggles between STANDARD LAP mode and SECTION LAP mode.
· In SECTION LAP mode, when switched from RUN to LAP, the counter is immediately reset to ‘0’.
· When switched from SECTION LAP mode to NORMAL LAP mode by pressing S3, the counter is
not reset to ‘0’.
9. Display Column Table
Display
Column
Digit Segment
Mode
7 6543
2
Reset
□ □ □ □ □ (¾)
Dot Segment
Sign
1
7P
6P
5P
4P
3P
2P
1P
Lap
Stop
Stan-
dard
Sec-
tion
□
● (1)
(□)
1
(1) 1
10 1 10 1
Run Hour min- min- sec- sec-
utes ute onds ond
● (1)
1
(1) 1
Stop
10 1 10 1
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Hour min- min- sec- sec- 1/10 1/100 ● (1)
utes ute onds ond second second
1
● (1) 1
10 1 10 1
(1/10
Lap Hour min- min- sec- sec- (¾) second) ● (1)
utes ute onds ond
1
● (1) 1
Lap Stop
10 1 10 1
Hour min- min- sec- sec-
utes ute onds ond
● (1)
1
● ● (1) 1
Note 3: When 1/10 s type is selected, only the first and second column displays are different. The display is as
in the parentheses ( ).
Note 4: ‘●’ indicates ‘lit’. (7P always lit)
Note 5: ‘●’ indicates flashing at 1 Hz.
Note 6: In the F type only, ‘(1)’ flashes at 1 Hz when STANDARD LAP mode is selected.
Note 7: In the F type only, ‘ 1 ’ flashes at 1 Hz when SECTION LAP mode is selected.
Note 8: 1P, 2P, 3P, and 5P do not light.
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7페이지 | |||
구 성 | 총 12 페이지수 | ||
다운로드 | [ JT9673-AS.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
JT9673-AS | LCD Display Stopwatch LSI | Toshiba Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |