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PDF KS7212 Data sheet ( Hoja de datos )
| Número de pieza | KS7212 | |
| Descripción | TIMING & SYNC. GENERATOR FOR B/W CCD | |
| Fabricantes | Samsung | |
| Logotipo |  |
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KS7212
TIMING & SYNC. GENERATOR FOR B/W CCD
GENERAL DESCRIPTION
The KS7212 is a CMOS integrated circuit designed for
making various timing pulses for B/W CCD camera.
FEATURES
- Compatible with both EIA and CCIR mode
(EIA : KC73125(U)-M, CCIR : KC73129(U)-M)
- Built in auto iris function (Electronic Exposure)
- Mirror mode timing generation
- Field interlace mode only
- Timing and sync one chip IC
- Oscillation frequency
EIA : 19.06992MHz, CCIR : 18.93750MHz
APPLICATION
- B/W CCD Camera
BLOCK DIAGRAM
48-QFP-0707
ORDERING INFORMATION
Device Package
Operating Temperature
KS7212 48-QFP-0707
-20~75°C
38 37 36 35
33 30 29 28 27 26 25 24
CL 43
X2 41
X1 40
TS2 45
TS1 46
TS0 47
PWR 48
1/2 GATE1
1/606
1/525
or
1/625
High/Low
Control
Shutter
Speed
ROM
Horizontal
ROM
Vertical
ROM
Shutter
Speed
Count
F/F
GATE2
F/F
Shutter
Speed
Control
1 23 4
7 8 9 10 11 12
22 SHP
21 SHD
18 CLP1
17 CLP2
16 CLP3
15 DFDO
14 CLEN
13 WIN
1 page  
KS7212
TIMING & SYNC. GENERATOR FOR B/W CCD
OPERATING PRINCIPLES & METHOD
POWER ON RESET
KS7212 has two reset methods. The one is power on reset and the other is normal reset.
When user wants to use power on reset , which generates automatical reset signal that is needed to initialize the KS7212
internal system when power is on, user should be connect 1000pF capacitor at PWR ( pin 48 ) termial.
Power on reset system has internal 100Kohm pull up resister. So , user can control reset signal timing when user changes
value of capacitor , which is connected to PWR terminal.
When user wants to use normal reset , user should be remove capacitor from PWR terminal , and supplies reset signal to
PWR terminal.
48 KS7212
1000pF
RESET
SIGNAL
48 KS7212
2.4 ~
2.6 V
Fig. 1 POWER ON RESET
840ns
Fig. 2 NORMAL RESET
When use u-Com system , reset signal can be supplied three times and times of 1 signal
should be larger than four times of CL clock.
5 Page 
KS7212
TIMING & SYNC. GENERATOR FOR B/W CCD
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet KS7212.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| KS7212 | TIMING & SYNC. GENERATOR FOR B/W CCD | Samsung |
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