LZ93B53 查看數據表（PDF） - Sharp Electronics
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LZ93B53 Datasheet PDF : 6 Pages
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LZ93B53
SYMBOL
1/0
WLARITY
PIN NAME
TST2
ICD
9
GND
—
Test tarminal 2
Ground
FUNCTION
This is an input pin for tests. Typically, this pin
should be open or at the Low level.
This is a grounding pin.
10
BCP I
o
This pin output pulse which is used to clamp opti-
cal black on each line of the sensor output, Typi-
cally, these are horizontal synchronization continuous
n
Optical block clamp
pulse
pulses. However, setilng CPMD (pin 4) to the Low
level allows the composite output which becomes
the Low level while there is no effective pixel within
the vertical blanking period.
11
CSYN
o
Composite synchronous
signal
This pin outputs EIA and CCIR standard composite
synchronous signals.
q EIA system : Compatible with RS-170
. CCIR system : Compatible with CCIR
12
HBLK
o
Horizontal blanking
pulse
This pin outputs a pulse to stop tie horizontal trans-
fer pulses which drive the horizontal register in the
area sensor.
13
CBLK
o
Composite blanking
pulse
This pin outputs pulses which are used for video
blanking in the encoder.
. EIA system : 11.01 ps, V20 H is cleared.
. CCIR system : 12.12/s, V25 H is cleared.
14
HD2
o
Horizontal drive pulse 2
This pin outputs pulses which are synchronous with
the start of each line and used as the H reference
of the timing LSI.
This pin outputs pulses which are synchronous with
15
HDI
o
L
Horizontal drive pulse 1 the start of each line and used as the H reference
of external equipment.
16
VD2
o
n
This pin outputs pulses which are obtained at the
Vertical drive pulse 2 start of each field and used as the V reference of
the timing LSI.
17
VDI
0
Vcc
—
n
Vertical drive pulse 1
This pin outputs pulses which are obtained at the
start of each field and used as the V reference of
external equipment.
—
Power supply
supply +5 V power
Ic : lnDut Din (CMOS level).
ICU : Input pin (CMOS level with pull-up resistor).
ICD : Input pin (CMOS level with pull-down resistor).
ICSU : Schmiti-trigger input pin (CMOS level with pull-uP
o
: Output pin
resistor)
253
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