LR38616 Datasheet, PDF (3/9 Pages) Sharp Electrionic Components – Timing Generator IC for 2 140 k-pixel CCDs

LR38616
PIN DESCRIPTION
PIN NO. SYMBOL I/O POLARITY
PIN NAME
DESCRIPTION
1 OFDC
O3
Control pulse output
A pulse to control OFD voltage.
for OFD voltage
2 V1X
O3
Vertical transfer
pulse output 1
A vertical transfer pulse for CCD.
Connect to V1X pin of vertical driver IC.
3 VH1AX
O3
Readout pulse
output 1A
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to VH1AX pin of vertical driver IC.
4 VH1BX
O3
Readout pulse
output 1B
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to VH1BX pin of vertical driver IC.
5 V2X
O3
Vertical transfer
pulse output 2
A vertical transfer pulse for CCD.
Connect to V2X pin of vertical driver IC.
6 VDD3
–
– Power supply
Supply of +3.3 V power.
7 GND
–
– Ground
A grounding pin.
8 V3X
O3
Vertical transfer
pulse output 3
A vertical transfer pulse for CCD.
Connect to V3X pin of vertical driver IC.
9 VH3AX
O3
Readout pulse
output 3A
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to VH3AX pin of vertical driver IC.
10 VH3BX
O3
Readout pulse
output 3B
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to VH3BX pin of vertical driver IC.
11 V4X
O3
Vertical transfer
pulse output 4
A vertical transfer pulse for CCD.
Connect to V4X pin of vertical driver IC.
A pulse that sweeps the charge of the photo-diode for
12 OFDX
O3
OFD pulse output
the electronic shutter. Connect to OFD pin of CCD
through the vertical driver IC and DC offset circuit.
Held at H level at normal mode.
13 PBLK
O3
Pre-blanking pulse A pulse that corresponds to the cease period of the
output
horizontal transfer pulse.
A pulse to clamp the optical black signal.
14 BCPX
O3
Optical black clamp This pulse stays high during the absence of
pulse output
effective pixels within the vertical blanking or the period
of sweep-out signal.
15 CLPX
O3
A pulse to clamp the dummy outputs of CCD signal.
Clamp pulse output
This pulse stays high during the sweep-out period.
An output pin for AD converter.
16 ADCK O6MA3
AD clock output
The output phase of ADCK is selected by serial data
step by 90˚.
17 GND
–
– Ground
A grounding pin.
3