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1
LZ9FD34
DESCRIPTION
The LZ9FD34 is a CMOS single-chip driver IC which
generates timing pulses for driving 270 k/320 k/
410 k/470 k-pixel B/W CCD area sensors, synchronous pulses for TV signals and processing for
video signals.
FEATURES
• Designed for B/W CCD area sensors with 270 k/
320 k/410 k/470 k-pixel
• Switchable between EIA and CCIR modes
• Electronic shutter and EE control are possible
• Maximum shutter speed is 1/100 000 s
• Flicker-less function
• Non-interlace mode is possible
• External synchronization is possible
• Single +5 V power supply
• Field accumulation mode and frame accumulation mode are possible
• Package :
48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
PIN CONNECTIONS
LZ9FD34
Single-chip Driver IC for 270 k/320 k/
410 k/470 k-pixel B/W CCDs
1
48 47 46 45 44 43 42 41 40 39 37
13 14 15 16 17 18 19 20 21 22 23 24
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
TST
1
TST2
VRI
TVMD
CSYN
V
DD
GND
CBLK
HD
VD
HBLK
TST
3
OFDX
VH
3X
VH1X
V4X
V3X
GND
V
DD
V2X
V1X
TST7
CCD
TST
6
BCP
TST
4
TST5
GND
ACLX
V
DD
FLMD
EEMD
EEUD
EENR
FCDS
FS
NINT
OSCO
OSCI
V
DD
FH1
GND
FH2VDDFRWIND
EEST
ITCH
38
48-PIN QFP
TOP VIEW
(QFP048-P-0707)
LZ9FD34
2
BLOCK DIAGRAM
OFDX
VH3XVH1X
V4X
V3X
GND
VDDV2X
V1X
TST7
CCD
TST
6
36 35 34 33 32 31 30 29 28 27 26 25
FS
FCDS
EENR
EEUD
EEMD
FLMD
V
DD
ACLX
GND
TST
5
TST4
BCP
TST1
TST2
VRI
TVMD
CSYN
V
DD
GND
CBLK
HD
VD
HBLK
TST
3
ITCH
EEST
WIND
FR
V
DD
FH2
GND
FH
1
VDD
OSCI
OSCO
NINT
MIX
MIX 1/2
1/2
1/4 H COUNTER 2
H COUNTER 1 V COUNTER
MODE SELECT
MODE SELECT
DECODER
DECODERRESET
OSC
SHUTTER
SPEED
CONTROL
SHUTTER
UP/DOWN
CONTROL
13
14
15
16
17
18
19
20
21
22
23
24
123456789101112
48
47
46
45
44
43
42
41
40
39
38
37
LZ9FD34
3
PIN DESCRIPTION
An input pin to control electronic exposure mode, flickerless mode and WIND (pin 39) pulse output.
WIND1 : Vertical pulse
WIND2 : Composite pulse (vertical and horizontal)
PIN NO.
SYMBOL I/O
POLARITY
PIN NAME DESCRIPTION
1 TST
1 ICD – Test pin 1 A test pin. Set open or to L level in the normal mode.
2 TST
2 ICD – Test pin 2 A test pin. Set open or to L level in the normal mode.
3 VRI ICSU – Vertical reset input
An input pin for resetting internal vertical counter.
The input pulse is VSYNC. (negative polarity)
4 TVMD ICU –
TV mode selection
input
An input pin to select TV standards.
L level : EIA mode
H level or open : CCIR mode
5 CSYN O
Composite
synchronizing pulse
output
An output pin of composite synchronous signal pulse.
6V
DD – – Power supply Supply of +5 V power.
7 GND – – Ground A grounding pin.
8 CBLK O
Composite blanking
pulse output
An output pin of composite blanking pulse.
9HD O
Horizontal drive
pulse output
The pulse occurs at the start of every line.
10 VD O
Vertical drive pulse
output
The pulse occurs at the start of every field.
11 HBLK O
Horizontal blanking
pulse output
A pulse that corresponds to the cease period of the
horizontal transfer pulse.
12 TST
3 ICD Test pin 3 A test pin. Set open or to L level in the normal mode.–
13 BCP O
Optical black clamp
pulse output
A pulse to clamp the optical black signal. This pulse
stays low during the absence of effective pixels within
the vertical blanking.
14 TST
4 ICD Test pin 4 A test pin. Set open or to L level in the normal mode.–
15 TST
5 ICD Test pin 5 A test pin. Set open or to L level in the normal mode.–
16 GND – Ground A grounding pin.–
17 ACLX ICU All clear input
An input pin for resetting all internal circuits at power on.
Connect V
DD through the diode and through the
capacitor.
–
18 V
DD – Power supply Supply of +5 V power.–
FLMD
Electronic Shutter mode WIND
L
EIA : 1/60 s, CCIR : 1/50 s
WIND1
H
EIA : 1/100 s, CCIR : 1/120 s
WIND1
L
Electronic exposure mode
WIND1
H
Electronic exposure mode
WIND2
1920FLMD ICU
Electronic exposure
and WIND pulse
control input 1
–
EEMD ICU
Electronic exposure
and WIND pulse
control input 2
–
EEMD
L
L
H
H
4
LZ9FD34
PIN NO.
SYMBOL I/O
POLARITY
PIN NAME DESCRIPTION
23 FCDS O4MA2 CDS pulse output 1 A pulse to clamp the feed-through level from CCD.
24 FS O4MA2 CDS pulse output 2 A pulse to sample-hold the signal from CCD.
25 TST
6 ICD – Test pin 6 A test pin. Set open or to L level in the normal mode.
26 CCD ICU – CCD selection input
An input pin to select sensor type.
H level or open : 410 k, 470 k pixel CCD
L level : 270 k, 320 k pixel CCD
28 V
1X O
Vertical transfer
pulse output 1
A vertical transfer pulse for CCD.
Connect to V
1AX pin of vertical driver IC.
29 V
2X O
Vertical transfer
pulse output 2
A vertical transfer pulse for CCD.
Connect to V
2AX pin of vertical driver IC.
30 V
DD – – Power supply Supply of +5 V power.
31 GND – – Ground A grounding pin.
32 V
3X O
Vertical transfer
pulse output 3
A vertical transfer pulse for CCD.
Connect to V
3AX pin of vertical driver IC.
33 V
4X O
Vertical transfer
pulse output 4
A vertical transfer pulse for CCD.
Connect to V
4AX pin of vertical driver IC.
34 VH
1X O
Readout pulse
output
A pulse that transfers the charge of the photo-diode to
the vertical shift register. Connect to VH1AX pin or VH1BX
pin of vertical driver IC.
35 VH
3X O
Readout pulse
output
A pulse that transfers the charge of the photo-diode to
the vertical shift register. Connect to VH3AX pin or VH3BX
pin of the vertical driver IC.
36 OFDX O OFD pulse output
A pulse that sweeps the charge of the photo-diode for
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.
37 ITCH ICU –
Accumulation mode
selection input
An input pin to select accumulation mode.
H level or open : Field accumulation mode
L level : Frame accumulation mode
An input pin to control electronic exposure using EEUD
(pin 21) and EENR (pin 22).
H level or open : Electronic exposure is operated.
L level : Electronic exposure is stopped.
Electronic exposure
control input 3
–ICUEEST38
A test pin. Set open or to L level in the normal mode.Test pin 7–ICDTST
727
21 EEUD IC –
Electronic exposure
control input 1
22 EENR IC –
Electronic exposure
control input 2
An input pin to control electronic exposure.
EEUD
EENR
Shutter Speed
H
L
up
H
H
control stopped
L
H
down
LZ9FD34
5
PIN NO.
SYMBOL I/O
POLARITY
PIN NAME DESCRIPTION
39 WIND
ON
N-ch
Open
Drain
()
Window pulse output
An output pin for window pulse.
WIND1 : When connected to EEST (pin 38), the
operation of electronic exposure can be
stopped at the upper side of monitor.
WIND2 : A pulse that picks out the center of CCD output.
At this time, set H level or open at EEST (pin
38). As the output circuit of WIND is N-ch open
drain, connect to V
DD with R (≥ 47 k$).
40 FR O4MA3 Reset pulse output
A pulse to reset the charge of output circuit.
Connect to Ø
R pin of CCD through the DC offset circuit.
41 VDD – – Power supply Supply of +5 V power.
42 FH
2 O4MA3
Horizontal transfer
pulse output 2
A pulse to drive horizontal CCD shift register.
Connect to Ø
H2 pin of CCD.
43 GND – – Ground A grounding pin.
44 FH
1 O4MA3
Horizontal transfer
pulse output 1
A pulse to drive horizontal CCD shift register.
Connect to Ø
H1 pin of CCD.
45 V
DD – – Power supply Supply of +5 V power.
46 OSCI OSCI – Clock input
An input pin for reference clock oscillation.
Connect to OSCO (pin 47) with R.
The frequencies are as follows :
fH = Horizontal frequency
47 OSCO OSC3M – Clock output
An output pin for reference clock oscillation.
The output is the inverse of OSCI (pin 46).
EEMD
FLMD
WIND
L
L
WIND1 (vertical pulse)L
H
H
L
H
H
WIND2 (composite pulse)
TVMD
CCD
Frequency
L
L
19.0699 MHz (1 212 fH)
L
H
H
L
H
H
28.3750 MHz (1 816 fH)
28.6364 MHz (1 820 fH)
19.3125 MHz (1 236 fH)
LZ9FD34
6
PIN NO.
SYMBOL I/O
POLARITY
PIN NAME DESCRIPTION
48 NINT ICD –
Non-interlace
selection input
An input pin to select non-interlace mode.
L level or open : Interlace mode
H level : Non-interlace mode
Period of field (at non-interlace mode)
IC : Input pin (CMOS level)
ICU : Input pin (CMOS level with pull-up resistor)
ICSU : Input pin (CMOS schmitt-trigger level with pull-up
resistor)
ICD : Input pin (CMOS level with pull-down resistor)
O : Output pin
O4MA2 : Output pin
O4MA3 : Output pin
ON : Output pin (N-ch open drain)
OSCI : Input pin for oscillation
OSC3M : Output pin for oscillation
TVMD
Field
Number of Line
L
ODD
262H
H
1st
312H
SUPPLEMENTARY EXPLANATION
Shutter speed changes at electronic exposure control mode.
EIA CCIR
No. Charge Time Shutter Speed No. Charge time Shutter Speed
0 262H or 263H ∏ 1/ 60 s 0 312H or 313H ∏ 1/ 50 s
1 252H + Ω ∏ 1/ 62 s 1 302H + ß ∏ 1/ 52 s
• (by 10H step) • (by 10H step)
19 72H + Ω ∏ 1/ 220 s 24 72H + ß ∏ 1/ 220 s
• (by 4H step) • (by 4H step)
30 28H + Ω ∏ 1/ 555 s 35 28H + ß ∏ 1/ 550 s
• (by 2H step) • (by 2H step)
37 14H + Ω ∏ 1/ 1 100 s 42 14H + ß ∏ 1/ 1 090 s
• (by 1H step) • (by 1H step)
44 7H + Ω ∏ 1/ 2 140 s 49 7H + ß ∏ 1/ 2 125 s
• (by 0.5H step) • (by 0.5H step)
50 4H + Ω ∏ 1/ 3 610 s 55 4H + ß ∏ 1/ 3 590 s
• (by 0.25H step) • (by 0.25H step)
62 1H + Ω ∏ 1/ 11 570 s 67 1H + ß ∏ 1/ 11 550 s
• (by 0.125H step) • (by 0.125H step)
69 0.125H + Ω ∏ 1/ 32 450 s 74 0.125H + ß ∏ 1/ 32 690 s
70 0.280H ∏ 1/ 56 090 s 75 0.275H ∏ 1/ 56 800 s
Ω = 0.360H ß = 0.353H
71 0.155H ∏ 1/101 430 s 76 0.152H ∏ 1/102 720 s
7
LZ9FD34
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
DC Characteristics
(VDD = 5.0±0.5 V, TOPR = –30 to +70 ˚C)
NOTES :
1. Applied to inputs (IC, ICD, ICU, OSCI).
2. Applied to input (ICSU).
3. Applied to inputs (IC, OSCI).
4. Applied to inputs (ICU, ICSU).
5. Applied to input (ICD).
6. Applied to output (OSC3M). (Output (OSC3M) measures
on condition that input (OSCI) level is 0 V or V
DD.)
7. Applied to output (O).
8. Applied to output (O4MA2).
9. Applied to output (O4MA3).
10. Applied to output (ON).
PARAMETER SYMBOL RATING UNIT
Supply voltage V
DD –0.3 to +6.0 V
Input voltage V
I –0.3 to VDD + 0.3 V
Output voltage VO –0.3 to VDD + 0.3 V
Operating temperature T
OPR –30 to +70 ˚C
Storage temperature TSTG –55 to +150 ˚C
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT
NOTE
Input "Low" voltage VIL 1.5 V
Input "High" voltage VIH 3.5 V
Input "Low" voltage V
T+ 3.7 V
V
T– 1.0 V
Hysteresis voltage VT+ – VT– 0.2 V
Input "Low" current |I
IL1|VI = 0 V 2.0 µA
|IIH1|VI = VDD 2.0 µA
Input "Low" current |I
IL2|VI = 0 V 8.0 75 µA
|I
IH2|VI = VDD 2.0 µA
Output "High" voltage V
OH1 IOH = –3 mA 4.0 V
Output "Low" voltage V
OL1 IOL = 3 mA 0.4 V
Output "High" voltage V
OH2 IOH = –2 mA 4.0 V
Output "Low" voltage VOL2 IOL = 4 mA 0.4 V
Output "High" voltage V
OH3 IOH = –6 mA 4.0 V
Output "Low" voltage VOL3 IOL = 8 mA 0.4 V
Output "High" voltage V
OH4 IOH = –9 mA 4.0 V
Output "Low" voltage VOL4 IOL = 12 mA 0.4 V
Output "Low" voltage V
OL5 IOL = 4 mA 0.4 V
Output leakage current |I
OZ| High-Z 1.0 µA
1
2
3
4
6
7
8
9
10
Input "High" voltage
Input "High" current
Input "High" current
Input "High" current µA758.0V
I = VDD|IIH3|
Input "Low" current
5
µA2.0V
I = 0 V|IIL3|
PACKAGES FOR CCD AND CMOS DEVICES
8
36
25
37
48
121
0.15
±0.05
0.1
±0.1
9.0
±0.3
7.0
±0.2
7.0
±0.2
(1.0)(1.0)
(1.0)
(1.0)
0.5
TYP.
0.2
±0.08
9.0
±0.3
0.65
±0.2
1.45
±0.2
24
13
Package
base plane
8.0
±0.2
0.08
0.1
M
48 QFP (QFP048-P-0707)
PACKAGE (Unit : mm)
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