lr38574 Sharp Microelectronics of the Americas, lr38574 Datasheet

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lr38574

Manufacturer Part Number
lr38574
Description
Timing Generator K-pixel Ccds
Manufacturer
Sharp Microelectronics of the Americas
Datasheet

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Part Number
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Quantity
Price
Part Number:
LR38574
Manufacturer:
SHARP
Quantity:
2 556
Part Number:
LR38574
Manufacturer:
SHARP
Quantity:
20 000
DESCRIPTION
The LR38574 is a CMOS timing generator IC
which generates timing pulses for driving 1 090 k/
1 310 k-pixel CCD area sensors and processing
pulses.
FEATURES
• Designed for 1/3-type 1 090 k/1 310 k-pixel CCD
• Frequency of driving horizontal CCD : 12.27 MHz
• Both double speed drive monitoring mode and
• Two still mode types :
• External shutter control function with serial data
• +3 V and +4.5 V power supplies
• Package :
LR38574
area sensors
still mode are possible
3 fields period and 4 fields period
input is possible
48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
1
PIN CONNECTIONS
48-PIN QFP
OFDC
OFDX
VH
VH
VH
VH
GND
V
V
V
DD3
V
V
1Ax
1Bx
3Ax
3Bx
1x
2x
3x
4x
10
11
12
1
2
3
4
5
6
7
8
9
48 47 46 45 44 43 42 41 40 39
13 14 15 16 17 18 19 20 21 22 23 24
1 090 k/1 310 k-pixel CCDs
Timing Generator IC for
(QFP048-P-0707)
38
37
TOP VIEW
LR38574
36
35
34
33
32
31
30
29
28
27
26
25
ID
ED
ED
ED
HD
GND
V
VD
DCLK
CLK
CKO
CKI
DD3
2
1
0

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lr38574 Summary of contents

Page 1

... LR38574 DESCRIPTION The LR38574 is a CMOS timing generator IC which generates timing pulses for driving 1 090 k/ 1 310 k-pixel CCD area sensors and processing pulses. FEATURES • Designed for 1/3-type 1 090 k/1 310 k-pixel CCD area sensors • Frequency of driving horizontal CCD : 12.27 MHz • ...

Page 2

... FR 46 DRMD 47 SHTR GATE DATA LATCH & SHUTTER CONTROL 1/2 1/8 H COUNTER RESET RESET DECODER LEVEL SHIFTER LR38574 OSC 24 VCON GND ACLX RESET 20 V DD3 1 FCDS 18 GATE 17 GND ADCK 16 15 CLPX ...

Page 3

... A pulse to clamp the dummy outputs of CCD signal. This pulse stays high during the sweep-out period. An output pin for AD converter. The output phase of ADCK is selected by serial data step by 90˚. A grounding pin. 3 LR38574 DESCRIPTION pin of vertical driver IC. pin of vertical driver IC. pin of vertical driver IC. pin of vertical driver IC. ...

Page 4

... Connect to HD pin of DSP IC. An input pin for the strobe pulse, to control the functions Strobe pulse input of LR38574. For details, see An input pin for the clock of the shift register, to control Shift register clock the functions of LR38574. For details, see input Control". 4 LR38574 DESCRIPTION ...

Page 5

... ICD4 : Input pin (CMOS level with pull-down resistor) PIN NAME An input pin for the data of the shift register, to control the functions of LR38574. For details, see Control". The pulse is used in color separator. The signal switches between high and low at every line. A test pin. Set open level in the normal mode. ...

Page 6

... As all internal data are set to low level by ACLX or 1 PWSA but operations all internal data except PWSA are set to low level by PWSA, ED desirable operations LR38574 ...

Page 7

... DD3 V –0 0.3 I4 DD4 V –0 0.3 O3 DD3 V –0 0.3 O4 DD4 T –20 to +70 OPR T –55 to +150 STG 7 LR38574 DATA = H AT ACLX = L – All L – All L – L Still L Power save – Positive L 2 lines/8 lines CCD = L CCD = H L – – Continuously L L – ...

Page 8

... OL4 –10 mA OH4 OH 6. Applied to output (O3). 7. Applied to output (OSCO3). (Output (OSCO3) measures on condition that input (OSCI3) level Applied to output (O6MA3). 9. Applied to output (O6MA43). 8 LR38574 = 4 –20 to +70 ˚C) OPR MIN. TYP. MAX. UNIT NOTE 0.2V V DD3 0.8V V DD3 0 ...

Page 9

PACKAGE 48 QFP (QFP048-P-0707) PACKAGES FOR CCD AND CMOS DEVICES 0.5 TYP. 0.2 ±0. (1.0) (1.0) ±0.2 ±0.2 7.0 0.65 1.45 ±0.2 9.0 ±0.3 9 (Unit : mm) 0.15 ±0.05 0.1 ±0.1 ...

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