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PDF LR38620 Data sheet ( Hoja de datos )
| Número de pieza | LR38620 | |
| Descripción | Timing Generator IC | |
| Fabricantes | Sharp Electrionic | |
| Logotipo |  |
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LR38620
LR38620
DESCRIPTION
The LR38620 is a CMOS timing generator IC
which generates timing pulses for driving 4 200 k-
pixel CCD area sensor and processing pulses.
FEATURES
• Designed for 1/1.8-type 4 200 k-pixel CCD area
sensor
• Frequency of driving horizontal CCD : 24.54545
MHz
• In monitoring mode, it can be obtained 30 fields/s
• External shutter control function with serial data
input is possible
• +3.3 V and +4.5 V power supplies
• Package :
48-pin QFP (P-QFP048-0707) 0.5 mm pin-pitch
Timing Generator IC for
4 200 k-pixel CCD
PIN CONNECTIONS
48-PIN QFP
TOP VIEW
48 47 46 45 44 43 42 41 40 39 38 37
GND 1
OFDC 2
OFDX 3
V1X 4
VH1AX 5
VH1BX 6
V2X 7
V3X 8
VH3AX 9
VH3BX 10
V4X 11
GND 12
36 GND
35 TST1
34 ED2
33 ED1
32 ED0
31 HD
30 VD
29 DCLK
28 CLK
27 CKO
26 CKI
25 GND
13 14 15 16 17 18 19 20 21 22 23 24
www.DataSheet4U.com
(P-QFP048-0707)
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
1 page  
LR38620
PIN NO. SYMBOL IO SYMBOL POLARITY
PIN NAME
34 ED2
Shift register data
ICSD3 –
input
35 TST1
36 GND
37 VDD4
38 VDD4
ICD3
–
–
–
– Test pin 1
– Ground
– Power supply
– Power supply
39 ACLX
ICU4 – All clear input
40 FH1
41 GND
42 GND
43 FH2
O8M43
Horizontal transfer
pulse output 1
– – Ground
– – Ground
O8M43
Horizontal transfer
pulse output 2
44 FR
O8M43
Reset pulse output
45 TST2
ICD4 – Test pin 2
46 TST3
ICD4 – Test pin 3
47 VDD4
– – Power supply
48 VDD4
– – Power supply
IC3
ICD3
ICSD3
ICD4
ICU4
: Input pin (CMOS level)
: Input pin (CMOS level with pull-down resistor)
: Input pin (CMOS schmitt-trigger level with pull-
down resistor)
: Input pin (CMOS level with pull-down resistor)
: Input pin (CMOS level with pull-up resistor)
DESCRIPTION
An input pin for the data of the shift register, to control
the functions of LR38620. For details, see "Serial Data
Control".
A test pin. Set open or to L level in normal mode.
A grounding pin.
Supply of +4.5 V power.
Supply of +4.5 V power.
An input pin for resetting all internal circuit at power-on.
Connect to VDD3 through the diode and GND through
the capacitor.
A horizontal transfer pulse for the CCD.
Connect to ØH1 pin of the CCD.
A grounding pin.
A grounding pin.
A horizontal transfer pulse for the CCD.
Connect to ØH2 pin of the CCD.
A pulse to reset the charge of output circuit.
The output phase of FR is selected by serial data.
A test pin. Set open or to L level in normal mode.
A test pin. Set open or to L level in normal mode.
Supply of +4.5 V power.
Supply of +4.5 V power.
O3MR1
O6M32
O8M43
OSCI3
OSCO3
: Output pin (output high level is VDD3.)
: Output pin (output high level is VDD3.)
: Output pin (output high level is VDD4.)
: Input pin for oscillation
: Output pin for oscillation
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LR38620.PDF ] | |
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