M52347FP Renesas Electronics Corporation., M52347FP Datasheet

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M52347FP

Manufacturer Part Number
M52347FP
Description
Manufacturer
Renesas Electronics Corporation.
Datasheet

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M52347SP/FP
Sync Signal Processor
Description
The M52347 automatically selects three types of synchronous signals containing separate sync (positive and negative
polarities of 0.5 to 2.5 V
(sync negative polarity), and performs waveform shaping. The IC is optimum to synchronous signal processing for
multi-scan type display monitor.
Features
• Low power consumption with supply voltage of 5 V
• Capable of obtaining output information on whether to input synchronous signal, and on polarity
• Output of clamp pulse
• Equipped with V TIME GATE SW that enables selecting whether or not VD portion pulse is output from pin 14/15.
• Equipped with CLAMP SW that enables switching the clamp pulse output position.
Application
Display monitor
Recommended Operating Condition
Supply voltage range:
Rated supply voltage:
Block Diagram
Rev.2.00 Sep 14, 2006 page 1 of 16
H.STATE V.STATE
CLAMP
TIMING
20
1
LOGIC
V.POL.
19
2
LOGIC
P-P
), composite sync (positive and negative polarities of 0.5 to 2.5 V
V
V
CC
CC
CLAMP
H.POL.
CLAMP
= 4.5 to 5.5 V
= 5 V
SW
18
GEN
3
CLAMP +
GREEN
SYNC
SEP
OUT
17
IN
4
EDGE
SW
GND
V
16
CC
5
COMP/H
SHAPE
HD −
OUT
15
IN
H
6
V.TIME
GATE
COMP/H
DET
HD +
DET
OUT
14
H
7
SHAPE
OUT
V IN
VD +
13
V
8
V DET
V S/S
P-P
OUT
DET
12
9
V
) and sync-on-video
REJ03F0190-0200
V TIME GATE
V.SYNC
V S/S
SEP
SW
IN
11
10
Sep 14, 2006
Rev.2.00

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M52347FP Summary of contents

Page 1

M52347SP/FP Sync Signal Processor Description The M52347 automatically selects three types of synchronous signals containing separate sync (positive and negative polarities of 0 composite sync (positive and negative polarities of 0.5 to 2.5 V P-P (sync ...

Page 2

M52347SP/FP Pin Arrangement COMP/H DET V TIME GATE SW Rev.2.00 Sep 14, 2006 page M52347SP/FP H.STATE V.STATE 3 18 CLAMP SW GREEN GND COMP ...

Page 3

M52347SP/FP Absolute Maximum Ratings Item Supply voltage Power dissipation Electrostatic discharge Operating temperature Storage temperature Electrical Characteristics Limits Min. Typ. Max. Item Symbol Circuit current Pin 1 output 1 OH 4.0 5.0 5.0 Hi level ...

Page 4

M52347SP/FP Electrical Characteristics (cont.) Limits Item Symbol Min. Typ. Max. Pin 15 output 4.0 5.0 5 level 0 0.25 0.5 Pin 15 output 15 OL Low level Pin 17 output 17 OH 4.0 5.0 5.0 Hi level ...

Page 5

M52347SP/FP Electrical Characteristics (cont.) Limits Item Symbol Min. Typ. Max -delay time HD + -DA  120 350 ( -delay time HD + -DB  80 350 ( -delay time HD + -DC  ...

Page 6

M52347SP/FP Test Circuit V11 100 TP13 TP14 TP15 R16 0.01 µ 47 µ TP17 TP18 TP19 4.3 k 220 p Rev.2.00 Sep 14, 2006 page TIME V S/S IN ...

Page 7

M52347SP/FP Pin Description DC Voltage (V) Pin No. Name 1 H.STATE V.STATE CLAMP 2.2 V when SW open 4 GREEN 2 when ...

Page 8

M52347SP/FP Pin Description (cont.) Pin DC Voltage No. (V) Name 10 V.TIME 3.2 V GATE SW when open  S/S IN  S/S OUT +  OUT +  OUT −  ...

Page 9

M52347SP/FP Table 1 Decorder Logic Output Pin 6 Input Pin 8 Input COMP/H POSI. NON POSI. NEG. NEG. NON POSI. NEG. NON. NON POSI. NEG. Table 2 Clamp Pulse Position Input Signal Pin 4 Ο Ο Χ Table 3 Output ...

Page 10

M52347SP/FP Application Method 1. Input Block 1) GREEN (SYNC ON VIDEO) IN (Pin 4) Input with sync negative polarity. Comparison of pin 4 input signal and the reference voltage of the inside of the IC performs the synchronous separation. When ...

Page 11

M52347SP/FP This additional circuit (limiter) limits the amplitude to 0.6 V Rev.2.00 Sep 14, 2006 page 0.5 1 1.5 Input Amplitude (V Figure 3 18 kΩ Input signal 100 Ω ...

Page 12

M52347SP/FP 3) Polarity detection and non-input detection (pins 7 and 8) External capacitance is required as a filter pin to detect polarity and non-input. As the value is larger, the ripple is smaller and less malfunction occurs. However, the response ...

Page 13

M52347SP/FP 3. Sampling Pulse from VD Portion V TIME GATE SW (Pin 10) Whether to output the pulse of VD portion from pins 14 and 15 can be selected. When pin 10 is "H" or OPEN, pulse of the VD ...

Page 14

M52347SP/FP Typical Characteristics Rev.2.00 Sep 14, 2006 page 0.8 0.6 0.4 0 External Resistance (kΩ) Thermal Derating (Maximum Rating) 1400 1237.6 1200 1000 SP 827.8 800 643.6 FP 600 430.5 ...

Page 15

M52347SP/FP Application Example ( kHz (POSI NON NEG) (POSI NON NEG) 220 p 4.3 k CLAMP TIMING V.POL LOGIC LOGIC 1 2 H.STATE V.STATE (POSI NON NEG) (POSI NON NEG Units ...

Page 16

M52347SP/FP Package Dimensions JEITA Package Code RENESAS Code P-SDIP20-6.3x19-1.78 PRDP0020BA SEATING PLANE JEITA Package Code RENESAS Code P-SOP20-5.3x12.6-1.27 PRSP0020DA Index mark * Rev.2.00 Sep 14, 2006 page Previous Code ...

Page 17

Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead ...

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