LC7450N, LC7455, LC7455A Selling Leads, Datasheet
MFG:SANYO Package Cooled:DIP D/C:03+
LC7450N, LC7455, LC7455A Datasheet download
Part Number: LC7450N
MFG: SANYO
Package Cooled: DIP
D/C: 03+
LC7450N, LC7455, LC7455A
- Table of contents:
Info of LC7450N
Info of LC7455
Info of LC7455A
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About LC7.0
PDF/DataSheet Download
Datasheet: LC7.0
File Size: 600987 KB
Manufacturer: MICROSEMI [Microsemi Corporation]
Download : Click here to Download
About LC7455
PDF/DataSheet Download
Datasheet: LC7455
File Size: 238380 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
About LC7455A
PDF/DataSheet Download
Datasheet: LC7455A
File Size: 238380 KB
Manufacturer: SANYO [Sanyo Semicon Device]
Download : Click here to Download
LC7455A General Description
The LC7455A/M extracts the closed caption signal superimposed on a video signal during the vertical return period and, under the control of a clock signal provided by the decoder IC, transfers that signal to the IC (usually a microcontroller) that decodes the closed caption data. The LC7455A/M supports four operating modes. Modes 1 and 2 can be used for XDS. In these modes, the LC7455A/M,in combination with the decoder IC (microcontroller),extracts the caption signal superimposed on field 2 and uses it for NTSC VCR functions such as the automatic time and date setting function. In modes 3 and 4, the LC7455A/M, in combination with the decoder IC (microcontroller), extracts the caption signal superimposed on fields 1 and 2 and uses it for NTSC TV applications (mode 3) or PAL TV applications (mode 4).
LC7455A Maximum Ratings
|
Parameter |
Symbol |
Conditions |
Ratings |
Unit |
| Maximum supply voltage |
VDD max |
VDD1, VDD2: VDD1 = VDD2 |
0.3 to +7.0 |
V |
| Input voltage |
VI |
HS/CFIN, CVIN, SCKIN, CE |
0.3 to VDD +0.3 |
V |
| Output voltage |
VO |
LN21, CPDT, O/E/CFOUT, HS/CFIN |
0.3 to VDD +0.3 |
V |
| Allowable power dissipation |
Pd max |
LC7455A |
300 |
mW |
| LC7455M |
150 | |||
| Operating temperature |
Topr |
-30to+70 |
°C | |
| Storage temperature |
Tstg |
-55to+150 |
°C |
VDD1 and VDD2 must be at the same potential.
LC7455A Features
• Low power dissipation achieved by fabrication in a CMOS process.
• Stable caption signal extraction achieved by a built-in peak hold circuit and the use of digital technology.
• Operating supply voltage: 5 V ±10%
• Package LC7455A: 16-pin DIP
LC7455M: 18-pin MFP
• Stable caption signal extraction achieved by a built-in peak hold circuit and the use of digital technology.
• Operating supply voltage: 5 V ±10%
• Package LC7455A: 16-pin DIP
LC7455M: 18-pin MFP
LC7455A Connection Diagram
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