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參數資料
| 型號： | TMC2601 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 140-370 MHz Output Frequency Digital Video Serial Transmission Encoder （8- or 10-bit Parallel Data Into Serial Format）(140-370 MHz 輸出頻率的數字視頻串行傳輸譯碼器（8位或10位并行數據轉換成串行格式）) |
| 中文描述： | 140-370 MHz輸出頻率串行傳輸數字視頻編碼器（8 -位或10位并行數據到串行格式）（140-370 MHz的輸出頻率的數字視頻串行傳輸譯碼器（8位或10位并行數據轉換成串行格式）） |
| 文件頁數： | 1/12頁 |
| 文件大小： | 53K |
| 代理商： | TMC2601 |
P
PRELIMINARY INFORMATION
describes products that are not in full production at the time of printing. Specifications are based on design goals
and limited characterization. They may change without notice. Contact Fairchild Semiconductor for current information.
www.fairchildsemi.com
Features
0.6
μ
CMOS technology
Single +5 V power supply
44 pin PQFP or PLCC
0.5 W typical power dissipation
140-370 Megabit/s data rate
Complies with the following digital video interface
standards:
– SMPTE 259MBit-Serial 4:2:2 Component (D1)
– SMPTE 125MBit-Parallel 4:2:2 Component (D1)
– SMPTE 244MBit-Parallel 4*f
SC
NTSC Composite
(D2)
Accepts 8- or 10-bit TTL or CMOS-compatible parallel
data
Outputs differential pseudo-ECL serial data and clock
Byte sync on Timing Reference Signal (TRS)
Modulo - 2 division by G(X) = (X
9
+X
4
+1)*(X+1)
scrambler
Phase-locked loop clock synthesizer
Transmitter jitter < 500 ps at 270 Mb/s
Power saving feature on unused clock and data outputs
Applications
Encoder for 140 to 370 Mb/s serial data
Serial transmission interface for:
– Video cameras
– 4:2:2 signals
– 4*
f
sc
PAL
–
4*
f
sc
NTSC
360 Mb/s
270 Mb/s
177 Mb/s
143 Mb/s
Description
The TMC2601 is a CMOS integrated circuit which can serialize
8- or 10-bit parallel data streams, including SMPTE 125M,
CCIR 656, and SMPTE 244M. Fixed functions include parallel-
to-serial conversion and 10-fold clock frequency multiplication.
The user may also enable sync (TRS word) detection, data
scrambling (X
9
+X
4
+1), and conversion of NRZ serial data into
NRZI format (X+1). Using control bis FS
1-0
, the user may
select a nominal operating frequency of 143, 177, 270, or
360MHz.
The TMC2601 provides pseudo-ECL outputs: complemen-
tary for the serial data and serial clock, single-ended for the
regenerated parallel clock. It requires a single 5-volt supply
and consumes less than 1/2 watt while driving 100-ohm
loads.
Block Diagram
65-2601-01
NRZ
TO
NRZI
PLL HIGH SPEED
CLOCK
SYNTHESIZER
SYNC
DETECT
LOCK
DETECT
SERIAL OUTPUT
OUTPUT DISABLE
SCRAM
REF. CLOCK
14 - 37 MHz
RESET
PCKO
DI0-DI9
INPUT
PARALLET TO SERIAL
CONVERTER
10 BIT X 3 WORD
SHIFT REGISTER
PECL
BUFFER
SCRAMBLER
BY-PASS
SCRAMBLER
÷ 10
SCK
SYNC DETECT
SYNC DETECT
DISABLE
SCK DISABLE
PLOCK
VCO CENTER
FREQUENCY
SELECT
POWER ON
RESET
DATA RATE
SELECT (FS1)
OUTPUT
ENABLE
T MC2601
Digital Video S erial Transmission Enc oder 8- or 10-bit
Parallel Data Into S erial Format
140–370 MHz Output Frequenc y
Rev 1.00
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