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參數(shù)資料
| 型號： | MC141627FT |
| 廠商： | MOTOROLA INC |
| 元件分類： | 信號分離 |
| 英文描述： | Military Digital Signal Processor 172-CFP |
| 中文描述： | Y/C SEPARATOR IC, PQFP48 |
| 封裝： | QFP-48 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 236K |
| 代理商： | MC141627FT |
MC141627
6
MOTOROLA
PIN DESCRIPTIONS
Pin
Pin Name
Function
1
PCO
Phase comparator output.
2
OVCC
BIAS
Power supply for VCO.
3
Reference for VCO. Generally connected to GND(D) through an external resistor.
4
FILIN
VCO controlled voltage input. Generally connected to PCO through an external loop filter.
5
GND(DA)
GND for D/A converter.
6
Yout
Luminance signal output.
7
VCC(DA)
Cout
REF(DA)
Power supply for D/A converter.
8
Chrominance signal output.
9
Reference for D/A converter. Generally connected to GND(DA) through a multi–layer ceramic capacitor
(0.1
μ
F).
10
Ibias
Bias circuit current control for A/D, D/A converters. Generally connected to GND(DA) through an external
resistor.
11
GND(AD)
GND for A/D converter.
12
VCC(AD)
RTP
Power supply for A/D converter.
13
Top reference for A/D converter. Supplies top reference voltage internally.
14
RBT
Bottom reference for A/D converter. Supplies bottom reference voltage internally.
15
Vin
CLout
A/D converter input.
16
Voltage output for clamp. Clamps an input signal by connecting with Vin and inputs the video signal by ac
coupling.
17
CLC
Clamp time constant setting pin.
18
NC
No connection.
19
GND(D)
GND for digital circuit.
20
CLK(AD)
CLK input for A/D converter. Available only during digital input comb filter mode and a portion of test
mode. Input level is CMOS level.
21, 22
MODE0, MODE1
Mode inputs. GND level during normal (FSC) mode.
23, 24
TE0, TE1
Test mode inputs. Generally GND level.
25
C7
Vertical enhancer level at normal mode. Generally VCC(D) level.
Vertical enhancer level at normal mode. Generally GND(D) level.
26 – 28
C6 – C4
29
C3
Vertical enhancer level at normal mode. Generally VCC(D) level.
Vertical enhancer level at normal mode. Generally GND(D) level.
30 – 32
C2 – C0
33
D7
Vertical enhancer level at normal mode. Generally VCC(D) level.
Vertical enhancer level at normal mode. Generally GND(D) level.
34 – 36
D6 – D4
37 – 40
D3 – D0
NC pin at normal mode. Generally GND(D) level.
41
Bypass
Non–YC separation processing mode. Generally GND(D) level.
42
VH
Vertical enhancer circuit mode. Generally GND(D) level.
43
GND(D)
GND for digital circuit.
44
VCC(D)
FSC
Power supply for digital circuit.
45
CLK input. ac coupling input by external capacitor. Normal (FSC) mode: Subcarrier. Normal (4xFSC)
mode: 4*Subcarrier.
46
N/M
PAL N/PAL M setting pin. Generally GND level.
47
PAL/NTSC
PAL/NTSC setting pin. Generally GND level (PAL mode).
48
Comb/BPF
Comb/BPF setting pin. Generally GND level (comb filter mode).
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