參數(shù)資料
型號: BT457KG110
英文描述: Video DAC with Color Palette (RAMDAC)
中文描述: 視頻DAC的調(diào)色板(的RAMDAC)
文件頁數(shù): 10/60頁
文件大?。?/td> 647K
代理商: BT457KG110
1.0 Circuit Description
Bt457/Bt458
1.1 Pin Descriptions
125 MHz/135 MHz/165 MHz Monolithic CMOS 256 Color Palette RAMDAC
1-2
Conexant
L45801 Rev. N
Figure 1-2. Bt457/Bt458 84-Pin PGA Package
Pin Bt458 Bt457
A10
A11
B9
IOR
IOG
IOB
IOUT
PLL
N/C
Bt457/458
(TOP VIEW)
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
(BOTTOM VIEW)
Alignment Marker (on top)
12
11
10
9
8
7
6
5
4
3
2
1
COMP GND
VAA
P7D
P7B
P6E
P6C
P6B
P5E
P5C
P5B
P4B
IOB
GND
VAA
P7E
P7C
P7A
P6D
P6A
P5D
P5A
P4C
P4A
IOG FSADJ VREF
P4D
P4B SYNC*
VAA
IOR
BLK*
LD*
C1
R/W
CLK*
CLK
VAA
CO
VAA
VAA
GND
GND
P3E
GND
CE*
D[7]
P3C
P3D
D[6]
D[5]
P3A
P3B
D[4]
D[2]
D[0]
P2A
P2C
P2E
D[3]
D[1]
OL0B OL0E OL1B
OL1E
P0B
P0D
P1A
P1D
P1E
P2D
OL0A OL0C OL0D OL1A OL1C
OL1D
P0A
P0C
P0E
P1B
P1C
P2B
COMP
GND
VAA
P7D
P7B
P6E
P6C
P6B
P5E
P5C
P5B
P4E
IOB
GND
VAA
P7E
P7C
P7A
P6D
P6A
P5D
P5A
P4C
P4A
IOG
P4D
P4B
SYNC*
VAA
IOR
BLK*
LD*
C1
R/W
CLK*
CLK
VAA
CO
VAA
VAA
GND
GND
P3E
GND
CE*
D7
P3C
P3D
D[6]
D[5]
P3A
P3B
D[4]
D[2]
D[0]
P2A
P2C
P2E
D[3]
D[1]
OL0B
OL0E
OL1B
OL1E
P0B
P0D
P1A
P1D
P1E
P2D
OL0A
OL0C
OL0D
OL1A
OL1C
OL1D
P0A
P0C
P0E
P1B
P1C
P2B
VREF FSADJ
457-8_003
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