參數(shù)資料
型號: DMA2280
英文描述: Consumer IC
中文描述: 消費(fèi)性IC
文件頁數(shù): 14/36頁
文件大小: 496K
代理商: DMA2280
DMA 2271, DMA 2280, DMA 2281
14
Characteristics,
continued
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
Test Conditions
V
HBCKOH
Combined Horizontal Blanking &
Color Key Output High Voltage
50
4.0
V
–I
HBCKO
= 0.1 mA
t
HB2
Horizontal Blanking Output Time
10.5
0
μ
s
t
CK2
Color Key High Z
Output Low Time
2.27
μ
s
t
CK1
Color Key Output Delay Time
after Horizontal Blanking Output
5.5
μ
s
t
HB1
Horizontal Blanking Output
Lead Time before
Chroma Output High
50,
21 to 24,
27 to 30
5.8
18.4
μ
s
V
HVBOL
Combined Horizontal and Verti-
cal Blanking Output Low Voltage
51
0.4
V
I
HVBO
= 6 mA
I
HVBOZ
Combined Horizontal and
Vertical Blanking Output
High–Impedance Current
–10
+10
μ
A
V
HVBO
= 0 to 5 V
V
HVBOH
Combined Horizontal & Vertical
Blanking Output High Voltage
4.0
V
–I
HVBO
= 0.1 mA
t
VB1
Vertical Blanking Output Time
0.64
ms
t
HB2
Horizontal Blanking Output Time
10.5
μ
s
V
HBOL
Horizontal Blanking Output
Low Voltage
52
0.4
V
I
HBO
= 1.6 mA
V
HBOH
Horizontal Blanking Output
High Voltage
2.4
V
–I
HBO
= 0.1 mA
t
HB2
Horizontal Blanking Output
Low Time
12
μ
s
V
CSOL
Composite Sync Output
Low Voltage
53
0.4
V
I
CSO
= 1.6 mA
V
CSOH
Composite Sync Output
High Voltage
2.8
V
–I
CSO
= 0.1 mA
t
CS2
Composite Sync Output
Low Time 1
4.8
μ
s
t
CS3
Composite Sync Output
Low Time 2
2.4
μ
s
t
VB2
Composite Sync Output Delay
Time after Vertical Blanking
Output
51, 53
1.5
μ
s
t
CSOLC
Composite Sync Output Lead
Time before Chroma Output
53,
21 to 24,
27 to 30
4.2
16.8
μ
s
V
PDOL
Packet Data Output Low Voltage
55
0.4
V
I
PDO
= 1.6 mA
V
PDOH
Packet Data Output
High Voltage
2.4
V
–I
PDO
= 0.1 mA
V
TSOL
Teletext Sync Output
Low Voltage
57
0.4
V
I
TSO
= 1.6 mA
V
TSOH
Teletext Sync Output
High Voltage
2.4
V
–I
TSO
= 0.1 mA
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