參數(shù)資料
型號(hào): ADV7152
廠商: Analog Devices, Inc.
英文描述: CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC(三通道,10位視頻RAM-D/A轉(zhuǎn)換器)
中文描述: 220兆赫的CMOS真彩色圖形三路10位顯存,數(shù)模轉(zhuǎn)換器(三通道,10位視頻RAM的的D / A轉(zhuǎn)換器)
文件頁數(shù): 23/32頁
文件大?。?/td> 322K
代理商: ADV7152
ADV7152
–3–
REV. B
TIMING CHARACTERISTICS
1
CLOCK CONTROL AND PIXEL PORT
4
220 MHz
170 MHz
135 MHz
110 MHz
85 MHz
Parameter
Version
Units
Conditions/Comments
fCLOCK
220
170
135
110
85
MHz max Pixel CLOCK Rate
t1
4.55
5.88
7.4
9.1
11.77
ns min
Pixel CLOCK Cycle Time
t2
2
2.5
3
4
ns min
Pixel CLOCK High Time
t3
2
2.5
3.2
4
ns min
Pixel CLOCK Low Time
t4
10
ns max
Pixel CLOCK to LOADOUT Delay
fLOADIN
LOADIN Clocking Rate
1:1 Multiplexing
110
85
MHz max
2:1 Multiplexing
110
85
67.5
55
42.5
MHz max
t5
LOADIN Cycle Time
1:1 Multiplexing
9.1
11.76
ns min
2:1 Multiplexing
9.1
11.76
14.8
18.18
23.53
ns min
t6
LOADIN High Time
1:1 Multiplexing
44444
ns min
2:1 Multiplexing
45689
ns min
t7
LOADIN Low Time
1:1 Multiplexing
44444
ns min
2:1 Multiplexing
45689
ns min
t8
00000
ns min
Pixel Data Setup Time
t9
55555
ns min
Pixel Data Hold Time
t10
00000
ns min
LOADOUT to LOADIN Delay
τ–t
11
5
τ–5
ns max
LOADOUT to LOADIN Delay
tPD
6
Pipeline Delay
1:1 Multiplexing
55555
CLOCKs
(1
× CLOCK = t
1)
2:1 Multiplexing
66666
CLOCKs
t12
10
ns max
Pixel CLOCK to PRGCKOUT Delay
t13
55555
ns max
SCKIN to SCKOUT Delay
t14
55555
ns min
BLANK to SCKIN Setup Time
t15
11111
ns min
BLANK to SCKIN Hold Time
ANALOG OUTPUTS
7
220 MHz 170 MHz 135 MHz 110 MHz 85 MHz
Parameter
Version
Units
Conditions/Comments
t16
15
ns typ
Analog Output Delay
t17
11111
ns typ
Analog Output Rise/Fall Time
t18
15
ns typ
Analog Output Transition Time
tSK
22222
ns max
Analog Output Skew (IOR, IOG, IOB)
00000
ns typ
MPU PORTS
8, 9
220 MHz 170 MHz 135 MHz 110 MHz 85 MHz
Parameter
Version
Units
Conditions/Comments
t19
33333
ns min
R/
W, C0, C1 to CE Setup Time
t20
10
ns min
R/
W, C0, C1 to CE Hold Time
t21
45
ns min
CE Low Time
t22
25
ns min
CE High Time
t23
8
55555
ns min
CE Asserted to Databus Driven
t24
9
45
ns max
CE Asserted to Data Valid
t25
9
20
ns max
CE Disabled to Databus Three-Stated
55555
ns min
t26
20
ns min
Write Data (D0–D9) Setup Time
t27
55555
ns min
Write Data (D0–D9) Hold Time
(VAA
2 = +5 V; V
REF = +1.235 V; RSET = 280
. IOR, IOG, IOB (RL = 37.5
, CL = 10 pF);
IOR, IOG, I0B = GND. All specifications TMIN to TMAX
3 unless otherwise noted.)
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