參數(shù)資料
型號(hào): TVP3026-220
廠商: Texas Instruments, Inc.
英文描述: Video Interface PALETTE Exract(組合像素模式視頻接口調(diào)色器)
中文描述: 視頻接口調(diào)色板Exract(組合像素模式視頻接口調(diào)色器)
文件頁數(shù): 64/107頁
文件大?。?/td> 707K
代理商: TVP3026-220
3–4
3.5 Timing Requirements (see Note 5 and Figures 3-1 and 3-2)
TVP3026
-135
TVP3026
-175
TVP3026
-220
TVP3026
-250
UNIT
MIN
MAX
135
MIN
MAX
175
MIN
MAX
220
MIN
MAX
250
DOTCLK frequency
MHz
Pixel clock PLL
Internal
frequency
135
175
220
250
MHz
PCLKOUT
frequency
110
110
110
110
MHz
MCLK PLL frequency
VCO frequency, pixel clock PLL,
MCLK PLL, and loop clock PLL
100
100
100
100
MHz
110
220
110
220
110
220
110
250
MHz
CLK0 frequency for VGA mode 2
85
85
85
85
MHz
tcyc
Clock cycle time
TTL
7.4
7.1
7.1
7.1
ns
ECL
7.4
5.7
4.5
4
td4
Delay time, RCLK to LCLK
(see Note 6)
0.5
0.5
0.5
0.5
RCLK
periods
tsu1
Setup time, RS(3–0) valid before RD
or WR
Hold time, RS(3–0) valid after RD or
WR
Setup time, D(7–0)valid before WR
Hold time, D(7–0)valid after WR
Setup time, VGA(7–0) and VGAHS,
VGAVS, and VGABL valid before
CLK0
Hold time, VGA(7–0) and VGAHS,
VGAVS, and VGABL valid after
CLK0
Setup time, P(63–0), and PSEL
valid before LCLK
Hold time, P(63–0), and PSEL valid
after LCLK
Setup time, SYSHS, SYSVS, and
OVS valid before LCLK
Hold time, SYSHS, SYSVS, and
OVS valid after LCLK
NOTES:
5. TTL input signals are 0 to 3 V with less than 3 ns rise/fall time between the 10% and 90% levels unless
otherwise specified. ECL input signals are VDD–1.8 V to VDD–0.8 V with less than 2 ns rise/fall time
between the 20% and 80% levels. For input and output signals, timing reference points are at the 10% and
90% signal levels. Analog output loads are less than 10 pF. D7–D0 output loads are less than 50 pF. All
other output loads are less than 50 pF unless otherwise specified.
6. This parameter only applies when SCLK is used as the VRAM shift clock. When SCLK is not used, the delay
may be as much as is required by system logic (assuming the loop clock PLL compensates for the system
delay).
10
10
10
10
ns
th1
10
10
10
10
ns
tsu2
th2
35
0
35
0
35
0
35
0
ns
ns
tsu3
2
2
2
2
ns
th3
2
2
2
2
ns
tsu4
2
2
2
2
ns
th4
1
1
1
1
ns
tsu5
2
2
2
2
ns
th5
1
1
1
1
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP3026-220AMDN 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette
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TVP3026-220MDN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)