ASX340AT Datasheet, PDF (57/75 Pages) ON Semiconductor – Color CMOS NTSC/PAL Digital Image

ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor
Modes and Timing
Slew Rate
Table 30:
Slew Rate for PIXCLK and DOUT
f_{EXTCLK = 27 MHz; VDD = 1.8V; VDD_IO = 2.8V; VAA = 2.8V; V_PIX = 2.8V;}
VDD_PLL = 2.8V; VDD_DAC = 2.8V; T = 25°C; CLOAD = 40 pF
PIXCLK
DOUT[7:0]
R0x1E [10:8]
Rise Time
Fall Time
R0x1E [2:0]
Rise Time
Fall Time
Unit
000
NA
NA
000
15.0
13.5
ns
001
NA
NA
001
9.0
8.5
ns
010
7.0
6.9
010
6.8
6.0
ns
011
5.2
5.0
011
5.2
4.8
ns
100
4.0
3.8
100
3.8
3.5
ns
101
3.0
2.8
101
3.3
3.3
ns
110
2.4
2.2
110
3.0
3.0
ns
111
1.9
1.7
111
2.8
2.8
ns
Figure 37: Slew Rate Timing
P IXCLK
t_{r is e}
90%
10%
t_{fa ll}
D OUT
90%
10%
t_{r is e}
t_{fa ll}
ASX340AT/D Rev. H, 8/15 EN
57
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