OV7640 Datasheet, PDF (6/20 Pages) List of Unclassifed Manufacturers – OV7640 Color CMOS VGA (640 x 480) CAMERACHIP OV7141 B&W CMOS VGA (640 x 480) CAMERACHIP

OV7640/OV7141 CMOS VGA (640 x 480) CAMERACHIP™
Omni ision
Table 4
Functional and AC Characteristics (0°C < T_A < 70°C)
Symbol
Parameter
Min
Functional Characteristics
A/D
Differential Non-Linearity
A/D
Integral Non-Linearity
AGC Range
Red/Blue Adjustment Range
Inputs (PWDN, CLK, RESET)
f_CLK
Input Clock Frequency
10
t_CLK
Input Clock Period
100
t_CLK:DC
Clock Duty Cycle
45
t_S:RESET
Setting time after software/hardware reset
t_S:REG
Settling time for register change (10 frames required)
SCCB (SIO_C and SIO_D - see Figure 4)
f_{SIO_C}
Clock Frequency
t_LOW
Clock Low Period
1.3
t_HIGH
Clock High Period
600
t_AA
SIO_C low to Data Out valid
100
t_BUF
Bus free time before new START
1.3
t_HD:STA
START condition Hold time
600
t_SU:STA
START condition Setup time
600
t_HD:DAT
Data-in Hold time
0
t_SU:DAT
Data-in Setup time
100
t_SU:STO
STOP condition Setup time
600
t_R, t_F
SCCB Rise/Fall times
t_DH
Data-out Hold time
50
Outputs (VSYNC, HREF, PCLK, and Y[7:0] - see Figure 5, Figure 6, and Figure 7)
t_PDV
PCLK[p] to Data-out Valid
t_SU
Y[7:0] Setup time
15
t_HD
Y[7:0] Hold time
8
t_PHH
PCLK[p] to HREF[n]
0
t_PHL
PCLK[p] to HREF[p]
0
AC
Conditions:
xV_DD:
V_DD-A = V_DD-C = 2.5V, V_DD-IO = 3.3V
xRise/Fall Times: I/O: 5ns, Maximum
SCCB: 300ns, Maximum
xInput Capacitance: 10pf
xOutput Loading: 25pF, 1.2K: to 3V
xf_CLK:
24MHz
6
Proprietary to OmniVision Technologies
Typ
Max
Unit
+ 1/2
LSB
+1
LSB
21
dB
12
dB
24
27
MHz
42
37
ns
50
55
%
1
ms
300
ms
400
KHz
μs
ns
900
ns
μs
ns
ns
μs
ns
ns
300
ns
ns
5
ns
ns
ns
5
ns
5
ns
Version 1.4, March 6, 2003