PI214MC-DR Datasheet, PDF (6/8 Pages) AMI SEMICONDUCTOR – 200DPI CIS Two Level Digital Output Module

Clock pulse high duty cycle
Clock pulse high duration
Integration time
Operating temperature
Clock
Tint
Top
25
62.5 ⁽¹⁾
0.440⁽²⁾
25
%
ns
ms
50
0_C
Note:
(1) Clock pulse high is specified at 4.0 MHz at 25% duty.
(2) The Tint is specified with a 4.0 MHz clock frequency. In operation the time
constants in the reference generator is set to match the initial exposure time, hence the
time constant of the reference generator will determine the optimum integration time.
Accordingly it is highly recommended that the parameters be factory adjust for the
specific applications
Switching Characteristics (25°C)
The switching characteristics for the I/O clocks are shown in Figure 4, Module Timing
Diagram. The timing parametric values and their symbols are given in the Table 4.
CP
tprh
SP
to
tdh
tds
Vanalog
Digout
tsh
tddl
tdh
tdl
tdodl
MODULE TIMING DIAGRAM
FIGURE 4.
Table 4. Switching Parameter and Timing Symbol Definition
Clock cycle time
Clock pulse width
Clock duty cycle
Prohibit crossing time
Symbol
to
tw
tprh
Min.
250
62.5
25
15
Typical Max.
50
Units
ns
ns
%
ns
Page 6 of 8 PI214MC-DR, 11/29/99