PI3012A Datasheet, PDF (5/7 Pages) AMI SEMICONDUCTOR – 300DPI CIS Sensor Chip

operation if the duty cycle is less than 25 %. On the other hand, since the clock can operate with
a 50% duty cycle the operator has additional timing flexibility if it desired.
Switching Characteristics @ 25 ^o C.
to
tw
CP
tprh
tdh
SP
terdl
tefdl
tds
Vout
EOS
(END OF SCAN)
tdl
ts/h
Figure 3. Timing Diagram of the PI3012 A Sensor
Item
Clock cycle time
Clock pulse width ⁽¹⁾
Clock duty cycle
Data setup time
Data hold time
Prohibit crossing time ⁽²⁾
EOS rise delay
EOS fall delay
Signal delay time⁽³⁾
Signal settling time ⁽³⁾
Symbol
to
tw
tds
tdh
tprh
terdl
tefdl
tdl
ts/h
Minimum
200
50
25
50
20
Mean
50
20
60
70
20
90
Maximum
10000
75
Units
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
PAGE 5 OF 7 PI3012A, 6/9/99