PT8300_10 Datasheet, PDF (6/19 Pages) Princeton Technology Corp – 16-Bit I/O Expander IC

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16-Bit I/O Expander IC
PT8300
TIMING REQUIRMENTS
(Unless otherwise stated, VCC=5V)
Parameter
CLK, LATCH, /RESET pulse width
DI1/DI2 setup time for CLK
Latch setup time for LK
DI1/DI2 hold time for CLK
LATCH hold time for CLK
LATCH recovery time
Symbol
tw
tSU
tH
tREC
Limits
Ta=25℃, Ta=-40 ~ +85℃
Unit
Min. Typ. Max. Min. Typ. Max.
100 -
- 150 -
-
ns
50
-
- 100 -
-
ns
50
-
- 100 -
-
ns
50
-
- 100 -
-
ns
50
-
- 100 -
-
ns
50
-
- 100 -
-
ns
TIMING DIRGRAM
CL K
LATC H
/R ES E T
DI1 to DI2
CL K
LATC H
CL K
/R ES E T
LATC H
tw
tw
50 % _{50 %}
50 %
50 %
tw
tw
50 % _{50 %}
tw
50 %
50 %
50 %
50 %
50 %
50 %
tSU
tH
50 %
50 %
tSU
50 %
50 %
tH
50 %
tREC
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
PT8300 V1.8
-6-
February, 2006