Datasheet

8
®
VSP3100
TIMING DIAGRAMS (Cont.)
Timing Specifications: V
CC
= +5V supply and normal output mode with the specified temperature range,
unless otherwise noted.
Timing for Serial Port Writing
SYMBOL PARAMETER MIN TYP MAX UNITS
t
W
WRT Pulse Width 30 50 ns
t
WD
Data Valid Time 30 ns
t
SD
Data Ready Time 15 50 ns
t
SCK
Serial Clock Pulse Width 30 50 ns
t
SCKP
Serial Clock Period 60 100 ns
t
SS
Serial Ready Time 100 200 ns
t
SW
WRT Pulse Setup Time 50 ns
P/S
SCLK
A2-A0
A2 A1
Valid
A0 D9 D1 D0
WRT
Register
t
SS
t
SCK
t
SCK
t
SCKP
t
SW
t
W
t
WD
t
SD
• • •
• • •
Timing for A/D Output (Normal Operation Mode)
SYMBOL PARAMETER MIN TYP MAX UNITS
t
OES
A/D Output Enable Setup Time 20 ns
t
OER
Output Enable Time 20 40 ns
t
3E
3-State Enable Time 2 10 ns
t
OEW
OE Pulse Width 100 ns
t
DOD
Data Output Delay 12 ns
t
OEP
Parallel Port Setup Time 10 ns
Timing for A/D Output ( Demultiplexed Operation Mode )
Data n+1
(Hi-Z)(Hi-Z)
Data n+2
(n+2) (n+1) (n)
Data n (14-Bit)
ADCCK
DOUT
OE
P/S
t
DOD
t
DOD
t
DOD
t
OES
t
OEP
t
3E
t
OEW
t
OER
NOTE: It is Inhibit Operation Mode that OE sets “Low” during P/S = “High” period.
n (B0-B5)
(Hi-Z)
(Hi-Z)
NOTE: It is Inhibit Operation Mode that OE sets “Low” during P/S = “High” period.
n+1 (B6-B13)
(n+1)
(n)
(n)
n (B6-B13)
ADCCK
DOUT
OE
P/S
t
DODH
t
DODL
t
DODH
t
OES
t
OEP
t
3E
t
OEW
t
OER
SYMBOL PARAMETER MIN TYP MAX UNITS
t
OES
A/D Output Enable Setup Time 20 ns
t
OER
Output Enable Time 20 40 ns
t
3E
3-State Enable Time 2 10 ns
t
OEW
OE Pulse Width 100 ns
t
DODH
Data Output Delay, High Byte 12 ns
t
DODL
Data Output Delay, Low Byte 12 ns
t
OEP
Parallel Port Setup Time 10 ns
Not Recommended for New Designs