Datasheet

AD8117/AD8118
Rev. A | Page 6 of 36
TIMING CHARACTERISTICS (PARALLEL MODE)
Specifications subject to change without notice.
Table 4.
Limit
Parameter Symbol Min Typ Max Unit
Parallel Data Setup Time t
1
80 ns
WE Pulse Width
t
2
110 ns
Parallel Data Hold Time t
3
150 ns
WE Pulse Separation
t
4
90 ns
WE to UPDATE Delay
t
5
10 ns
UPDATE Pulse Width
t
6
90 ns
Propagation Delay, UPDATE to Switch On or Off
100 ns
RESET Pulse Width
60 ns
RESET Time
200 ns
t
2
t
4
1
0
WE
1
0
t
1
t
3
1 = LATCHED
0 = TRANSPARENT
UPDATE
t
6
D0 TO D5
A0 TO A4
t
5
06365-003
Figure 3. Timing Diagram, Parallel Mode
Table 5. Logic Levels
V
IH
V
IL
V
OH
V
OL
I
IH
I
IL
I
OH
I
OL
RESET,
SER/PAR, WE,
D0, D1, D2, D3,
D4, D5, A0, A1,
A2, A3, A4,
UPDATE
RESET,
SER/PAR, WE,
D0, D1, D2, D3,
D4, D5, A0, A1,
A2, A3, A4,
UPDATE
DATA OUT DATA OUT
RESET
1
,
SER/PAR, WE,
D0, D1, D2, D3,
D4, D5, A0, A1,
A2, A3, A4,
UPDATE
RESET
1
,
SER/PAR, WE,
D0, D1, D2, D3,
D4, D5, A0, A1,
A2, A3, A4,
UPDATE
DATA OUT DATA OUT
2.0 V min 0.6 V max Disabled Disabled 1 µA max –1 µA min Disabled Disabled
1
See Figure 15.