TQ8025 Ver la hoja de datos (PDF) - TriQuint Semiconductor
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TQ8025 Datasheet PDF : 10 Pages
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TQ8025
PRELIMINARY DATA SHEET
Table 8. TQ8025 Timing — RAM Loading, Auto-Configure Mode 1
Symbol
Parameter
Min.
T1
LOAD high to READY low
3
T2
CLOCK low to READY high
3
T3
ADDREN low to RADD enabled
3
T4
Setup LOAD high to CLOCK high
4
T5
CLOCK low to RADD increment
2
T6
AD0:15 setup before CLOCK low
0
T7
AD0:15 hold time after CLOCK low
2
T8
CLOCK low to INT CONFIGURE high
2
T9
CONFIGURE low pulse width
10
T10
ADDREN high to RADD tristate
3
T11
LOAD low prior to 3rd CLOCK low
4
T12
LOAD high pulse
TBD
T13
CLOCK low to SIGNAL PATHS updated
4
T14
CLOCK period
20
T15
LOAD high to INT CONFIGURE low
TBD
Notes: 1. LDMODE = 1; AUTOCONFIG = 1, RESET– = 1, CONFIG = 1.
Max.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Figure 2. TQ8025 Timing —␣ RAM Loading, Auto-Configure Mode
CLOCK
LOAD
ADDREN
RADD0:1
READY
AD0:15
INT CONFIGURE
SIGNAL PATHS
T4
T12
T3
0
T1
T6
D0
T15
T14
T11
T5
1
2
T7
D1
D2
OLD CONFIGURATION
3
T2
D3
T8
T13
LDMODE = 1; AUTOCONFIG = 0, RESET– = 1.
Note: INT CONFIGURE is an internal signal shown for clarity of operation.
T10
0
T1
T15
T9
NEW CONFIGURATION
For additional information and latest specifications, see our website: www.triquint.com
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