PALCE20V8 데이터 시트보기 (PDF) - Lattice Semiconductor
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PALCE20V8 Datasheet PDF : 27 Pages
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CAPACITANCE 1
Parameter
Symbol
Parameter Description
Test Conditions
Typ Unit
CIN
Input Capacitance
COUT
Output Capacitance
VIN = 2.0 V
VOUT = 2.0 V
VCC = 5.0 V, TA = 25°C,
f = 1 MHz
5
pF
8
pF
Note:
1. These parameters are not 100% tested, but are evaluated at initial characterization and at any time the design is modified where
capacitance may be affected.
SWITCHING CHARACTERISTICS OVER COMMERCIAL OPERATING RANGES 1
Parameter
Symbol
Parameter Description
-5
-7
-10
Min2 Max Min2 Max Min2 Max Unit
tPD
tS
tH
tCO
tSKEWR
tWL
tWH
fMAX
tPZX
tPXZ
tEA
tER
Input or Feedback to Combinatorial Output
Setup Time from Input or Feedback to Clock
Hold Time
Clock to Output
Skew Between Registered Outputs (Note 3)
LOW
Clock Width
HIGH
Maximum
Frequency
(Note 4)
External Feedback
Internal Feedback
(fCNT)
No Feedback
OE to Output Enable
1/(tS+tCO)
1/(tS+tCF) (Note 5)
1/(tWH+tWL)
OE to Output Disable
Input to Output Enable Using Product Term Control
Input to Output Disable Using Product Term Control
1
5
3
0
1
4
1
3
3
142.8
166
166
1
6
1
5
2
6
2
5
3
7.5
3
10
ns
5
7.5
ns
0
0
ns
1
5
3
7.5
ns
1
1
ns
4
6
ns
4
6
ns
100
66.7
MHz
125
71.4
MHz
125
83.3
MHz
1
6
2
10
ns
1
6
2
10
ns
3
9
3
10
ns
3
9
3
10
ns
Notes:
1. See “Switching Test Circuit” for test conditions.
2. Output delay minimums for tPD, tCO, tPZX, tPXZ, tEA, and tER are defined under best case conditions. Future process improvements
may alter these values; therefore, minimum values are recommended for simulation purposes only.
3. Skew testing takes into account pattern and switching direction differences between outputs that have equal loading.
4. These parameters are not 100% tested, but are calculated at initial characterization and at any time the design is modified where
frequency may be affected.
5. tCF is a calculated value and is not guaranteed. tCF can be found using the following equation:
tCF = 1/fMAX (internal feedback) – tS.
PALCE20V8H-5/7/10 (Com’l)
11
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