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81080V Datasheet, PDF (14/26 Pages) Lattice Semiconductor – 3.3V In-System Programmable SuperBIG™ High Density PLD | |||
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Specifications ispLSI 81080V
External Switching Characteristics1
Over Recommended Operating Conditions
PARA- TEST
METER COND.4
#2
DESCRIPTION
-125
-90
-60
UNITS
MIN. MAX. MIN. MAX. MIN. MAX.
tpd1
A 1 Prop Delay, BFM Input to Same BFM Output, 4 PT Bypass â 8.5 â 10.0 â 15.0 ns
tpd2
A 2 Prop Delay, Global Input to Global Output
â 14.5 â 16.0 â 24.0 ns
fmax
â 3 Clk Frequency, Local Feedback, Same GLB 3
125.0 â 90.0 â 60.0 â MHz
tsuq
â 4 I/O Cell Reg, Data Setup Time, Quadrant I/O Clock
5.0
8.0 â 12.0 â ns
thq
â 5 I/O Cell Reg, Data Hold Time, Quadrant I/O Clock
0.0 â 0.0 â 0.0 â ns
tcoq
A 6 I/O Cell Reg, Quadrant Clock to Output Delay
â 4.0 â 6.0 â 9.0 ns
tsug
â 7 I/O Cell Reg, Data Setup Time, Global Clock
3.5 â 6.0 â 9.0 â ns
thg
â 8 I/O Cell Reg, Data Hold Time, Global Clock
0.0 â 0.0 â 0.0 â ns
tcog
A 9 I/O Cell Reg, Global Clock to Output Delay
â 6.0 â 7.5 â 11.0 ns
tsu1
â 10 GLB Reg Setup, BFM Input to Same BFM GLB, 4 PT Bypass 4.5 â 7.0 â 10.0 â ns
th1
â 11 GLB Reg Hold Time, BFM Input to Same BFM GLB
0.0 â 0.0 â 0.0 â ns
tco1
A 12 GLB Reg, Global Clock to Same BFM Output Delay
â 8.0 â 10.0 â 15.0 ns
tsuceq â 13 I/O Cell Reg, CLKEN Setup Time, Quadrant I/O Clock 5.5 â 6.5 â 9.5 â ns
thceq â 14 I/O Cell Reg, CLKEN Hold Time, Quadrant I/O Clock
0.0 â 0.0 â 0.0 â ns
tsuceg â 15 GLB Reg, CLKEN Setup Time, Global Clock
3.5 â 4.5 â 6.5 â ns
thceg â 16 GLB Reg, CLKEN Hold Time, Global Clock
0.0 â 0.0 â 0.0 â ns
tgoe B/C 17 Global Output Enable/Disable Delay
â 7.0 â 10.0 â 15.0 ns
trglb
â 18 Global Reset/Preset Time, GLB Reg
â 14.0 â 15.0 â 22.0 ns
trio
â 19 Global Reset/Preset Time, I/O Cell Reg
â 8.5 â 10.0 â 15.0 ns
trw
â 20 Global Reset/Preset Pulse Duration
5.0 â 6.5 â 9.5 â ns
twh
â 21 Global or Quadrant Clock Pulse, High Duration
4.0 â 6.0 â 9.0 â ns
twl
â 22 Global or Quadrant Clock Pulse, Low Duration
4.0 â 6.0 â 9.0 â ns
1. Unless noted otherwise, all parameters use PTSA and CLK0.
2. Refer to Timing Model in this data sheet for further details.
3. Standard 20-bit counter with local feedback.
4. Refer to Switching Test Conditions section.
Table 2-0030/81080V
14
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