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ISPLSI1016E Datasheet(PDF) 5 Page - Lattice Semiconductor |
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ISPLSI1016E Datasheet(HTML) 5 Page - Lattice Semiconductor |
5 / 12 page 5 Specifications ispLSI 1016E External Timing Parameters Over Recommended Operating Conditions tpd1 UNITS -125 MIN. TEST COND. 1. Unless noted otherwise, all parameters use the GRP, 20 PTXOR path, ORP and Y0 clock. 2. Refer to Timing Model in this data sheet for further details. 3. Standard 16-bit counter using GRP feedback. 4. Reference Switching Test Conditions Section. Table 2-0030-16/125,100, 80 1 4 3 1 tsu2 + tco1 ( ) -100 MIN. MAX. MAX. DESCRIPTION # 2 PARAMETER A1 Data Prop. Delay, 4PT Bypass, ORP Bypass – 7.5 – 10.0 ns tpd2 A2 Data Prop. Delay, Worst Case Path – – ns fmax A3 Clk. Frequency with Int. Feedback 125 – 100 – MHz fmax (Ext.) –4 Clk. Frequency with Ext. Feedback – – MHz fmax (Tog.) –5 Clk. Frequency, Max. Toggle – – MHz tsu1 –6 GLB Reg. Setup Time before Clk., 4 PT Bypass – – ns tco1 A7 GLB Reg. Clk. to Output Delay, ORP Bypass – – ns th1 –8 GLB Reg. Hold Time after Clk., 4 PT Bypass 0.0 – ns tsu2 –9 GLB Reg. Setup Time before Clk. 5.5 – ns tco2 –10 GLB Reg. Clk. to Output Delay – – ns th2 –11 GLB Reg. Hold Time after Clk. 0.0 – ns tr1 A12 Ext. Reset Pin to Output Delay – – ns trw1 –13 Ext. Reset Pulse Duration 5.0 – ns tptoeen B14 Input to Output Enable – – ns tptoedis C15 Input to Output Disable – – ns twh – 18 Ext. Sync. Clk. Pulse Duration, High 3.0 4.0 ns twl –19 Ext. Sync. Clk. Pulse Duration, Low 3.0 4.0 ns tsu3 –20 I/O Reg. Setup Time before Ext. Sync. Clk. (Y2, Y3) 3.0 – – ns th3 –21 I/O Reg. Hold Time after Ext. Sync. Clk. (Y2, Y3) 0.0 – – ns 100 167 5.0 4.5 – – 5.5 – 10.0 – 12.0 12.0 – – 10.0 77.0 125 7.0 0.0 8.0 0.0 6.5 3.5 0.0 13.0 5.0 6.0 13.5 15.0 15.0 – – ( ) 1 twh + tw1 tgoeen B16 Global OE Output Enable – – ns 7.0 9.0 tgoedis C17 Global OE Output Disable – – ns 7.0 9.0 -80 MIN. MAX. – – – – – – – – – – – – – – – – – 15.0 18.5 84.0 57.0 100 8.5 8.0 0.0 9.5 9.5 0.0 17.0 10.0 20.0 20.0 10.5 10.5 5.0 0.0 4.5 5.0 – – – – |
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