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X25138ZI2.5 Datasheet(PDF) 9 Page - Xicor Inc. |
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X25138ZI2.5 Datasheet(HTML) 9 Page - Xicor Inc. |
9 / 18 page X25138 9 A.C. OPERATING CHARACTERISTICS Data Input Timing 7037 FRM T12 Data Output Timing 7037 FRM T13 Notes: (4) This parameter is periodically sampled and not 100% tested. (5) tWC is the time from the rising edge of CS after a valid write sequence has been sent to the end of the self-timed internal nonvolatile write cycle Symbol Parameter VCC = 2.5V-5.5V VCC = 4.5V-5.5V Units Min. Max. Min. Max. fSCK Clock Frequency 0 3.3 0 5 MHz tCYC Cycle Time 300 200 ns tLEAD CS Lead Time 150 100 ns tLAG CS Lag Time 150 100 ns tWH Clock HIGH Time 130 80 ns tWL Clock LOW Time 130 80 ns tSU Data Setup Time 30 20 ns tH Data Hold Time 30 20 ns tRI (4) Data In Rise Time 2 2 ms tFI (4) Data In Fall Time 2 2 ms tHD HOLD Setup Time 60 40 ns tCD HOLD Hold Time 60 40 ns tCS CS Deselect Time 100 100 ns tWC (5) Write Cycle Time 10 10 ms Symbol Parameter VCC = 2.5V-5.5V VCC = 4.5V-5.5V Units Min. Max. Min. Max. fSCK Clock Frequency 0 3.3 0 5 MHz tDIS Output Disable Time 150 100 ns tV Output Valid from Clock LOW 130 80 ns tHO Output Hold Time 0 0 ns tRO (4) Output Rise Time 50 50 ns tFO (4) Output Fall Time 50 50 ns tLZ (4) HOLD HIGH to Output in Low Z 50 50 ns tHZ (4) HOLD LOW to Output in High Z 50 50 ns A.C. CONDITIONS OF TEST 7037 FRM T11 Input Pulse Levels VCC x 0.1 to VCC x 0.9 Input Rise and Fall Times 10ns Input and OutputTiming Levels VCC X 0.5 EQUIVALENT A.C. LOAD CIRCUIT OUTPUT 7037 FRM F09 5V 1.44K W 1.95K W 100pF OUTPUT 3V 1.64K W 4.63K W 100pF |
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