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DP8428 Datasheet(PDF) 20 Page - National Semiconductor (TI) |
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DP8428 Datasheet(HTML) 20 Page - National Semiconductor (TI) |
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20 / 26 page  Absolute Maximum Ratings (Note 1) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage VCC 70V Storage Temperature Range b 65 Cto a150 C Input Voltage 55V Output Current 150 mA Lead Temp (Soldering 10 seconds) 300 C Operating Conditions Min Max Units VCC Supply Voltage 450 550 V TA Ambient Temperature 0 a 70 C Electrical Characteristics VCC e 50V g10% 0 C s TA s 70 C unless otherwise noted (Note 2) Symbol Parameter Conditions Min Typ Max Units VC Input Clamp Voltage VCC e Min IC eb 12 mA b 08 b 12 V IIH Input High Current for all Inputs VIN e 25V 20 100 m A II RSI Output Load Current for RFIO VIN e 05V Output high b 07 b 15 mA IIL1 Input Low Current for all Inputs VIN e 05V b 002 b 025 mA IIL2 ADS RC CS M2 RASIN VIN e 05V b 005 b 05 mA VIL Input Low Threshold 08 V VIH Input High Threshold 20 V VOL1 Output Low Voltage IOL e 20 mA 03 05 V VOL2 Output Low Voltage for RFIO IOL e 8 mA 03 05 V VOH1 Output High Voltage IOH eb 1 mA 24 35 V VOH2 Output High Voltage for RFIO IOH eb 100 mA 24 35 V I1D Output High Drive Current VOUT e 08V (Note 3) b 50 b 200 mA I0D Output Low Drive Current VOUT e 24V (Note 3) 50 200 mA ICC Supply Current VCC e Max 150 240 mA Except RFIO Except RFIO ADS RC CS M2 RASIN Switching Characteristics DP8428 and DP8429 VCC e 50V g 10% 0 C s TA s 70 C unless otherwise noted (Notes 2 4 5) the output load capacitance is typical for 4 banks of 22 DRAMs each or 88 DRAMs including trace capacitance These values are Q0-Q9 CL e 500 pF RAS0–RAS3 CL e 150 pF WE CL e 500 pF CAS CL e 600 pF RL e 500X unless otherwise noted See Figure 11 for test load Maximum propagation delays are specified with all outputs switching Preliminary Symbol Access Parameter Condition CL All CL e 50 pF Units Min Max Min Max tRICL0 RASIN to CAS Low Delay Figure 6 57 97 42 85 ns (RAHS e 0) DP8428-8029-80 tRICL0 RASIN to CAS Low Delay Figure 6 57 87 42 75 ns (RAHS e 0) DP8428-7029-70 tRICL1 RASIN to CAS Low Delay Figure 6 48 80 35 68 ns (RAHS e 1) DP8428-8029-80 tRICL1 RASIN to CAS Low Delay Figure 6 48 70 35 58 ns (RAHS e 1) DP8428-7029-70 tRICH RASIN to CAS High Delay Figure 6 37 ns tRCDL0 RAS to CAS Low Delay Figure 6 43 80 ns (RAHS e 0) DP8428-8029-80 tRCDL0 RAS to CAS Low Delay Figure 6 43 72 ns (RAHS e 0) DP8428-7029-70 20 |
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