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TMS55166 Datasheet(PDF) 34 Page - Texas Instruments |
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TMS55166 Datasheet(HTML) 34 Page - Texas Instruments |
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34 / 70 page  TMS55165, TMS55166, TMS55175, TMS55176 262144 BY 16-BIT MULTIPORT VIDEO RAM SMVS463 – DECEMBER 1995 34 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST SAM ’551xx-60 ’551xx-70 UNIT PARAMETER TEST CONDITIONS† PORT MIN MAX MIN MAX UNIT VOH High-level output voltage IOH = – 1 mA 2.4 2.4 V VOL Low-level output voltage IOL = 2 mA 0.4 0.4 V II Input current (leakage) VCC = 5.5 V, VI = 0 V to 5.8 V, All other pins at 0 V to VCC ±10 ±10 µA IO Output current (leakage) VCC = 5.5 V, VO = 0 V to VCC See Note 3 ±10 ±10 µA ICC1 Operating current ‡ See Note 4 Standby 180 165 mA ICC1A Operating current‡ tc(SC) = MIN Active 225 205 mA ICC2 Standby current All clocks = VCC Standby 5 5 mA ICC2A Standby current‡ tc(SC) = MIN Active 70 65 mA ICC3 RAS only refresh current See Note 4 Standby 180 165 mA ICC3A RAS only refresh current‡ tc(SC) = MIN, See Note 4 Active 225 205 mA ICC4 Page mode current‡ tc(P) = MIN, Standby ’551x5 135 115 mA ICC4 Page-mode current‡ c(P) , See Note 5 Standby ’551x6 140 140 mA ICC4A Page mode current ‡ tc(SC) = MIN, Active ’551x5 175 155 mA ICC4A Page-mode current ‡ c(SC) , See Note 5 Active ’551x6 185 185 mA ICC5 CBR current See Note 4 Standby 180 165 mA ICC5A CBR current‡ tc(SC) = MIN, See Note 4 Active 225 205 mA ICC6 Data-transfer current See Note 4 Standby 200 180 mA ICC6A Data-transfer current‡ tc(SC) = MIN Active 250 225 mA † For conditions shown as MIN / MAX, use the appropriate value specified in the timing requirements. ‡ Measured with outputs open NOTES: 3. SE is disabled for SQ output leakage tests. 4. Measured with one address change while RAS = VIL; tc(rd ), tc( W ), tc(TRD) = MIN 5. Measured with one address change while CAS = VIH capacitance over recommended ranges of supply voltage and operating free-air temperature, f = 1 MHz (see Note 6) PARAMETER MIN MAX UNIT Ci(A) Input capacitance, address inputs 6 pF Ci(RC) Input capacitance, address strobe inputs 7 pF Ci(W) Input capacitance, write enable input 7 pF Ci(SC) Input capacitance, serial clock 7 pF Ci(SE) Input capacitance, serial enable 7 pF Ci(DSF) Input capacitance, special function 7 pF Ci(TRG) Input capacitance, transfer register input 7 pF Co(O) Output capacitance, SQ and DQ 7 pF Co(QSF) Output capacitance, QSF 9 pF NOTE 6: VCC = 5 V ± 0.5 V, and the bias on pins under test is 0 V. |
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