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TMS27C128-12NL4 Datasheet(PDF) 8 Page - Texas Instruments |
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TMS27C128-12NL4 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 14 page TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY TMS27PC128 131 072-BIT PROGRAMMABLE READ-ONLY MEMORY SMLS128E–OCTOBER 1984–REVISED JANUARY 1993 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 8 recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage Read mode (see Note 2) 4.5 5 5.5 V VCC Supply voltage SNAP! Pulse programming algorithm 6.25 6.5 6.75 V VPP Supply voltage Read mode VCC – 0.6 VCC + 0.6 V VPP Supply voltage SNAP! Pulse programming algorithm 12.75 13 13.25 V VIH High level dc input voltage TTL 2 VCC +1 V VIH High-level dc input voltage CMOS VCC – 0.2 VCC +1 V VIL Low level dc input voltage TTL – 0.5 0.8 V VIL Low-level dc input voltage CMOS – 0.5 0.2 V TA Operating free-air temperature ’27C128-_ _JL,JL4 ’27PC128_ _NL,NL4 FML, FML4 0 70 °C TA Operating free-air temperature ’27C128-_ _JE,JE4 ’27PC128_ _NE,NE4 FME, FME4 –40 70 °C NOTES: 2. VCC must be applied before or at the same time as VPP and removed after or at the same time as VPP. The device must not be inserted into or removed from the board when VPP or VCC is applied. electrical characteristics over full ranges of operating conditions PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH High level dc output voltage IOH = – 2.5 mA 3.5 V VOH High-level dc output voltage IOH = – 20 µA VCC – 0.1 V VOL Low level dc output voltage IOL = 2.1 mA 0.4 V VOL Low-level dc output voltage IOL = 20 µA 0.1 V II Input current (leakage) VI = 0 to 5.5 V ±1 µA IO Output current (leakage) VO = 0 to VCC ±1 µA IPP1 VPP supply current VPP = VCC = 5.5 V 1 10 µA IPP2 VPP supply current (during program pulse) VPP = 13 V 35 50 mA ICC1 VCC supply current (standby) TTL-input level VCC = 5.5 V, E = VIH 250 500 µA ICC1 VCC supply current (standby) CMOS-input level VCC = 5.5 V, E = VCC 100 250 µA VCC = 5.5 V, E = VIL, ICC2 VCC supply current (active) tcycle = minimum cycle time, 15 30 mA outputs open † Typical values are at TA = 25°C and nominal voltages. capacitance over recommended ranges of supply voltage and operating free-air temperature, f = 1 MHz‡ PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Ci Input capacitance VI = 0, f = 1 MHz 6 10 pF CO Output capacitance VO = 0, f = 1 MHz 10 14 pF † Typical values are at TA = 25°C and nominal voltages. Capacitance measurements are made on sample basis only. |
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