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TMS27PC512-15FME Datasheet(PDF) 7 Page - Texas Instruments |
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TMS27PC512-15FME Datasheet(HTML) 7 Page - Texas Instruments |
7 / 13 page TMS27C512 65536 BY 8-BIT UV ERASABLE TMS27PC512 65536 BY 8-BIT PROGRAMMABLE READ-ONLY MEMORIES SMLS512G – NOVEMBER 1985 – REVISED SEPTEMBER 1997 7 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 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 G /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 TMS27C512-_ _JL TMS27PC512-_ _FML 0 70 °C TA Operating free-air temperature TMS27C512-_ _JE TMS27PC512-_ _FME –40 85 °C NOTE 2: VCC must be applied before or at the same time as G /VPP and removed after or at the same time as G /VPP. The device must not be inserted into or removed from the board when VPP or VCC is applied. electrical characteristics over recommended ranges of supply voltage and operating free-air temperature 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 V to 5.5 V ±1 µA IO Output current (leakage) VO = 0 V to VCC ±1 µA IPP G /VPP supply current (during program pulse) G /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 ICC2 VCC supply current (active) VCC = 5.5 V, E = VIL, tcycle = minimum cycle time, outputs open 15 30 mA † 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 V, f = 1 MHz 6 10 pF CO Output capacitance VO = 0 V, f = 1 MHz 10 14 pF CG / VPP G /VPP input capacitance G /VPP = 0 V, f = 1 MHz 20 25 pF † Capacitance measurements are made on a sample basis only. ‡ Typical values are at TA = 25°C and nominal voltages. |
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