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TMS27C020-12JL Datasheet(PDF) 7 Page - Texas Instruments |
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TMS27C020-12JL Datasheet(HTML) 7 Page - Texas Instruments |
7 / 15 page TMS27C020 262144 BY 8-BIT UV ERASABLE TMS27PC020 262144 BY 8-BIT PROGRAMMABLE READ-ONLY MEMORIES SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997 7 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC (see Note 1) : – 0.6 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supply voltage range, VPP : – 0.6 V to 14 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range (see Note 1), All inputs except A9 : – 0.6 V to VCC + 1 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . A9 : – 0.6 V to 13.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range, with respect to VSS (see Note 1) : – 0.6 V to VCC + 1 V . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range (’27C020-_ _ JL, ’27PC020_ _FML) : 0 °C to 70°C . . . . . . . . . . . . . . . . . Operating free-air temperature range (’27C020-_ _JE, ’27PC020-_ _FME) : – 40 °C to 85°C . . . . . . . . . . . . . . . Storage temperature range, Tstg : – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to GND. 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 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 + 0.5 V VIH High-level dc input voltage CMOS VCC – 0.2 VCC + 0.5 V VIL Low level dc input voltage TTL – 0.5 0.8 V VIL Low-level dc input voltage CMOS – 0.5 GND + 0.2 V TA Operating free-air temperature ’27C020-_ _JL, ’27PC020-_ _FML 0 70 °C TA Operating free-air temperature ’27C020-_ _JE, ’27PC020-_ _FME – 40 85 °C NOTE 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 MAX UNIT VOH High level dc output voltage IOH = – 20 µA VCC – 0.2 V VOH High-level dc output voltage IOH = – 2 mA 2.4 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 IPP1 VPP supply current VPP = VCC = 5.5 V 10 µA IPP2 VPP supply current (during program pulse) VPP = 13 V 50 mA ICC1 VCC supply current (standby) TTL-input level VCC = 5.5 V, E = VIH . . . 500 µA ICC1 VCC supply current (standby) CMOS-input level VCC = 5.5 V, E = VCC ± 0.2 V 100 µA ICC2 VCC supply current (active) VCC = 5.5 V, E = VIL tcycle = minimum cycle time, outputs open† 30 mA † Minimum cycle time = maximum access time. |
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Similar Description - TMS27C020-12JL |
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