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AM27C256-90EI データシート(PDF) 9 Page - Advanced Micro Devices |
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AM27C256-90EI データシート(HTML) 9 Page - Advanced Micro Devices |
9 / 12 page AMD 2-40 Am27C256 DC CHARACTERISTICS over operating range unless otherwise specified. (Notes 1, 2 and 4) Parameter Symbol Parameter Description Test Conditions Min Max Unit VOH Output HIGH Voltage IOH = –400 µA 2.4 V VOL Output LOW Voltage IOL = 2.1 mA 0.45 V VIH Input HIGH Voltage 2.0 VCC + 0.5 V VIL Input LOW Voltage –0.5 +0.8 V ILI Input Load Current VIN = 0 V to +VCC ILO Output Leakage Current VOUT = 0 V to +VCC ICC1 VCC Active Current CE = VIL, f = 10 MHz, ICC2 VCC TTL Standby Current CE = VIH 1.0 mA ICC3 VCC CMOS Standby Current CE = VCC ± 0.3 V 100 µA IPP1 VPP Current During Read CE = OE = VIL, VPP = VCC 100 µA (Note 3) IOUT = 0 mA C/I Devices E Devices 1.0 5.0 25 µA µA mA 1.0 Notes: 1. VCC must be applied simultaneously or before VPP, and removed simultaneously or after VPP. 2. Caution: The Am27C256 must not be removed from (or inserted into) a socket when VCC or VPP is applied. 3. ICC1 is tested with OE = VIH to simulate open outputs. 4. Minimum DC Input Voltage is –0.5 V. During transitions, the inputs may overshoot to –2.0 V for periods less than 20 ns. Maximum DC Voltage on output pins is VCC + 0.5 V, which may overshoot to VCC + 2.0 V for periods less than 20 ns. –75 –50 –25 0 25 50 75 100 125 150 30 25 20 15 10 Frequency in MHz 08007H-7 123 456789 10 30 25 20 15 10 Temperature in °C Figure 1. Typical Supply Current vs. Frequency VCC = 5.5 V, T = 25 °C Figure 2. Typical Supply Current vs. Temperature VCC = 5.5 V, f = 10 MHz 08007H-6 |
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