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CS86 датащи(PDF) 7 Page - fujitsu semiconductor |
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CS86 датащи(HTML) 7 Page - fujitsu semiconductor |
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7 / 16 page ![]() CS86 Series 7 (b) Current value that one I/O can provide to the core Tj = +125 °C*2 *1 : Maximum current for one I/O includes the supply current to the I/O part and the core part. *2 : The current values change according to the junction temperature. When the junction temperature is not +125°C, multiply the value by the following coefficients. Tj = +111 °C to +125°C : 1.0 Tj = + 91 °C to +110°C : 1.4 Tj = + 90 °C : 2.8 Note : How to calculate the number of required supply pins In case of a frame with 6-layer wiring (2 power supplies) • Maximum current for one VDD/GND pin VDDE = 59 mA/pin calucurated using the value in “(a) Maximum supply pin current for one I/O” VDDI = VSS = 59 mA/pin calucurated using the value in “(b) Current value that one I/O can provide to the core” • Needed supply pin count (internal power supply/external power supply/VSS) : Ni/Ne/Ns DC internal maximum power-supply current : Iimax, DC external maximum power-supply current : Iemax Ni = Iimax/59mA, Ne = Iemax/59mA, Ns = Iimax/59mA + Iemax/59mA WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings. Frame Source type Maximum current (at standard source) (mA) Number of layers YH VDDI, VDD, VSS 34 4 VDDI, VDD, VSS 34 5 VDDI, VDD, VSS 59 6 |
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