Datenblatt-Suchmaschine für elektronische Bauteile |
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TP0C51BH Datenblatt(PDF) 9 Page - Intel Corporation |
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TP0C51BH Datenblatt(HTML) 9 Page - Intel Corporation |
9 / 16 page AUTOMOTIVE 80C31BH80C51BH87C51 NOTES (Continued) 4 Pins of Ports 1 2 and 3 source a transition current when they are being externally driven from 1 to 0 The transition current reaches its maximum value when VIN is approximately 2V 5 ICCMAX at other frequencies is given by Active Mode 87C51 ICCMAX e 094 c FREQ a 1371 80Cx1BH ICCMAX e 147 c FREQ a 236 Idle Mode ICCMAX e 014 c FREQ a 381 where FREQ is the external oscillator frequency in MHz ICCMAX is given in mA See Figure 6 6 See Figures 7 through 10 for ICC test conditions Minimum VCC for Power Down is 20V 7 Under steady state (non-transient) conditions IOL must be externally limited as follows Maximum IOL per port pin 10 mA Maximum IOL per 8-bit port Port 0 26 mA Ports 1 2 and 3 15 mA Maximum total IOL for all output pins 71 mA If IOL exceeds the test condition VOL may exceed the related specification Pins are not guaranteed to sink current greater than the listed test conditions 270419 – 7 Figure 6 ICC vs FREQ Valid only within frequency specifications of the device under test 270419 – 8 Figure 7 ICC Test Condition Active Mode All other pins are disconnected 270419 – 10 Figure 8 ICC Test Condition Idle Mode All other pins are disconnected 270419 – 11 Figure 9 ICC Test Condition Power Down Mode All other pins are disconnected 270419 – 9 Figure 10 Clock Signal Waveform for ICC tests in Active and Idle Modes TCLCH e TCHCL e 5 ns 9 |
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