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AT89C5131A-RDTIM датащи(PDF) 161 Page - ATMEL Corporation |
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AT89C5131A-RDTIM датащи(HTML) 161 Page - ATMEL Corporation |
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161 / 184 page ![]() 161 AT89C5130A/31A-M 4337C–USB–02/05 Notes: 1. Operating I CC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns (see Figure 78.), VIL = V SS + 0.5V, VIH = VCC - 0.5V; XTAL2 N.C.; EA = RST = Port 0 = VCC. ICC would be slightly higher if a crystal oscillator used (see Figure 75.). 2. Idle I CC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns, VIL = VSS + 0.5V, VIH = VCC - 0.5V; XTAL2 N.C; Port 0 = VCC; EA = RST = VSS (see Figure 76). 3. Power-down I CC is measured with all output pins disconnected; EA = VCC, PORT 0 = VCC; XTAL2 NC.; RST = VSS (see Fig- ure 77.). In addition, the WDT must be inactive and the POF flag must be set. 4. Under steady state (non-transient) conditions, I OL must be externally limited as follows: Maximum I OL per port pin: 10 mA Maximum I OL per 8-bit port: Port 0: 26 mA Ports 1, 2 and 3: 15 mA Maximum total I OL for all output pins: 71 mA If I OL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions. Figure 75. I CC Test Condition, Active Mode Figure 76. I CC Test Condition, Idle Mode EA V CC V CC I CC (NC) CLOCK SIGNAL All other pins are disconnected. RST XTAL2 XTAL1 V SS V CC P0 RST EA XTAL2 XTAL1 V SS V CC V CC ICC (NC) P0 VCC All other pins are disconnected. CLOCK SIGNAL V CC |
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