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COP245C Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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COP245C Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 24 page  AC Electrical Characteristics b55 CsTAs a125 C a45VsVCCs a55V unless otherwise specified Parameter Conditions Min Max Units Instruction Cycle Time (tc) 44 DC m s Operating CKI d 4 mode DC 09 MHz Frequency d 8 mode DC 18 MHz d 16 mode ( DC 36 MHz Duty Cycle (Note 4) f1e36 MHz 40 60 % Rise Time (Note 4) f1e36 MHz External Clock 60 ns Fall Time (Note 4) f1e36 MHz External Clock 40 ns Instruction Cycle Time Re30k g5% RC Oscillator (Note 4) Ce82 pF g5% (d4 Mode) 6 18 m s Inputs (See Figure 3 ) (Note 4) tSETUP G Inputs tc4a08 m s SI Input 033 m s All Others 19 m s tHOLD 04 m s Output Propagation Delay VOUTe15V CLe100 pF RLe5k tPD1 tPD0 14 m s Note 1 Supply current is measured after running for 2000 cycle times with a square-wave clock on CKI CKO open and all other pins pulled up to VCC with 5k resistors See current drain equation on page 13 Note 2 The HALT mode will stop CKI from oscillating in the RC and crystal configurations Test conditions all inputs tied to VCC L lines in TRI-STATE mode and tied to ground all outputs low and tied to ground Note 3 When forcing HALT current is only needed for a short time (approx 200 ns) to flip the HALT flip-flop Note 4 This parameter is not tested but guaranteed by design Variation due to the device included Note 5 Voltage change must be less than 025 volts ina1ms period Note 6 SO output sink current must be limited to keep VOL less than 02 VCC when part is running in order to prevent entering test mode RETS COP244CX DC Parameters Test Conditions 53V s VCC s 3V Unless Otherwise Specified Symbol Parameter (Note 1) VCC Conditions Test SBGRP 1 SBGRP 2 SBGRP 3 Limits (25 C) Drift Units a 25 C a 125 C b 55 C Min Max Min Max Min Max IDD1 Supply Current VDD e 4V 85 155 85 m A FIN e 64 kHz IDD2 Halt Current VDD e 4V 35 125 35 m A Input Voltage Reset CKI VIH1 Logic High 9 VCC 9VCC 9VCC V VIL1 Logic Low 1 VCC 1VCC 1VCC V All Other Inputs VIH2 Logic High 7 VCC 7VCC 7VCC V VIL2 Logic Low 2 VCC 2VCC 2VCC V Output Voltage LSTTL Operation VOH1 Logic High 475V IOH eb100 mA 27 27 27 V VOL1 Logic Low 475V IOL e 400 mA 04 04 04 V CMOS Operation VOH2 Logic High 475V IOH eb10 mAVCC b 02 VCC b 02 VCC b 02 V VOL2 Logic Low 475V IOL e 10 mA 02 02 02 V Output Current IOH Logic High 3V V e 0V b 100 b 100 b 100 m A IOL Logic Low 3V V e 3V 200 200 200 m A Input Leakage IIN1 High-Z b 25 25 b 25 25 b 25 25 m A IIN2 TRI-STATE or b 44 b 44 b 44 m A Open Drain RETS COP244CX DEVICE COP244C-XXX883 FUNCTION 4-BIT CMOS MICROCONTROLLER 3 |
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