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87LPC762 Datasheet(PDF) 49 Page - NXP Semiconductors |
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87LPC762 Datasheet(HTML) 49 Page - NXP Semiconductors |
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49 / 57 page  Philips Semiconductors Preliminary data 87LPC762 Low power, low price, low pin count (20 pin) microcontroller with 2 kbyte OTP 2001 Oct 26 46 DC ELECTRICAL CHARACTERISTICS VDD = 2.7 V to 6.0 V unless otherwise specified; Tamb = 0°C to +70°C or –40°C to +85°C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS LIMITS UNIT SYMBOL PARAMETER TEST CONDITIONS MIN TYP1 MAX UNIT I Power supply current operating 5.0 V, 20 MHz11 15 25 mA IDD Power supply current, operating 3.0 V, 10 MHz11 4 7 mA I Power supply current Idle mode 5.0 V, 20 MHz11 6 10 mA IID Power supply current, Idle mode 3.0 V, 10 MHz11 2 4 mA I Power supply current Power Down mode 5.0 V11 1 10 µA IPD Power supply current, Power Down mode 3.0 V11 1 5 µA VRAM RAM keep-alive voltage 1.5 V V Input low voltage (TTL input) 4.0 V < VDD < 6.0 V –0.5 0.2 VDD–0.1 V VIL Input low voltage (TTL input) 2.7 V < VDD < 4.0 V –0.5 0.7 V VIL1 Negative going threshold (Schmitt input) –0.5 0.3 VDD V VIH Input high voltage (TTL input) 0.2 VDD+0.9 VDD+0.5 V VIH1 Positive going threshold (Schmitt input) 0.7VDD VDD+0.5 V HYS Hysteresis voltage 0.2 VDD V VOL Output low voltage all ports5, 9 IOL = 3.2 mA, VDD = 2.7 V 0.4 V VOL1 Output low voltage all ports5, 9 IOL = 20 mA, VDD = 2.7 V 1.0 V VO Output high voltage all ports3 IOH = –20 µA, VDD = 2.7 V VDD–0.7 V VOH Output high voltage, all ports3 IOH = –30 µA, VDD = 4.5 V VDD–0.7 V VOH1 Output high voltage, all ports4 IOH = –1.0 mA, VDD = 2.7 V VDD–0.7 V CIO Input/Output pin capacitance10 15 pF IIL Logical 0 input current, all ports8 VIN = 0.4 V –50 µA ILI Input leakage current, all ports7 VIN = VIL or VIH ±2 µA I Logical 1 to 0 transition current all ports3, 6 VIN = 1.5 V at VDD = 3.0 V –30 –250 µA ITL Logical 1 to 0 transition current, all ports3, 6 VIN = 2.0 V at VDD = 5.5 V –150 –650 µA RRST Internal reset pull-up resistor 40 225 k Ω VBOLOW Brownout trip voltage with BOV = 112 2.35 2.69 V VBOHI Brownout trip voltage with BOV = 0 3.45 3.99 V VREF Reference voltage 1.11 1.26 1.41 V tC (VREF) Temperature coefficient tbd ppm/ °C SS Supply sensitivity tbd %/V NOTES: 1. Typical ratings are not guaranteed. The values listed are at room temperature, 5 V. 2. See other Figures for details. Active mode: ICC(MAX) = tbd; Idle mode: ICC(MAX) = tbd 3. Ports in quasi-bidirectional mode with weak pull-up (applies to all port pins with pull-ups). Does not apply to open drain pins. 4. Ports in PUSH-PULL mode. Does not apply to open drain pins. 5. In all output modes except high impedance mode. 6. Port pins source a transition current when used in quasi-bidirectional mode and externally driven from 1 to 0. This current is highest when VIN is approximately 2 V. 7. Measured with port in high impedance mode. 8. Measured with port in quasi-bidirectional mode. 9. Under steady state (non-transient) conditions, IOL must be externally limited as follows: Maximum IOL per port pin: 20 mA Maximum total IOL for all outputs: 80 mA Maximum total IOH for all outputs: 5 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. 10. Pin capacitance is characterized but not tested. 11. The IDD, IID, and IPD specifications are measured using an external clock with the following functions disabled: comparators, brownout detect, and watchdog timer. For VDD = 3 V, LPEP = 1. Refer to the appropriate figures on the following pages for additional current drawn by each of these functions and detailed graphs for other frequency and voltage combinations. 12. Devices initially operating at VDD = 2.7 V or above, and at fOSC = 10 MHz or less, are guaranteed to continue to execute instructions correctly at the brownout trip point. Initial power-on operation below VDD = 2.7 V is not guaranteed. 13. Devices initially operating at VDD = 4.0 V or above and at fOSC = 20 MHz or less are guaranteed to continue to execute instructions correctly at the brownout trip point. Initial power-on operation below VDD = 4.0 V and fOSC > 10 MHz is not guaranteed. |
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